CHICONY, INC.
=============

   CH-471B

Processor  CX486S/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/SL80486DX/80486DX/CX486DX2/AM486DX2/SL80486DX2/80486DX2/80486DX4/P24D/ 
           Pentium Overdrive                                                                                                          
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz                                                        
Speed      
Chip Set   SIS                                                                                                                        
Max.       128MB                                                                                                                      
Onboard    
DRAM       
Cache      32/64/128/256/512/1024KB                                                                                                   
BIOS       Award                                                                                                                      
Dimensions 330mm x 218mm                                                                                                              
I/O        32-bit VESA local bus slots (2), floppy drive interface, game port, green PC connector, IDE interfaces (2), parallel port, 
Options    serial ports (2)                                                                                                           
NPU        None                                                                                                                       
Options    

<gopher://bitreich.org/I/th99/m/C-D/32543-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Green PC          |    J1    | Reset switch     |   J13    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |    J4    | Turbo switch     |   J14    |
   | interface         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |    J5    | Turbo LED        |   J15    |
   |-------------------+----------+------------------+----------|
   | IDE interface     |    J6    | Speaker          |   J16    |
   | (VESA)            |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |    J7    | Green PC         |   J17    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Game interface    |    J8    | Power LED &      |   J18    |
   |                   |          | keylock          |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |    J9    | Green PC         |   J19    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   J10    | Voltage          |    P4    |
   | (ISA)             |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | External battery  |   J11    | 32-bit VESA      |  SL1 &   |
   |                   |          | local bus slots  |   SL2    |
   |-------------------+----------+------------------+----------|
   | IDE interface LED |   J12    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CMOS memory normal operation     |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Floppy drive interface enabled   |  JP6   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive interface disabled  |  JP6   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled (ISA)      |  JP7   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled (ISA)     |  JP7   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Game port enabled                |  JP10  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Game port disabled               |  JP10  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Floppy drive address range       |  JP11  | pins 2 & 3 |
   |   | select 3F0 to 3F7                |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Floppy drive address range       |  JP11  | pins 1 & 2 |
   |   | select 370 to 377                |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | ISA IDE address range select 170 |  JP12  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | ISA IDE address range select 1F0 |  JP12  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | ISA IDE IRQ select IRQ15         |  JP32  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | ISA IDE IRQ select IRQ14         |  JP32  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Parallel port IRQ select IRQ7    |  JP30  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Parallel port IRQ select IRQ5    |  JP30  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | IDE interface enabled (VESA)     |  JP38  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | IDE interface disabled (VESA)    |  JP38  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP44  |    N/A     |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |    Bank 0    |    Bank 1    |    Bank 2    | Bank 3 |
   |------+--------------+--------------+--------------+--------|
   | 1MB  |  (1) 256K x  |     NONE     |     NONE     |  NONE  |
   |      |      36      |              |              |        |
   |------+--------------+--------------+--------------+--------|
   | 2MB  |  (1) 256K x  |  (1) 256K x  |     NONE     |  NONE  |
   |      |      36      |      36      |              |        |
   |------+--------------+--------------+--------------+--------|
   | 2MB  |  (1) 512K x  |     NONE     |     NONE     |  NONE  |
   |      |      36      |              |              |        |
   |------+--------------+--------------+--------------+--------|
   | 4MB  |  (1) 256K x  |  (1) 256K x  |  (1) 512K x  |  NONE  |
   |      |      36      |      36      |      36      |        |
   |------+--------------+--------------+--------------+--------|
   | 4MB  |  (1) 512K x  |  (1) 512K x  |     NONE     |  NONE  |
   |      |      36      |      36      |              |        |
   |------+--------------+--------------+--------------+--------|
   | 4MB  | (1) 1M x 36  |     NONE     |     NONE     |  NONE  |
   |------+--------------+--------------+--------------+--------|
   | 5MB  |  (1) 256K x  | (1) 1M x 36  |     NONE     |  NONE  |
   |      |      36      |              |              |        |
   |------+--------------+--------------+--------------+--------|
   | 6MB  |  (1) 256K x  |  (1) 256K x  | (1) 1M x 36  |  NONE  |
   |      |      36      |      36      |              |        |
   |------+--------------+--------------+--------------+--------|
   | 6MB  |  (1) 512K x  | (1) 1M x 36  |     NONE     |  NONE  |
   |      |      36      |              |              |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   | Size  |    Bank 0     |   Bank 1   |   Bank 2   |  Bank 3  |
   |-------+---------------+------------+------------+----------|
   |  8MB  | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   |  8MB  | (1) 512K x 36 | (1) 512K x |  (1) 1M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   |  8MB  |  (1) 1M x 36  |  (1) 1M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   |  8MB  |  (1) 2M x 36  |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 10MB  | (1) 256K x 36 | (1) 256K x |  (1) 1M x  | (1) 1M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 12MB  | (1) 512K x 36 | (1) 512K x |  (1) 1M x  | (1) 1M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 12MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 1M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 18MB  | (1) 256K x 36 | (1) 256K x |  (1) 4M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 16MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 1M x  | (1) 1M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 16MB  |  (1) 2M x 36  |  (1) 2M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 16MB  |  (1) 4M x 36  |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 17MB  | (1) 256K x 36 |  (1) 4M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 18MB  | (1) 512K x 36 |  (1) 4M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 20MB  | (1) 512K x 36 | (1) 512K x |  (1) 4M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 20MB  |  (1) 1M x 36  |  (1) 4M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 24MB  | (1) 512K x 36 | (1) 512K x |  (1) 1M x  | (1) 4M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 24MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 4M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 24MB  |  (1) 2M x 36  |  (1) 2M x  |  (1) 2M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 32MB  |  (1) 4M x 36  |  (1) 4M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 32MB  |  (1) 2M x 36  |  (1) 2M x  |  (1) 2M x  | (1) 2M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 32MB  |  (1) 8M x 36  |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 36MB  | (1) 512K x 36 | (1) 512K x |  (1) 4M x  | (1) 4M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 36MB  |  (1) 1M x 36  |  (1) 4M x  |  (1) 4M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 36MB  |  (1) 1M x 36  |  (1) 8M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 40MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 4M x  | (1) 4M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 40MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 8M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 48MB  |  (1) 4M x 36  |  (1) 4M x  |  (1) 4M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 48MB  |  (1) 4M x 36  |  (1) 8M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 64MB  |  (1) 4M x 36  |  (1) 4M x  |  (1) 4M x  | (1) 4M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 64MB  |  (1) 4M x 36  |  (1) 4M x  |  (1) 8M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 64MB  | (1) 16M x 36  |    NONE    |    NONE    |   NONE   |
   |-------+---------------+------------+------------+----------|
   | 64MB  |  (1) 8M x 36  |  (1) 8M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 65MB  | (1) 256K x 36 | (1) 16M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 68MB  |  (1) 1M x 36  | (1) 16M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 68MB  |  (1) 1M x 36  |  (1) 8M x  |  (1) 8M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 72MB  |  (1) 1M x 36  |  (1) 1M x  |  (1) 8M x  | (1) 8M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 72MB  |  (1) 1M x 36  |  (1) 1M x  | (1) 16M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 80MB  |  (1) 4M x 36  | (1) 16M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   |-------+---------------+------------+------------+----------|
   | 80MB  |  (1) 4M x 36  |  (1) 8M x  |  (1) 8M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 96MB  |  (1) 4M x 36  |  (1) 4M x  |  (1) 8M x  | (1) 8M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 96MB  |  (1) 8M x 36  |  (1) 8M x  |  (1) 8M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 96MB  |  (1) 4M x 36  |  (1) 4M x  | (1) 16M x  |   NONE   |
   |       |               |     36     |     36     |          |
   |-------+---------------+------------+------------+----------|
   | 128MB |  (1) 8M x 36  |  (1) 8M x  |  (1) 8M x  | (1) 8M x |
   |       |               |     36     |     36     |    36    |
   |-------+---------------+------------+------------+----------|
   | 128MB | (1) 16M x 36  | (1) 16M x  |    NONE    |   NONE   |
   |       |               |     36     |            |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    32KB    |  (4) 8K x 8   |     NONE      |  (1) 2K x 8   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 4K x 8   |
   |------------+---------------+---------------+---------------|
   |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 16K x 8  |
   |------------+---------------+---------------+---------------|
   |   512KB    | (4) 128K x 8  |     NONE      |  (1) 32K x 8  |
   |------------+---------------+---------------+---------------|
   |    1MB     | (4) 128K x 8  | (4) 128K x 8  |  (1) 64K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size | JP21 | JP22 | JP23 | JP24 | JP25 | JP26 |JP27 |JP28 |
   |------+------+------+------+------+------+------+-----+-----|
   | 32KB |1 & 2 |1 & 2 |1 & 2 |1 & 2 |2 & 3 |2 & 3 |2 & 3|2 & 3|
   |------+------+------+------+------+------+------+-----+-----|
   | 64KB |2 & 3 |1 & 2 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3|1 & 2|
   |------+------+------+------+------+------+------+-----+-----|
   |128KB |1 & 2 |2 & 3 |1 & 2 |1 & 2 |2 & 3 |2 & 3 |1 & 2|1 & 2|
   |------+------+------+------+------+------+------+-----+-----|
   |256KB |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3 |1 & 2 |1 & 2|1 & 2|
   |------+------+------+------+------+------+------+-----+-----|
   |512KB |1 & 2 |2 & 3 |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|
   |------+------+------+------+------+------+------+-----+-----|
   | 1MB  |2 & 3 |2 & 3 |2 & 3 |2 & 3 |1 & 2 |1 & 2 |1 & 2|1 & 2|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |    Type    |          JP39          | JP42 | JP45  | JP46  |
   |------------+------------------------+------+-------+-------|
   |   CX486S   | 7 & 8, 9 & 10, 11 & 12 | Open | Open  | Open  |
   |------------+------------------------+------+-------+-------|
   |  80486SX   |          Open          | Open | 2 & 3 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   | SL80486SX  | 7 & 8, 9 & 10, 11 & 12 | Open | 1 & 2 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   | SL80486SX2 | 7 & 8, 9 & 10, 11 & 12 | Open | 1 & 2 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |  CX486DX   | 7 & 8, 9 & 10, 11 & 12 | Open | Open  | Open  |
   |------------+------------------------+------+-------+-------|
   |  AM486DX   |          Open          | Open | 2 & 3 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   | SL80486DX  | 7 & 8, 9 & 10, 11 & 12 | Open | 1 & 2 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |  80486DX   |          Open          | Open | 2 & 3 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |  CX486DX2  | 7 & 8, 9 & 10, 11 & 12 | Open | Open  | Open  |
   |------------+------------------------+------+-------+-------|
   |  AM486DX2  |          Open          | Open | 2 & 3 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   | SL80486DX2 | 7 & 8, 9 & 10, 11 & 12 | Open | 1 & 2 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |  80486DX2  |          Open          | Open | 2 & 3 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |  80486DX4  | 7 & 8, 9 & 10, 11 & 12 | Open | 1 & 2 | 2 & 3 |
   |------------+------------------------+------+-------+-------|
   |    P24D    | 7 & 8, 9 & 10, 11 & 12 | Open | Open  | Open  |
   |------------+------------------------+------+-------+-------|
   |    P24T    | 7 & 8, 9 & 10, 11 & 12 | Open | Open  | Open  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU TYPE CONFIGURATION (CON'T)               |
   |------------------------------------------------------------|
   |    Type    |  JP47   |  JP48   |  JP49  |  JP53   |  JP54  |
   |------------+---------+---------+--------+---------+--------|
   |   CX486S   |  Open   |  Open   |  Open  | Closed  | 2 & 3  |
   |------------+---------+---------+--------+---------+--------|
   |  80486SX   |  2 & 3  |  2 & 3  | 2 & 3  |  Open   | 2 & 3  |
   |------------+---------+---------+--------+---------+--------|
   | SL80486SX  |  2 & 3  |  2 & 3  | 2 & 3  | Closed  | 2 & 3  |
   |------------+---------+---------+--------+---------+--------|
   | SL80486SX2 |  2 & 3  |  2 & 3  | 2 & 3  | Closed  | 2 & 3  |
   |------------+---------+---------+--------+---------+--------|
   |  CX486DX   |  Open   |  Open   |  Open  | Closed  | 2 & 3  |
   |------------+---------+---------+--------+---------+--------|
   |  AM486DX   |  2 & 3  |  2 & 3  | 2 & 3  |  Open   | 2 & 3  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU TYPE CONFIGURATION (CON'T)               |
   |------------------------------------------------------------|
   |    Type     |  JP47   |  JP48   |  JP49   |  JP53  | JP54  |
   |-------------+---------+---------+---------+--------+-------|
   |  SL80486DX  |  2 & 3  |  2 & 3  |  2 & 3  | Closed | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |   80486DX   |  2 & 3  |  2 & 3  |  2 & 3  |  Open  | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |  CX486DX2   |  Open   |  Open   |  Open   | Closed | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |  AM486DX2   |  2 & 3  |  2 & 3  |  2 & 3  |  Open  | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   | SL80486DX2  |  2 & 3  |  2 & 3  |  2 & 3  | Closed | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |  80486DX2   |  2 & 3  |  2 & 3  |  2 & 3  |  Open  | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |  80486DX4   |  2 & 3  |  2 & 3  |  2 & 3  | Closed | 1 & 2 |
   |-------------+---------+---------+---------+--------+-------|
   |    P24D     |  Open   |  Open   |  Open   | Closed | 2 & 3 |
   |-------------+---------+---------+---------+--------+-------|
   |    P24T     |  Open   |  Open   |  Open   | Closed | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Type       |        JP19        |        JP20        |
   |------------------+--------------------+--------------------|
   |    Intel/AMD     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |      Cyrix       | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   | Intel P24D/P24T  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Type       |       JP40        |    JP41    |  JP55  |
   |------------------+-------------------+------------+--------|
   |     80487SX      | pins 1 & 2, 3 & 4 | pins 2 & 3 |  Open  |
   |                  |      closed       |   closed   |        |
   |------------------+-------------------+------------+--------|
   |    80486SX/CX    | pins 2 & 3 closed |    Open    |  Open  |
   |    M6/UMC U5S    |                   |            |        |
   |------------------+-------------------+------------+--------|
   |      CX M7       | pins 1 & 2, 3 & 4 | pins 1 & 2 | Closed |
   |                  |      closed       |   closed   |        |
   |------------------+-------------------+------------+--------|
   | Intel/AMD/Cyrix  | pins 1 & 2, 3 & 4 | pins 1 & 2 |  Open  |
   |                  |      closed       |   closed   |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Speed        |       JP36        |       JP37        |
   |--------------------+-------------------+-------------------|
   |       25MHz        |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |       33MHz        |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |       40MHz        |       Open        |      Closed       |
   |--------------------+-------------------+-------------------|
   |       50MHz        |      Closed       |       Open        |
   |--------------------+-------------------+-------------------|
   |       50iMHz       |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |       66iMHz       |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |       75iMHz       |       Open        |       Open        |
   |--------------------+-------------------+-------------------|
   |      100iMHz       |      Closed       |      Closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           Speed            |             JP50              |
   |----------------------------+-------------------------------|
   |             2x             |       pins 2 & 3 closed       |
   |----------------------------+-------------------------------|
   |            2.5x            |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |             3x             |             Open              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CPU VOLTAGE CONFIGURATION                  |
   |------------------------------------------------------------|
   |         Voltage          |               P3                |
   |--------------------------+---------------------------------|
   |           3.3v           | pins 1 & 2, 4 & 5, 6 & 7 closed |
   |--------------------------+---------------------------------|
   |            5v            | pins 2 & 3, 5 & 6, 8 & 9 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               VESA WAIT STATE CONFIGURATION                |
   |------------------------------------------------------------|
   |          Wait states          |            JP52            |
   |-------------------------------+----------------------------|
   |         0 wait states         |            Open            |
   |-------------------------------+----------------------------|
   |         1 wait state          |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  BUS SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |           CPU speed           |            JP51            |
   |-------------------------------+----------------------------|
   |           <= 33MHz            |            Open            |
   |-------------------------------+----------------------------|
   |            > 33MHz            |           Closed           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 PARLLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address      |        JP8         |        JP9         |
   |------------------+--------------------+--------------------|
   |       378        | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       278        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       3BC        | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address      |        JP2         |        JP3         |
   |------------------+--------------------+--------------------|
   |       3F8        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       2F8        | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       3E8        | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address      |        JP4         |        JP5         |
   |------------------+--------------------+--------------------|
   |       2F8        | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       3F8        | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       3E8        | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               SERIAL PORT IRQ CONFIGURATION                |
   |------------------------------------------------------------|
   |      COM1      |      COM2      |           JP29           |
   |----------------+----------------+--------------------------|
   |      IRQ3      |      IRQ4      | pins 1 & 2, 3 & 4 closed |
   |----------------+----------------+--------------------------|
   |      IRQ4      |      IRQ3      | pins 1 & 3, 2 & 4 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              FLOPPY DRIVE MEDIA CONFIGURATION              |
   |------------------------------------------------------------|
   |      Setting      |        JP17        |       JP18        |
   |-------------------+--------------------+-------------------|
   | All floppy types  | pins 1 & 2 closed  | pins 1 & 2 closed |
   |-------------------+--------------------+-------------------|
   |    2.88MB only    | pins 2 & 3 closed  | pins 2 & 3 closed |
   +------------------------------------------------------------+