(TXT) View Source
       
       # J-MARK COMPUTER CORPORATION
       
          386WB Cache (Version II)
       
          Processor             80386DX                                  
          Processor Speed       33/40MHz                                 
          Chip Set              OPTI                                     
          Max. Onboard DRAM     32MB                                     
          Cache                 32/64/128/256KB                          
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387/3167                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |   J10    | Turbo LED      |   JP4    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J23    | Reset switch   |   JP11   |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J24    | Turbo switch   |   SW2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Monitor type select color        |  JP1   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP1   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP2   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP2   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP3   |   Closed   |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    32KB    |  (4) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |  JP5   |  JP6   |  JP7   |  JP8   |  JP9  | JP10  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  32KB  | 1 & 2  |  Open  | 1 & 2  |  Open  | 1 & 2 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          |  64KB  | 2 & 3  |  Open  | 1 & 2  |  Open  | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 128KB  | 2 & 3  |  Open  | 2 & 3  | Closed | 1 & 2 | 1 & 2 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 256KB  | 2 & 3  | Closed | 2 & 3  | Closed | 2 & 3 | 1 & 2 |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+