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       # AMERICAN MEGATRENDS, INC.
       
          SUPER VOYAGER VLB
       
          Processor         80486SX/80487SX/80486DX/ODP486SX/80486DX2    
          Processor Speed   20/25/33/50(internal)/50/66(internal)        
          Chip Set          AMI                                          
          Max. Onboard DRAM 64MB                                         
          Cache             64/256KB                                     
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       Bus mouse port, floppy drive interface, IDE  
                            interface                                    
                                                                         
                            parallel port, serial port (2), 32-bit VESA  
                            card slot (2)                                
          NPU Options       None                                         
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J1    | Speaker          |   J33    |
          |-------------------+----------+------------------+----------|
          | Serial port 2     |    J2    | Power LED &      |   J34    |
          |                   |          | keylock          |          |
          |-------------------+----------+------------------+----------|
          | Serial port 1     |    J3    | Turbo switch     |   J35    |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |    J4    | Reset switch     |   J39    |
          |-------------------+----------+------------------+----------|
          | Mouse port        |    J5    | Parallel port    |    P3    |
          |-------------------+----------+------------------+----------|
          | IDE interface     |    J7    | Floppy drive     |    P4    |
          |                   |          | interface        |          |
          |-------------------+----------+------------------+----------|
          | Cache module      |   J13    | 32-bit VESA card |    S1    |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   J32    | 32-bit VESA card |    S2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Serial port 2 (J2) select |      J10      | pins 1 & 2 |
          |   | IRQ3                      |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Serial port 2 (J2) select |      J10      | pins 2 & 3 |
          |   | IRQ4                      |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Serial port 1 (J3) select |      J11      | pins 1 & 2 |
          |   | IRQ4                      |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Serial port 1 (J3) select |      J11      | pins 2 & 3 |
          |   | IRQ3                      |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Mouse port (J5) enabled   |      J12      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Mouse port (J5) disabled  |      J12      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      J18      |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      J20      |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      J21      |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | CMOS memory normal        |      J22      | pins 2 & 3 |
          |   | operation                 |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | CMOS memory clear         |      J22      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Local bus speed select    |      J40      | pins 1 & 2 |
          |   | <=33MHz                   |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Local bus speed select >  |      J40      | pins 2 & 3 |
          |   | 33MH                      |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   | SW2/Switch 1  |    open    |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select       | SW2/Switch 2  |    open    |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select color | SW2/Switch 2  |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 256K x  | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (1) 1M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 256K x  | (1) 256K x  |  (1) 1M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 256K x  | (1) 256K x  |  (1) 1M x  |  (1) 1M x  |
          |      |     36      |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 12MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 16MB | (1) 4M x 36 |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 256K x  | (1) 256K x  |  (1) 4M x  |    NONE    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 1M x 36 | (1) 1M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    NONE    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU CONFIGURATION                      |
          |------------------------------------------------------------|
          |   CPU    |    Speed    |     J16     |   J17    |   J27    |
          |----------+-------------+-------------+----------+----------|
          | 80486DX2 |  25/33MHz   | pins 1 & 2  | pins 1 & | pins 1 & |
          |          |             |   closed    |  2 and   | 2 closed |
          |          |             |             |          |          |
          |          |             |             |  3 & 4   |          |
          |          |             |             |  closed  |          |
          |----------+-------------+-------------+----------+----------|
          | ODP486SX |  25/33MHz   | pins 2 & 3  | pins 1 & | pins 1 & |
          |          |             |   closed    |  2 and   | 2 closed |
          |          |             |             |          |          |
          |          |             |             |  3 & 4   |          |
          |          |             |             |  closed  |          |
          |----------+-------------+-------------+----------+----------|
          | 80486DX  | 25/33/50MHz | pins 1 & 2  | pins 1 & | pins 1 & |
          |          |             |   closed    |  2 and   | 2 closed |
          |          |             |             |          |          |
          |          |             |             |  3 & 4   |          |
          |          |             |             |  closed  |          |
          |----------+-------------+-------------+----------+----------|
          | 80487SX  |  25/33MHz   | pins 2 & 3  | pins 1 & | pins 1 & |
          |          |             |   closed    |  2 and   | 2 closed |
          |          |             |             |          |          |
          |          |             |             |  3 & 4   |          |
          |          |             |             |  closed  |          |
          |----------+-------------+-------------+----------+----------|
          | 80486SX  |  20/25MHz   | pins 1 & 2  | pins 2 & | pins 2 & |
          |          |             |   closed    | 3 closed | 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Cache  | Cacheable | Location |   SW1/Switch 1-4   |
          |       | Module |  Memory   |          |                    |
          |-------+--------+-----------+----------+--------------------|
          | 64KB  | Series |   16MB    |   J13    | all switches open  |
          |       |  691   |  maximum  |          |                    |
          |-------+--------+-----------+----------+--------------------|
          | 256KB | Series |   64MB    |   J13    |    all switches    |
          |       |  691   |  maximum  |          |       closed       |
          +------------------------------------------------------------+