TMC RESEARCH CORPORATION
========================

   PAT3XCA

   Processor         80386SX                                      
   Processor Speed   16MHz                                        
   Chip Set          NEAT                                         
   Max. Onboard DRAM 8MB                                          
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        330mm x 215mm                                
   I/O Options       None                                         
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/S-T/32081-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    J2    | Speaker           |   J13    |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   J11    | Power LED &       |   J14    |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Turbo LED        |   J12    | Turbo switch      |   J15    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Battery type select internal     |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | BIOS type select 27256           |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | BIOS type select 27128           |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP4   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP4   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | NPU disabled                     |  JP7   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU enabled                      |  JP7   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Pipeline mode enabled            |  JP8   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Pipeline mode disabled           |  JP8   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP10  |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   W1   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |   W2   |    N/A     |
   |   | alter                            |        |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank | Bank | Bank | Bank | Bank  | Bank  | PARITY |
   |       |  0   |  1   |  2   |  3   |  4A   |  4B   |        |
   |-------+------+------+------+------+-------+-------+--------|
   | 512KB | (2)  | NONE | NONE | NONE | NONE  | NONE  |  NONE  |
   |       | 256K |      |      |      |       |       |        |
   |       | x 9  |      |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   | 512KB | NONE | NONE | NONE | NONE |  (4)  | NONE  |  (2)   |
   |       |      |      |      |      | 44256 |       | 41256  |
   |-------+------+------+------+------+-------+-------+--------|
   |  1MB  | (2)  | (2)  | NONE | NONE | NONE  | NONE  |  NONE  |
   |       | 256K | 256K |      |      |       |       |        |
   |       | x 9  | x 9  |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  1MB  | (2)  | NONE | NONE | NONE |  (4)  | NONE  |  (2)   |
   |       | 256K |      |      |      | 44256 |       | 41256  |
   |       | x 9  |      |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  1MB  | NONE | NONE | (2)  | NONE |  (4)  | NONE  |  (2)   |
   |       |      |      | 256K |      | 44256 |       | 41256  |
   |       |      |      | x 9  |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  1MB  | NONE | NONE | NONE | NONE |  (4)  |  (4)  |  (4)   |
   |       |      |      |      |      | 44256 | 44256 | 41256  |
   |-------+------+------+------+------+-------+-------+--------|
   |  2MB  | (2)  | (2)  | (2)  | (2)  | NONE  | NONE  |  NONE  |
   |       | 256K | 256K | 256K | 256K |       |       |        |
   |       | x 9  | x 9  | x 9  | x 9  |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  2MB  | (2)  | NONE | NONE | NONE | NONE  | NONE  |  NONE  |
   |       | 1M x |      |      |      |       |       |        |
   |       |  9   |      |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  2MB  | (2)  | (2)  | NONE | NONE |  (4)  |  (4)  |  (4)   |
   |       | 256K | 256K |      |      | 44256 | 44256 | 41256  |
   |       | x 9  | x 9  |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  2MB  | NONE | NONE | (2)  | (2)  |  (4)  |  (4)  |  (4)   |
   |       |      |      | 256K | 256K | 44256 | 44256 | 41256  |
   |       |      |      | x 9  | x 9  |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  3MB  | (2)  | NONE | NONE | NONE |  (4)  |  (4)  |  (4)   |
   |       | 1M x |      |      |      | 44256 | 44256 | 41256  |
   |       |  9   |      |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  3MB  | NONE | NONE | (2)  | NONE |  (4)  |  (4)  |  (4)   |
   |       |      |      | 1M x |      | 44256 | 44256 | 41256  |
   |       |      |      |  9   |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  4MB  | (2)  | (2)  | NONE | NONE | NONE  | NONE  |  NONE  |
   |       | 1M x | 1M x |      |      |       |       |        |
   |       |  9   |  9   |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  5MB  | (2)  | (2)  | (2)  | (2)  | NONE  | NONE  |  NONE  |
   |       | 256K | 256K | 1M x | 1M x |       |       |        |
   |       | x 9  | x 9  |  9   |  9   |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  5MB  | (2)  | (2)  | NONE | NONE |  (4)  |  (4)  |  (4)   |
   |       | 1M x | 1M x |      |      | 44256 | 44256 | 41256  |
   |       |  9   |  9   |      |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  5MB  | NONE | NONE | (2)  | (2)  |  (4)  |  (4)  |  (4)   |
   |       |      |      | 1M x | 1M x | 44256 | 44256 | 41256  |
   |       |      |      |  9   |  9   |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  6MB  | (2)  | (2)  | (2)  | NONE | NONE  | NONE  |  NONE  |
   |       | 1M x | 1M x | 1M x |      |       |       |        |
   |       |  9   |  9   |  9   |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  7MB  | (2)  | (2)  | (2)  | NONE |  (4)  |  (4)  |  (4)   |
   |       | 1M x | 1M x | 1M x |      | 44256 | 44256 | 41256  |
   |       |  9   |  9   |  9   |      |       |       |        |
   |-------+------+------+------+------+-------+-------+--------|
   |  8MB  | (2)  | (2)  | (2)  | (2)  | NONE  | NONE  |  NONE  |
   |       | 1M x | 1M x | 1M x | 1M x |       |       |        |
   |       |  9   |  9   |  9   |  9   |       |       |        |
   |------------------------------------------------------------|
   |      Note: In configurations in which only one of banks 0  |
   |      and 1 or 2 and 3 are installed, memory will not be    |
   |      interleaved and will operate with wait states.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DIP DRAM BANK CONFIGURATION                 |
   |------------------------------------------------------------|
   |Bank 4A|Bank 4B|    RN1    |   RN2    |   RN6    |   RN18   |
   |-------+-------+-----------+----------+----------+----------|
   |Bank 0 |Bank 1 | Installed |   Not    |Installed |   Not    |
   |       |       |           |installed |          |installed |
   |-------+-------+-----------+----------+----------+----------|
   |Bank 2 |Bank 3 |    Not    |Installed |   Not    |Installed |
   |       |       | installed |          |installed |          |
   +------------------------------------------------------------+