(TXT) View Source
       
       # UNIDENTIFIED
       
          386-40/33 CACHE SYSTEM BOARD
       
          Processor         80386DX/AMD386DX/CX486DLC                    
          Processor Speed   33/40MHz                                     
          Chip Set          ALI                                          
          Max. Onboard DRAM 32MB                                         
          Cache             64/128/256KB                                 
          BIOS              AMI                                          
          Dimensions        254mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80387SX/CX87DLC/83D87                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   CN1    | Speaker          |   CN4    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   CN2    | Reset switch     |   CN5    |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |   CN3    | External battery |   CN6    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function                | Jumper  | Position |
          |---------------------------------------+---------+----------|
          | » | Factory configured - do not alter |   JP2   |   Open   |
          |---+-----------------------------------+---------+----------|
          | » | Factory configured - do not alter |   JP3   |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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        |
          |------------------+--------------------+--------------------|
          |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size   |   JP4    |   JP5   |   JP6   |        JP7        |
          |---------+----------+---------+---------+-------------------|
          |  64KB   |   Open   |  Open   |  Open   |       Open        |
          |---------+----------+---------+---------+-------------------|
          |  128KB  |  Closed  | Closed  |  Open   | pins 2 & 3 closed |
          |---------+----------+---------+---------+-------------------|
          |  256KB  |  Closed  | Closed  | Closed  | pins 1 & 2 closed |
          +------------------------------------------------------------+