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                                   

<gopher://bitreich.org/I/th99/m/S-T/32676-1.png>
   

   +------------------------------------------------------------+
   |                        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  |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/S-T/32676-2.png>
                                                         

   +------------------------------------------------------------+
   |                     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 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/S-T/32676-3.png>
   

   +------------------------------------------------------------+
   |                     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.        |
   +------------------------------------------------------------+