(TXT) View Source
       
       # MAGITRONICS
       
          386-40UM
       
          Processor           80386DX                                    
          Processor Speed     33/40MHz                                   
          Chip Set            UMC                                        
          Max. Onboard DRAM   32MB                                       
          SRAM Cache          64/128/256KB                               
          BIOS                AMI                                        
          Dimensions          260mm x 220mm                              
          I/O Options         None                                       
          NPU Options         80387DX/3167                               
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Power LED &       |    J1    | Turbo switch     |    J4    |
          | keylock           |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J2    | Turbo LED        |    J5    |
          |-------------------+----------+------------------+----------|
          | Reset switch      |    J3    | External battery |   J11    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | NPU enabled               |      J7       |   Closed   |
          |---+---------------------------+---------------+------------|
          |   | NPU disabled              |      J7       |    Open    |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select color |      J8       |   Closed   |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |      J8       |    Open    |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          | » | Battery select internal   |      J9       | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Battery select external   |      J9       | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | CMOS memory normal        |      J11      | pins 2 & 3 |
          |   | operation                 |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | CMOS memory clear         |      J11      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |------------------------------------------------------------|
          | Note: When selecting an external battery (J9), the         |
          | external battery must be connected to J11.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |     Cache     |   Location    |      TAG      |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (8) 8K x 8   |  Banks 0 & 1  |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |    Bank 0     |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (8) 32K x 8  |  Banks 0 & 1  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          | Size  |     W1     |   W2   |   W3   |    W4    |    W5    |
          |-------+------------+--------+--------+----------+----------|
          | 64KB  | pins 2 & 3 |  Open  |  Open  | pins 1 & | pins 1 & |
          |       |            |        |        |    2     |    2     |
          |-------+------------+--------+--------+----------+----------|
          | 128KB | pins 1 & 2 |  Open  | Closed | pins 2 & | pins 1 & |
          |       |            |        |        |    3     |    2     |
          |-------+------------+--------+--------+----------+----------|
          | 256KB | pins 2 & 3 | Closed | Closed | pins 2 & | pins 2 & |
          |       |            |        |        |    3     |    3     |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position     |
          +------------------------------------------------------------+