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       # TMC RESEARCH CORPORATION
       
          PAT 38PC
       
          Processor         80386DX                                      
          Processor Speed   25/33MHz                                     
          Chip Set          Unidentifed                                  
          Max. Onboard DRAM 24MB (16MB on external memory card)          
          Cache             32/64KB                                      
          BIOS              Unidentified                                 
          Dimensions        330mm x 218mm                                
          I/O Options       External memory card slots                   
          NPU Options       80387/3167                                   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |   J24    | Reset switch     | J25 (9 & |
          |                   |          |                  |   19)    |
          |-------------------+----------+------------------+----------|
          | Speaker           | J25 (1 - | IDE interface    | J25 (10  |
          |                   |    4)    | LED              |  & 20)   |
          |-------------------+----------+------------------+----------|
          | Turbo switch      | J25 (7 & | Power LED &      | J25 (11  |
          |                   |   17)    | keylock          |  - 15)   |
          |-------------------+----------+------------------+----------|
          | Turbo LED         | J25 (8 & | External memory  |    S1    |
          |                   |   18)    | card slot        |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |   J1   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  J23   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP2   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP2   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Pipeline mode enabled            |  JP9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Pipeline mode disabled           |  JP9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | NPU disabled                     |  JP10  |    Open    |
          |---+----------------------------------+--------+------------|
          |   | NPU enabled                      |  JP10  |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Battery type select internal     |  JP15  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |  JP15  |    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) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       5MB        |     (4) 1M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       32KB       |     (4) 8K x 8     |        NONE        |
          |------------------+--------------------+--------------------|
          |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size |       JP4        |  JP5   |    JP6     |    JP11    |
          |------+------------------+--------+------------+------------|
          | 32KB |    pins 2 & 3    |  Open  | pins 1 & 2 | pins 1 & 2 |
          |      |      closed      |        |   closed   |   closed   |
          |------+------------------+--------+------------+------------|
          | 64KB |    pins 2 & 3    | Closed | pins 2 & 3 | pins 2 & 3 |
          |      |      closed      |        |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CACHE LINE SIZE CONFIGURATION                |
          |------------------------------------------------------------|
          |        Size        |       JP7        |        JP8         |
          |--------------------+------------------+--------------------|
          |      4 bytes       |      Closed      | pins 1 & 2 closed  |
          |--------------------+------------------+--------------------|
          |      8 bytes       |      Closed      | pins 2 & 3 closed  |
          |--------------------+------------------+--------------------|
          |      16 bytes      |       Open       | pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
   IMG IMG 2
                                                                
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 3   |   Bank 4   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (4) 256K x  | (4) 256K x  | (4) 256K x |    NONE    |
          |      |      9      |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 256K x |
          |      |      9      |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (4) 1M x 9  | (4) 256K x  | (4) 256K x |    NONE    |
          |      |             |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 10MB | (4) 1M x 9  | (4) 1M x 9  | (4) 256K x | (4) 256K x |
          |      |             |             |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 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 |
          +------------------------------------------------------------+
       
   IMG IMG 3
          
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |      Bank 0/2      |      Bank 1/3      |
          |------------------+--------------------+--------------------|
          |       4MB        |    (36) 411000     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |    (36) 411000     |    (36) 411000     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |  Setting  |   JP1    |   JP2    |  JP3   |  JP4   |  JP5   |
          |-----------+----------+----------+--------+--------+--------|
          | Bank 0/1  |  1 & 2   |  1 & 2   | 1 & 2  | 1 & 2  | 1 & 2  |
          |-----------+----------+----------+--------+--------+--------|
          | Bank 1/3  |  2 & 3   |  2 & 3   | 2 & 3  | 2 & 3  | 2 & 3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in closed position.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             DRAM JUMPER CONFIGURATION (CON’T)              |
          |------------------------------------------------------------|
          |  Setting  |   JP6    |   JP7    |  JP8   |  JP9   |  JP10  |
          |-----------+----------+----------+--------+--------+--------|
          | Bank 0/1  |  1 & 2   |  1 & 2   | 1 & 2  | 1 & 2  | 1 & 2  |
          |-----------+----------+----------+--------+--------+--------|
          | Bank 1/3  |  2 & 3   |  2 & 3   | 2 & 3  | 2 & 3  | 2 & 3  |
          |------------------------------------------------------------|
          | Note: Pins designated should be in closed position.        |
          +------------------------------------------------------------+