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       # BEC COMPUTER ENTERPRISES
       
          SPM 386-33C
       
          Processor             80386DX                                  
          Processor Speed       33MHz                                    
          Chip Set              C & T                                    
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256KB                             
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           32-bit external memory card slot         
          NPU Options           80387/3167                               
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | External battery  |    J3    | Turbo LED        |   J13    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J5    | Speaker          |   J14    |
          |-------------------+----------+------------------+----------|
          | Power LED &       |   J10    | 32-bit external  |    S1    |
          | Keylock           |          | memory card      |          |
          |-------------------+----------+------------------+----------|
          | Turbo switch      |   J12    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | CMOS memory normal operation       |   J2   |   Open   |
          |---+------------------------------------+--------+----------|
          |   | CMOS memory clear                  |   J2   |  Closed  |
          |---+------------------------------------+--------+----------|
          | » | Monitor type select monochrome     |   J4   |   Open   |
          |---+------------------------------------+--------+----------|
          |   | Monitor type select color          |   J4   |  Closed  |
          |---+------------------------------------+--------+----------|
          | » | NPU mode select synchronous with   |  J11   |   Open   |
          |   | CPU                                |        |          |
          |---+------------------------------------+--------+----------|
          |   | NPU mode select asynchronous with  |  J11   |  Closed  |
          |   | CPU                                |        |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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 (U28 & | TAG (U34)  |
          |       |             |            |    U32)    |            |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (2) 16K x  |    NONE    |
          |       |             |            |     4      |            |
          |-------+-------------+------------+------------+------------|
          | 128KB | (4) 32K x 8 |    NONE    | (2) 16K x  |    NONE    |
          |       |             |            |     4      |            |
          |-------+-------------+------------+------------+------------|
          | 256KB | (4) 32K x 8 | (4) 32K x  | (2) 16K x  | (1) 16K x  |
          |       |             |     8      |     4      |     4      |
          |------------------------------------------------------------|
          | Note: Bank 0 = U2, U3, U15, & U21. Bank 1 = U10, U11, U16, |
          | & U20.                                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |    W1    |    W2    |    W3    |   W4    |   W5    |
          |-------+----------+----------+----------+---------+---------|
          | 64KB  | pins 2 & | pins 2 & | pins 2 & | pins 2  |  Open   |
          |       | 3 closed | 3 closed | 3 closed |   & 3   |         |
          |       |          |          |          | closed  |         |
          |-------+----------+----------+----------+---------+---------|
          | 128KB |   Open   | pins 1 & | pins 1 & | pins 1  | pins 2  |
          |       |          | 2 closed | 2 closed |   & 2   |   & 3   |
          |       |          |          |          | closed  | closed  |
          |-------+----------+----------+----------+---------+---------|
          | 256KB | pins 1 & | pins 1 & | pins 1 & | pins 1  | pins 1  |
          |       | 2 closed | 2 closed | 2 closed |   & 2   |   & 2   |
          |       |          |          |          | closed  | closed  |
          +------------------------------------------------------------+