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

   JATO 286+

   Processor         80286                                        
   Processor Speed   10/12/16/20MHz                               
   Chip Set          LSI                                          
   Max. Onboard DRAM 8MB                                          
   Cache             None                                         
   BIOS              Unidentified                                 
   Dimensions        330mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80287                                        

<gopher://bitreich.org/I/th99/m/S-T/32457-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Turbo LED         |    J1    | Serial port 1    |    J6    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |    J2    | External battery |    J8    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |    J3    | Reset switch     |   JP1    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |    J4    | Reset switch     |   JP5    |
   |-------------------+----------+------------------+----------|
   | Parallel port     |    J5    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | NPU clock speed select CPU clock |  JP2   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | NPU clock speed select OSC1      |  JP2   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | BIOS type select 27128           |  JP3   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | BIOS type select 27256           |  JP3   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    |  JP4   | pins 2 & 3 |
   |   | board                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    |  JP4   | pins 1 & 2 |
   |   | power supply                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP6   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP6   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Battery type select internal     |  JP7   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery type select external     |  JP7   |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Parallel port enabled            |  JP8   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Parallel port disabled           |  JP8   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Serial port 2 enabled            |  JP9   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Serial port 2 disabled           |  JP9   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Serial port 1 enabled            |  JP10  |    Open    |
   |---+----------------------------------+--------+------------|
   |>> | Serial port 1 disabled           |  JP10  |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Factory configured - do not      |  JP11  |    Open    |
   |   | alter                            |        |            |
   |------------------------------------------------------------|
   | Note: The location of JP6 is unidentified.                 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               DRAM CONFIGURATION (OPTION 1)                |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 512KB | (18) 41256  |    NONE    |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 640KB | (18) 41256  | (18) 4164  |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  1MB  | (18) 41256  | (18) 41256 |    NONE    |    NONE    |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (18) 41256  | (18) 41256 | (2) 256K x | (2) 256K x |
   |       |             |            |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  4MB  | (18) 411000 |    (18)    |    NONE    |    NONE    |
   |       |             |   411000   |            |            |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (18) 411000 |    (18)    | (2) 256K x | (2) 256K x |
   |       |             |   411000   |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (18) 411000 |    (18)    | (2) 1M x 9 | (2) 1M x 9 |
   |       |             |   411000   |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               DRAM CONFIGURATION (OPTION 2)                |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
   |-------+-------------+------------+------------+------------|
   | 512KB |    NONE     |    NONE    | (2) 256K x |    NONE    |
   |       |             |            |     9      |            |
   |-------+-------------+------------+------------+------------|
   |  1MB  |    NONE     |    NONE    | (2) 256K x | (2) 256K x |
   |       |             |            |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  2MB  | (18) 41256  | (18) 41256 | (2) 256K x | (2) 256K x |
   |       |             |            |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  4MB  |    NONE     |    NONE    | (2) 1M x 9 | (2) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (18) 41256  | (18) 41256 | (2) 1M x 9 | (2) 1M x 9 |
   |-------+-------------+------------+------------+------------|
   |  5MB  | (18) 411000 |    (18)    | (2) 256K x | (2) 256K x |
   |       |             |   411000   |     9      |     9      |
   |-------+-------------+------------+------------+------------|
   |  8MB  | (18) 411000 |    (18)    | (2) 1M x 9 | (2) 1M x 9 |
   |       |             |   411000   |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                DRAM RESISTOR CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |    AR23     |    AR24    |    AR25    |   AR26    |
   |--------+-------------+------------+------------+-----------|
   | Option |  Installed  | Installed  |    Not     |    Not    |
   |   1    |             |            | Installed  | Installed |
   |--------+-------------+------------+------------+-----------|
   | Option |     Not     |    Not     | Installed  | Installed |
   |   2    |  Installed  | Installed  |            |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            DRAM RESISTOR CONFIGURATION (CON'T)             |
   |------------------------------------------------------------|
   |  Size  |    AR27     |    AR28    |    AR29    |   AR30    |
   |--------+-------------+------------+------------+-----------|
   | Option |     Not     |    Not     | Installed  | Installed |
   |   1    |  Installed  | Installed  |            |           |
   |--------+-------------+------------+------------+-----------|
   | Option |  Installed  | Installed  |    Not     |    Not    |
   |   2    |             |            | Installed  | Installed |
   +------------------------------------------------------------+