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       # UNIDENTIFIED
       
          RST 386 CACHE SERIES
       
          Processor             80386DX                                  
          Processor Speed       33MHz                                    
          Chip Set              Unknown                                  
          Max. Onboard DRAM     8MB                                      
          Cache                 32/64/128KB                              
          BIOS                  AMI                                      
          Dimensions            330.2mm x 218.4mm                        
          I/O Options           32-bit external memory card slot         
          NPU Options           80387                                    
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |   JP1    | Speaker          |   JP20   |
          |-------------------+----------+------------------+----------|
          | Turbo LED         |   JP14   | 32-bit external  |    S1    |
          |                   |          | memory card      |          |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |   JP15   | Reset switch     |   SW1    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   JP19   |                  |          |
          | keylock           |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JP4   |   n/a    |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JP6   |   n/a    |
          |---+------------------------------------+--------+----------|
          | » | Monitor type select color          |  JP13  |  Closed  |
          |---+------------------------------------+--------+----------|
          |   | Monitor type select monochrome     |  JP13  |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JP16  |   n/a    |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JP17  |   n/a    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |    Bank 0     |   Bank 1   |   Bank 2   |  Bank 3  |
          |-------+---------------+------------+------------+----------|
          |  1MB  | (4) 256K x 9  |    NONE    |    NONE    |   NONE   |
          |-------+---------------+------------+------------+----------|
          |  2MB  | (4) 256K x 9  | (4) 256K x |    NONE    |   NONE   |
          |       |               |     9      |            |          |
          |-------+---------------+------------+------------+----------|
          |  4MB  |  (4) 1M x 9   |    NONE    |    NONE    |   NONE   |
          |-------+---------------+------------+------------+----------|
          |  8MB  |  (4) 1M x 9   | (4) 1M x 9 |    NONE    |   NONE   |
          |-------+---------------+------------+------------+----------|
          | 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     |
          |------------------------------------------------------------|
          | Note:Banks 2 & 3 are utilized when a 32-bit external       |
          | memory card is installed at S1.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   | TAG (U30,  | TAG (U43)  |
          |       |             |            |    U31)    |            |
          |-------+-------------+------------+------------+------------|
          | 32KB  | (4) 8K x 8  |    NONE    | (2) 16K x  |    NONE    |
          |       |             |            |     4      |            |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (2) 16K x  |    NONE    |
          |       |             |            |     4      |            |
          |-------+-------------+------------+------------+------------|
          | 128KB | (4) 32K x 8 |    NONE    |    NONE    | (1) 32K x  |
          |       |             |            |            |     8      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |    Size     | JP8  | JP9  | JP10  | JP11  | JP12  |  JP18  |
          |-------------+------+------+-------+-------+-------+--------|
          |    32KB     | 2 &  | 2 &  | 2 & 3 | 2 & 3 | 1 & 2 |  Open  |
          |             |  3   |  3   |       |       |       |        |
          |-------------+------+------+-------+-------+-------+--------|
          |    64KB     | 2 &  | 2 &  | 2 & 3 | 2 & 3 | 2 & 3 |  Open  |
          |             |  3   |  3   |       |       |       |        |
          |-------------+------+------+-------+-------+-------+--------|
          |    128KB    | 1 &  | 1 &  | 1 & 2 | 1 & 2 | 2 & 3 | Closed |
          |             |  2   |  2   |       |       |       |        |
          |-------------+------+------+-------+-------+-------+--------|
          |    128KB    | 1 &  | 1 &  | 1 & 2 | 1 & 2 | Open  |  Open  |
          | (internal)  |  2   |  2   |       |       |       |        |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+