(TXT) View Source
       
       # ISA/EISA, INC.
       
          NIC-ware-486
       
          Processor             80486DX                                  
          Processor Speed       25/33MHz                                 
          Chip Set              None                                     
          Max. Onboard DRAM     64MB                                     
          Cache                 64/128/256/512KB                         
          BIOS                  AMI                                      
          Dimensions            349mm x 244mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J1    | Turbo switch     |   JP2    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J3    | Turbo LED        |   JP21   |
          |-------------------+----------+------------------+----------|
          | External battery  |    J4    | POST LEDs        |  L1-L8   |
          |                   |          | (L1=MSB, L8=LSB) |          |
          |-------------------+----------+------------------+----------|
          | Reset switch      |   JP1    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function           | Jumper  |     Position      |
          |------------------------------+---------+-------------------|
          | » | External cache enabled   |  JP20   | pins 2 & 3 closed |
          |---+--------------------------+---------+-------------------|
          |   | External cache disabled  |  JP20   | pins 1 & 2 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (4) 256K x  | (4) 256K x  | (4) 256K x |    NONE    |
          |      |      9      |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 256K x |
          |      |      9      |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (4) 1M x 9  | (4) 256K x  |    NONE    |    NONE    |
          |      |             |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (4) 1M x 9  | (4) 256K x  | (4) 256K x |    NONE    |
          |      |             |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 7MB  | (4) 1M x 9  | (4) 256K x  | (4) 256K x | (4) 256K x |
          |      |             |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (4) 1M x 9  | (4) 1M x 9  | (4) 256K x |    NONE    |
          |      |             |             |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (4) 1M x 9  | (4) 1M x 9  | (4) 256K x | (4) 256K x |
          |      |             |             |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 13MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 256K x |
          |      |             |             |            |     9      |
          |------+-------------+-------------+------------+------------|
          | 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    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 4M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 4M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 4M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 48MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 64MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Size            |              J23              |
          |----------------------------+-------------------------------|
          |            1MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            2MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            3MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            4MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            4MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            5MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            6MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            7MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            8MB             |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            9MB             |       pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             DRAM JUMPER CONFIGURATION (CON’T)              |
          |------------------------------------------------------------|
          |            Size            |              J23              |
          |----------------------------+-------------------------------|
          |            10MB            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            12MB            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            13MB            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |            16MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            16MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            20MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            24MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            28MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            32MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            36MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            40MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            48MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            52MB            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |            64MB            |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (8) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (8) 8K x 8   |  (8) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (8) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   512KB    |  (8) 32K x 8  |  (8) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |Size |JP6 |JP7 |JP8 |JP9 |JP10 |JP11 |JP12 |JP13 |JP14 |JP15|
          |-----+----+----+----+----+-----+-----+-----+-----+-----+----|
          |64KB |2 & |2 & |2 & |2 & |2 & 3|2 & 3|2 & 3|2 & 3|2 & 3|2 & |
          |     | 3  | 3  | 3  | 3  |     |     |     |     |     | 3  |
          |-----+----+----+----+----+-----+-----+-----+-----+-----+----|
          |128KB|1 & |2 & |2 & |1 & |1 & 2|1 & 2|2 & 3|2 & 3|1 & 2|2 & |
          |     | 2  | 3  | 3  | 2  |     |     |     |     |     | 3  |
          |-----+----+----+----+----+-----+-----+-----+-----+-----+----|
          |256KB|2 & |1 & |2 & |2 & |2 & 3|1 & 2|1 & 2|2 & 3|1 & 2|1 & |
          |     | 3  | 2  | 3  | 3  |     |     |     |     |     | 2  |
          |-----+----+----+----+----+-----+-----+-----+-----+-----+----|
          |512KB|1 & |2 & |1 & |1 & |1 & 2|1 & 2|1 & 2|1 & 2|1 & 2|1 & |
          |     | 2  | 3  | 2  | 2  |     |     |     |     |     | 2  |
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 AT BUS CLOCK CONFIGURATION                 |
          |------------------------------------------------------------|
          | CPU Speed  |    Bus Speed    |   JP3   |   JP4   |   JP5   |
          |------------+-----------------+---------+---------+---------|
          |   33MHz    | 16.5MHz (CPU/2) |  Open   |  Open   | Closed  |
          |------------+-----------------+---------+---------+---------|
          |   33MHz    |  10MHz (Async)  | Closed  |  Open   |  Open   |
          |------------+-----------------+---------+---------+---------|
          |   33MHz    | 8.25MHz (CPU/4) |  Open   | Closed  |  Open   |
          |------------+-----------------+---------+---------+---------|
          |   25MHz    | 12.5MHz (CPU/2) |  Open   |  Open   | Closed  |
          |------------+-----------------+---------+---------+---------|
          |   25MHz    |  8MHz (Async)   | Closed  |  Open   |  Open   |
          |------------+-----------------+---------+---------+---------|
          |   25MHz    |  6.25 (CPU/4)   |  Open   | Closed  |  Open   |
          +------------------------------------------------------------+