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       # ACER, INC.
       
          AP43
       
       Processor  AM486SX/80486SX/SL80486SX/CX486DX/AM846DX/80486DX/               
                  SL80486DX/CX486DX2/CX486DX2(M7P/O)/TI486DX2/AM486DX2/            
                  (SL)AM486DX2/80486DX2/SL80486DX2/CX486DX4(M7P/O)/                
                  CX486DX4(DX4P/O)/AM486DX4(V8T)/AM486DX4S(SV8T)/                  
                  AM486DX4S(SV8B)/80486DX4(WT)/80486DX4(WB)/P24D/P24T/ CX5X86      
       Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz 
       Speed      
       Chip Set   SIS                                                              
       Video Chip None                                                             
       Set        
       Maximum    128MB                                                            
       Onboard    
       Memory     
       Maximum    None                                                             
       Video      
       Memory     
       Cache      128/256/512KB                                                    
       BIOS       AMI                                                              
       Dimensions 250mm x 220mm                                                    
       I/O        32-bit PCI slots (3), floppy drive interface, green PC           
       Options    connector, IDE interfaces (2), parallel port, serial ports (2)   
       NPU        None                                                             
       Options    
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose           | Location  |
          |-----------------+----------+-------------------+-----------|
          | Serial port 2   |   CN1    | Speaker           | J7 pins 7 |
          |                 |          |                   |   - 10    |
          |-----------------+----------+-------------------+-----------|
          | Serial port 1   |   CN2    | Turbo/green PC    |  J7 pins  |
          |                 |          | LED               |  12 & 13  |
          |-----------------+----------+-------------------+-----------|
          | Chassis fan     |   CN3    | Turbo switch      |  J7 pins  |
          | power           |          |                   |  15 - 17  |
          |-----------------+----------+-------------------+-----------|
          | Chassis fan     |   CN4    | Reset switch      |  J7 pins  |
          | power           |          |                   |  19 & 20  |
          |-----------------+----------+-------------------+-----------|
          | Floppy drive    |   CN5    | External battery  |    J8     |
          | interface       |          |                   |           |
          |-----------------+----------+-------------------+-----------|
          | Parallel port   |   CN6    | Green PC          |   JP30    |
          |                 |          | connector         |           |
          |-----------------+----------+-------------------+-----------|
          | IDE interface 2 |   CN7    | IDE interface LED |   JP31    |
          |-----------------+----------+-------------------+-----------|
          | IDE interface 1 |   CN8    | 32-bit PCI slots  | PC1 - PC3 |
          |-----------------+----------+-------------------+-----------|
          | Power LED &     | J7 pins  |                   |           |
          | keylock         |  1 - 5   |                   |           |
          |------------------------------------------------------------|
          | Note: If connector for J7 is 12-pin, connect red wire to   |
          | pin 11.                                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP11  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP12  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | On board I/O enabled            | JP21  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | On board I/O disabled           | JP21  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS voltage select 12v   | JP24  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS voltage select 5v    | JP24  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | CMOS memory normal operation    | JP28  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | CMOS memory clear               | JP28  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (1) 256K x  |    None     |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (1) 512K x  |    None     |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (1) 256K x  | (1) 256K x  |    None    |    None    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (1) 512K x  | (1) 256K x  |    None    |    None    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (1) 256K x  | (1) 256K x  | (1) 256K x |    None    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (1) 256K x  | (1) 512K x  |    None    |    None    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 512K x  | (1) 256K x  | (1) 256K x |    None    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 512K x  | (1) 512K x  |    None    |    None    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 256K x  | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (1) 1M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (1) 512K x  | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (1) 256K x  | (1) 512K x  | (1) 512K x |    None    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (1) 256K x  | (1) 1M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 1M x 36 | (1) 256K x  | (1) 256K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 1M x 36 | (1) 512K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 512K x  | (1) 512K x  | (1) 512K x |    None    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 512K x  | (1) 1M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 7MB  | (1) 1M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 7MB  | (1) 256K x  | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 2M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 512K x  | (1) 512K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 512K x  | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (1) 2M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (1) 256K x  | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (1) 256K x  | (1) 2M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 2M x 36 | (1) 256K x  | (1) 256K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 2M x 36 | (1) 512K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 1M x 36 | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 512K x  | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 512K x  | (1) 2M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 11MB | (1) 2M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 2M x 36 | (1) 512K x  | (1) 512K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 2M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 13MB | (1) 256K x  | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 14MB | (1) 2M x 36 | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 14MB | (1) 512K x  | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 2M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 2M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 17MB | (1) 4M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 17MB | (1) 256K x  | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 17MB | (1) 256K x  | (1) 4M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 4M x 36 | (1) 256K x  | (1) 256K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 4M x 36 | (1) 512K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 512K x  | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 512K x  | (1) 4M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 19MB | (1) 4M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 4M x 36 | (1) 512K x  | (1) 512K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 4M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 2M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 22MB | (1) 4M x 36 | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 25MB | (1) 256K x  | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 26MB | (1) 512K x  | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 1M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 8M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 2M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 33MB | (1) 8M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 33MB | (1) 256K x  | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 33MB | (1) 256K x  | (1) 8M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 8M x 36 | (1) 256K x  | (1) 256K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 8M x 36 | (1) 512K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 512K x  | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 512K x  | (1) 8M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 35MB | (1) 8M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 8M x 36 | (1) 512K x  | (1) 512K x |    None    |
          |      |             |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 8M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 38MB | (1) 8M x 36 | (1) 512K x  | (1) 512K x | (1) 512K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 8M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 8M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 4M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 44MB | (1) 8M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 8M x 36 | (1) 2M x 36 |  (1) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 8M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 49MB | (1) 256K x  | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 50MB | (1) 512K x  | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 52MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 56MB | (1) 8M x 36 | (1) 2M x 36 |  (1) 2M x  |  (1) 2M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 56MB | (1) 2M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 8M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 8M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB |  (1) 16M x  |    None     |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 65MB | (1) 256K x  | (1) 8M x 36 |  (1) 8M x  |    None    |
          |      |     36      |             |     36     |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |  Size  |    Bank 0    |   Bank 1   |   Bank 2   |  Bank 3  |
          |--------+--------------+------------+------------+----------|
          |  65MB  | (1) 16M x 36 | (1) 256K x |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          |  66MB  | (1) 16M x 36 | (1) 256K x | (1) 256K x |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  66MB  | (1) 16M x 36 | (1) 512K x |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          |  67MB  | (1) 16M x 36 | (1) 256K x | (1) 256K x | (1) 256K |
          |        |              |     36     |     36     |   x 36   |
          |--------+--------------+------------+------------+----------|
          |  68MB  | (1) 16M x 36 | (1) 512K x | (1) 512K x |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  68MB  | (1) 16M x 36 |  (1) 1M x  |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          |  68MB  | (1) 1M x 36  |  (1) 8M x  |  (1) 8M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  70MB  | (1) 16M x 36 | (1) 512K x | (1) 512K x | (1) 512K |
          |        |              |     36     |     36     |   x 36   |
          |--------+--------------+------------+------------+----------|
          |  72MB  | (1) 16M x 36 |  (1) 2M x  |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          |  72MB  | (1) 2M x 36  |  (1) 8M x  |  (1) 8M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  76MB  | (1) 16M x 36 |  (1) 1M x  |  (1) 1M x  | (1) 1M x |
          |        |              |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          |  80MB  | (1) 16M x 36 |  (1) 2M x  |  (1) 2M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  80MB  | (1) 4M x 36  |  (1) 8M x  |  (1) 8M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  88MB  | (1) 16M x 36 |  (1) 2M x  |  (1) 2M x  | (1) 2M x |
          |        |              |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          |  96MB  | (1) 16M x 36 |  (1) 4M x  |  (1) 4M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  96MB  | (1) 16M x 36 |  (1) 8M x  |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          |  96MB  | (1) 8M x 36  |  (1) 8M x  |  (1) 8M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          |  97MB  |  (1) 256K x  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |      36      |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          |  98MB  |  (1) 512K x  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |      36      |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          | 100MB  | (1) 1M x 36  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |              |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          | 104MB  | (1) 2M x 36  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |              |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          | 112MB  | (1) 4M x 36  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |              |     36     |     36     |    36    |
          |--------+--------------+------------+------------+----------|
          | 128MB  | (1) 16M x 36 |  (1) 8M x  |  (1) 8M x  |   None   |
          |        |              |     36     |     36     |          |
          |--------+--------------+------------+------------+----------|
          | 128MB  | (1) 16M x 36 | (1) 16M x  |    None    |   None   |
          |        |              |     36     |            |          |
          |--------+--------------+------------+------------+----------|
          | 128MB  | (1) 8M x 36  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
          |        |              |     36     |     36     |    36    |
          |------------------------------------------------------------|
          | Note: Board also accepts x 32 SIMMs. The location of the   |
          | banks is unidentified.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |   Bank 1    |       TAG       |
          |------------+---------------+-------------+-----------------|
          |   128KB    |  (4) 32K x 8  |    None     | (1) 16K/32K x 8 |
          |------------+---------------+-------------+-----------------|
          | 256KB (A)  |  (4) 32K x 8  | (4) 32K x 8 | (1) 16K/32K x 8 |
          |------------+---------------+-------------+-----------------|
          | 256KB (B)  |  (4) 64K x 8  |    None     | (1) 16K/32K x 8 |
          |------------+---------------+-------------+-----------------|
          | 512KB (A)  |  (4) 64K x 8  | (4) 64K x 8 |   (1) 32K x 8   |
          |------------+---------------+-------------+-----------------|
          | 512KB (B)  | (4) 128K x 8  |    None     |   (1) 32K x 8   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |     JP1      |  JP2   |  JP3   |  JP4  |  JP5  |
          |-----------+--------------+--------+--------+-------+-------|
          |   128KB   | 1 & 2, 3 & 4 | 1 & 2  | 2 & 3  | 1 & 2 | 1 & 2 |
          |-----------+--------------+--------+--------+-------+-------|
          | 256KB (A) | 2 & 3, 4 & 5 | 2 & 3  | 2 & 3  | 1 & 2 | 2 & 3 |
          |-----------+--------------+--------+--------+-------+-------|
          | 256KB (B) | 1 & 2, 3 & 4 | 1 & 2  | 1 & 2  | 1 & 2 | 2 & 3 |
          |-----------+--------------+--------+--------+-------+-------|
          | 512KB (A) | 2 & 3, 4 & 5 | 2 & 3  | 2 & 3  | 2 & 3 | 2 & 3 |
          |-----------+--------------+--------+--------+-------+-------|
          | 512KB (B) | 1 & 2, 3 & 4 | 1 & 2  | 2 & 3  | 2 & 3 | 2 & 3 |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CPU SPEED SELECTION                     |
          |------------------------------------------------------------|
          |  Speed  |      JP25      |      JP26      |      JP27      |
          |---------+----------------+----------------+----------------|
          |  25MHz  |   Pins 2 & 3   |   Pins 2 & 3   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          |  33MHz  |   Pins 1 & 2   |   Pins 1 & 2   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          |  40MHz  |   Pins 1 & 2   |   Pins 2 & 3   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 50iMHz  |   Pins 2 & 3   |   Pins 2 & 3   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 66iMHz  |   Pins 1 & 2   |   Pins 1 & 2   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 75iMHz  |   Pins 2 & 3   |   Pins 2 & 3   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          |---------+----------------+----------------+----------------|
          | 100iMHz |   Pins 1 & 2   |   Pins 1 & 2   |   Pins 1 & 2   |
          |         |     closed     |     closed     |     closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU TYPE SELECTION                     |
          |------------------------------------------------------------|
          |     Type     |    JP6    |    JP7    |   JP8    |   JP9    |
          |--------------+-----------+-----------+----------+----------|
          |   AM486SX    |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   80486SX    |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |  SL80486SX   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   CX486DX    |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   AM486DX    |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   80486DX    |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |  SL80486DX   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   CX486DX2   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          | CX486DX2 (M7 |   Open    | Pins 2 &  |   Open   |   Open   |
          |     P/O)     |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   TI486DX2   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   AM486DX2   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |     (SL)     |   Open    | Pins 2 &  |   Open   | Pins 2 & |
          |   AM486DX2   |           | 3 closed  |          | 3 closed |
          |--------------+-----------+-----------+----------+----------|
          |   80486DX2   |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |  SL80486DX2  |   Open    | Pins 2 &  |   Open   |   Open   |
          |              |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          | CX486DX4 (M7 |   Open    | Pins 2 &  |   Open   |   Open   |
          |     P/O)     |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   CX486DX4   |   Open    | Pins 2 &  | Pins 1 & | Pins 1 & |
          |  (iDX4P/O)   |           | 3 closed  | 2 closed | 2 closed |
          |--------------+-----------+-----------+----------+----------|
          |   AM486DX4   |   Open    | Pins 2 &  |   Open   |   Open   |
          |    (V8T)     |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |  AM486DX4S   |   Open    | Pins 2 &  |   Open   |   Open   |
          |    (SV8T)    |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |  AM486DX4S   |   Open    | Pins 1 &  | Pins 1 & | Pins 1 & |
          |    (SV8B)    |           | 2 closed  | 2 closed | 2 closed |
          |--------------+-----------+-----------+----------+----------|
          |   80486DX4   |   Open    | Pins 2 &  |   Open   |   Open   |
          |     (WT)     |           | 3 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |   80486DX4   |   Open    | Pins 1 &  | Pins 1 & | Pins 1 & |
          |     (WB)     |           | 2 closed  | 2 closed | 2 closed |
          |--------------+-----------+-----------+----------+----------|
          |     P24D     |   Open    | Pins 1 &  |  1 & 2   |  1 & 2   |
          |              |           | 2 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |     P24T     | Pins 1 &  | Pins 1 &  |   Open   |   Open   |
          |              | 2 closed  | 2 closed  |          |          |
          |--------------+-----------+-----------+----------+----------|
          |    CX5X86    |   Open    | Pins 2 &  | Pins 1 & | Pins 1 & |
          |              |           | 3 closed  | 2 closed | 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU TYPE SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |      Type       | JP10  | JP13  | JP14  |   JP15   | JP16  |
          |-----------------+-------+-------+-------+----------+-------|
          |     AM486SX     | Open  | Open  | Open  |  2 & 3   | Open  |
          |-----------------+-------+-------+-------+----------+-------|
          |     80486SX     | Open  | Open  | Open  |  2 & 3   | Open  |
          |-----------------+-------+-------+-------+----------+-------|
          |    SL80486SX    | 1 & 2 | Open  | 2 & 3 |  2 & 3   | Open  |
          |-----------------+-------+-------+-------+----------+-------|
          |     CX486DX     | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |     AM486DX     | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |     80486DX     | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    SL80486DX    | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    CX486DX2     | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |  CX486DX2 (M7   | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2, 3 | 3 & 4 |
          |      P/O)       |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    TI486DX2     | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    AM486DX2     | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |  (SL) AM486DX2  | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    80486DX2     | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |   SL80486DX2    | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |  CX486DX4 (M7   | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2, 3 | 3 & 4 |
          |      P/O)       |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    CX486DX4     | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |    (iDX4P/O)    |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          | AM486DX4 (V8T)  | Open  | Open  | Open  | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    AM486DX4S    | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |     (SV8T)      |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |    AM486DX4S    | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |     (SV8B)      |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |  80486DX4 (WT)  | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |  80486DX4 (WB)  | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |      P24D       | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |      P24T       | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 2 & 3 |
          |                 |       |       |       |   & 4    |       |
          |-----------------+-------+-------+-------+----------+-------|
          |     CX5X86      | 1 & 2 | Open  | 2 & 3 | 1 & 2, 3 | 3 & 4 |
          |                 |       |       |       |   & 4    |       |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU TYPE SELECTION (CON’T)                 |
          |------------------------------------------------------------|
          |      Type       |   JP17   | JP18  | JP19  | JP20  | JP29  |
          |-----------------+----------+-------+-------+-------+-------|
          |     AM486SX     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |     80486SX     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |    SL80486SX    |  3 & 4   | Open  | 1 & 2 | 4 & 5 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |     CX486DX     |  2 & 3   | 2 & 3 | Open  | 2 & 3 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |     AM486DX     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |     80486DX     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |    SL80486DX    |  3 & 4   | Open  | 1 & 2 | 4 & 5 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |    CX486DX2     |  2 & 3   | 2 & 3 | Open  | 2 & 3 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |  CX486DX2 (M7   |  2 & 3   | 2 & 3 | Open  | 2 & 3 | 1 & 2 |
          |      P/O)       |          |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |    TI486DX2     |  2 & 3   | 2 & 3 | Open  | 2 & 3 | 1 & 2 |
          |-----------------+----------+-------+-------+-------+-------|
          |    AM486DX2     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |  (SL) AM486DX2  |   Open   | Open  | Open  | Open  | 1 & 2 |
          |-----------------+----------+-------+-------+-------+-------|
          |    80486DX2     |   Open   | Open  | Open  | Open  | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |   SL80486DX2    |  3 & 4   | Open  | 1 & 2 | 4 & 5 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |  CX486DX4 (M7   |  2 & 3   | 2 & 3 | Open  | 2 & 3 | 1 & 2 |
          |      P/O)       |          |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |    CX486DX4     | 1 & 2, 3 | 1 & 2 | 2 & 3 | 4 & 5 | 1 & 2 |
          |    (iDX4P/O)    |   & 4    |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          | AM486DX4 (V8T)  |   Open   | Open  | Open  | Open  | 1 & 2 |
          |-----------------+----------+-------+-------+-------+-------|
          |    AM486DX4S    |  3 & 4   | Open  | 1 & 2 | 4 & 5 | 1 & 2 |
          |     (SV8T)      |          |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |    AM486DX4S    | 1 & 2, 3 | 1 & 2 | 2 & 3 | 4 & 5 | 1 & 2 |
          |     (SV8B)      |   & 4    |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |  80486DX4 (WT)  |  3 & 4   | Open  | 1 & 2 | 4 & 5 | 1 & 2 |
          |-----------------+----------+-------+-------+-------+-------|
          |  80486DX4 (WB)  | 1 & 2, 3 | 1 & 2 | 2 & 3 | 4 & 5 | 1 & 2 |
          |                 |   & 4    |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |      P24D       | 1 & 2, 3 | 1 & 2 | 2 & 3 | 4 & 5 | 2 & 3 |
          |                 |   & 4    |       |       |       |       |
          |-----------------+----------+-------+-------+-------+-------|
          |      P24T       |  3 & 4   | 1 & 2 | Open  | 1 & 2 | 2 & 3 |
          |-----------------+----------+-------+-------+-------+-------|
          |     CX5X86      | 1 & 2, 3 | 1 & 2 | 2 & 3 | 4 & 5 | 1 & 2 |
          |                 |   & 4    |       |       |       |       |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   DMA CHANNEL SELECTION                    |
          |------------------------------------------------------------|
          |     Channel      |        JP22        |        JP23        |
          |------------------+--------------------+--------------------|
          |        1         | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |        3         | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          +------------------------------------------------------------+