(TXT) View Source
       
       # ASUS COMPUTER INTERNATIONAL
       
          ISA-486
       
          Processor         80486SX/80487SX/80486DX                      
          Processor Speed   16/20/25/33/50MHz                            
          Chip Set          SIS                                          
          Max. Onboard DRAM 64MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        330mm x 218mm                                
          I/O Options       32-bit memory card                           
          NPU Options       4167                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Reset switch |   CN1    | Keylock & power LED   |   CN5    |
          |--------------+----------+-----------------------+----------|
          | Turbo switch |   CN2    | External battery      |   CN6    |
          |--------------+----------+-----------------------+----------|
          | Turbo LED    |   CN3    | 32-bit memory         |    S1    |
          |              |          | expansion slot        |          |
          |--------------+----------+-----------------------+----------|
          | Speaker      |   CN4    |                       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Power good signal detect from    |  JP1   | pins 1 & 2 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |  JP1   | pins 2 & 3 |
          |   | board                            |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          CPU TYPE                          |
          |------------------------------------------------------------|
          |  Type   | SW1/1  | SW1/2  | SW1/3  | SW1/4 | SW1/5 | SW1/6 |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80487SX |  Off   |   On   |   On   |  On   |  Off  |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80486SX |  Off   |  Off   |  Off   |  Off  |  On   |  On   |
          |---------+--------+--------+--------+-------+-------+-------|
          | 80486DX |   On   |   On   |   On   |  Off  |  Off  |  Off  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CLOCK SPEED SELECT                     |
          |------------------------------------------------------------|
          |   Speed    |          JP2          |          JP3          |
          |------------+-----------------------+-----------------------|
          |   16MHz    |   pins 2 & 3 closed   |   pins 2 & 3 closed   |
          |------------+-----------------------+-----------------------|
          |   20MHz    |   pins 2 & 3 closed   |   pins 2 & 3 closed   |
          |------------+-----------------------+-----------------------|
          |   25MHz    |   pins 2 & 3 closed   |   pins 1 & 2 closed   |
          |------------+-----------------------+-----------------------|
          |   33MHz    |   pins 2 & 3 closed   |   pins 1 & 2 closed   |
          |------------+-----------------------+-----------------------|
          |   50MHz    |   pins 1 & 2 closed   |   pins 1 & 2 closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      128KB       |    (4) 32K x 8     |        NONE        |
          |------------------+--------------------+--------------------|
          |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CACHE RESISTOR CONFIGURATION                |
          |------------------------------------------------------------|
          |    Size    |      CJ1      |      CJ2      |      CJ3      |
          |------------+---------------+---------------+---------------|
          |    64KB    |   Installed   | Not installed | Not installed |
          |------------+---------------+---------------+---------------|
          |   128KB    | Not installed |   Installed   | Not installed |
          |------------+---------------+---------------+---------------|
          |   256KB    | Not installed | Not installed |   Installed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (4) 256K x  | (4) 256K x  | (4) 1M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 10MB | (4) 256K x  | (4) 256K x  | (4) 1M x 9 | (4) 1M x 9 |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 4M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 18MB | (4) 256K x  | (4) 256K x  | (4) 4M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 256K x  | (4) 4M x 9  |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 48MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 64MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          +------------------------------------------------------------+
       
 (IMG) IMG 2