TEXAS INSTRUMENTS
=================

   SYSTEM 1000

   Processor       80286                                          
   Processor Speed 12MHz                                          
   Chip Set        AMD                                            
   Max. onboard    640KB (location unknown) 12MB external         
   DRAM            
   Cache           None                                           
   BIOS            AMD                                            
   Dimensions      330mm x 218mm                                  
   I/O Options     External memory card, parallel port, serial    
                   port                                           
   NPU Options     80287                                          

<gopher://bitreich.org/I/th99/m/S-T/31657-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Serial port   |    J8    | External memory card |    J3    |
   |               |          | connector            |          |
   |---------------+----------+----------------------+----------|
   | Parallel port |    J9    | External memory card |    J4    |
   |               |          | connector            |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Jumper/Switch | Position |
   |---------------------------------+---------------+----------|
   |>> | BIOS size select standard   |    E1 & E2    |   Open   |
   |   | size                        |               |          |
   |---+-----------------------------+---------------+----------|
   |   | BIOS size select larger     |    E1 & E2    |  Closed  |
   |   | size                        |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Speaker select internal     | E3, E4, & E5  | E4 & E5  |
   |   |                             |               |  closed  |
   |---+-----------------------------+---------------+----------|
   |   | Speaker select external     | E3, E4, & E5  |   Open   |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |    E6 & E7    |   N/A    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | BUS cycle wait state select | SW1/switch 1  |    On    |
   |   | normal                      |               |          |
   |---+-----------------------------+---------------+----------|
   |   | BUS cycle wait state select | SW1/switch 1  |   Off    |
   |   | shortened                   |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | NPU disabled                | SW1/switch 2  |   Off    |
   |---+-----------------------------+---------------+----------|
   |   | NPU enabled                 | SW1/switch 2  |    On    |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not | SW1/switch 5  |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | NPU speed select 4MHz       | SW1/switch 6  |   Off    |
   |---+-----------------------------+---------------+----------|
   |   | NPU speed select 8MHz       | SW1/switch 6  |    On    |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not | SW1/switch 7  |   Off    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Monitor type select color   | SW2/switch 7  |    On    |
   |---+-----------------------------+---------------+----------|
   |   | Monitor type select         | SW2/switch 7  |   Off    |
   |   | monochrome                  |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE MEMORY CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Size        |       SW1/3       |       SW1/4       |
   |--------------------+-------------------+-------------------|
   |       256KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        Off        |        On         |
   |--------------------+-------------------+-------------------|
   |       640KB        |        On         |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Mode   |   LPT   |   IRQ   |  SW2/1  |  SW2/2  |  SW2/3  |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  LPT1   |  IRQ7   |   Off   |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  LPT1   |  IRQ5   |   On    |   Off   |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  LPT1   |  IRQ5   |   Off   |   Off   |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  LPT1   |  IRQ7   |   On    |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  LPT2   |  IRQ7   |   Off   |   On    |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  LPT2   |  IRQ5   |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  LPT2   |  IRQ5   |   Off   |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  LPT2   |  IRQ7   |   On    |   On    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SERIAL PORT CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Mode   |   COM   |   IRQ   |  SW2/4  |  SW2/5  |  SW2/6  |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  COM1   |  IRQ7   |   Off   |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  COM1   |  IRQ5   |   On    |   Off   |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  COM1   |  IRQ5   |   Off   |   Off   |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  COM1   |  IRQ7   |   On    |   Off   |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  COM2   |  IRQ7   |   Off   |   On    |   Off   |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  COM2   |  IRQ5   |   On    |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Enabled  |  COM2   |  IRQ5   |   Off   |   On    |   On    |
   |----------+---------+---------+---------+---------+---------|
   | Disabled |  COM2   |  IRQ7   |   On    |   On    |   Off   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                LED SELF TEST CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Green   |  Yellow  |   Red    |        Item Failed        |
   |----------+----------+----------+---------------------------|
   |    On    |    On    |    On    |            CPU            |
   |----------+----------+----------+---------------------------|
   |    On    |    On    |   Off    |    8142 test keyboard     |
   |----------+----------+----------+---------------------------|
   |    On    |   Off    |    On    |     8254 timer 1 test     |
   |----------+----------+----------+---------------------------|
   |    On    |   Off    |   Off    |       ROM CRC check       |
   |----------+----------+----------+---------------------------|
   |   Off    |    On    |    On    |       CMOS RAM test       |
   |----------+----------+----------+---------------------------|
   |   Off    |    On    |   Off    |    Memory refresh test    |
   |----------+----------+----------+---------------------------|
   |   Off    |   Off    |    On    |    0 - 256KB RAM test     |
   |----------+----------+----------+---------------------------|
   |   Off    |   Off    |   Off    |      Turbo mode test      |
   |----------+----------+----------+---------------------------|
   |   Off    |   Off    |   Off    |    Turbo parity error     |
   |----------+----------+----------+---------------------------|
   |   Off    |   Off    |    On    |   Nonturbo parity error   |
   |----------+----------+----------+---------------------------|
   |    On    |    On    |    On    |         8259 test         |
   |----------+----------+----------+---------------------------|
   |    On    |    On    |    On    |   8254 timer interrupt    |
   |----------+----------+----------+---------------------------|
   |    On    |    On    |   Off    |    Protected mode test    |
   |----------+----------+----------+---------------------------|
   |    On    |   Off    |    On    |     8254 timer 2 test     |
   |----------+----------+----------+---------------------------|
   |    On    |   Off    |   Off    |         DMA test          |
   +------------------------------------------------------------+

    

<gopher://bitreich.org/I/th99/m/S-T/31657-2.png>
   

   +------------------------------------------------------------+
   |                    MEMORY CONFIGURATION                    |
   |------------------------------------------------------------|
   | Size  | Bank 0  | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank |
   |       |         |        |        |        |        |  5   |
   |-------+---------+--------+--------+--------+--------+------|
   | 512KB |   (2)   |  NONE  |  NONE  |  NONE  |  NONE  | NONE |
   |       | 256K x  |        |        |        |        |      |
   |       |    9    |        |        |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  1MB  |   (2)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE |
   |       | 256K x  | 256K x |        |        |        |      |
   |       |    9    |   9    |        |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   | 1.5MB |   (2)   |  (2)   |  (2)   |  NONE  |  NONE  | NONE |
   |       | 256K x  | 256K x | 256K x |        |        |      |
   |       |    9    |   9    |   9    |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  2MB  |   (2)   |  (2)   |  (2)   |  (2)   |  NONE  | NONE |
   |       | 256K x  | 256K x | 256K x | 256K x |        |      |
   |       |    9    |   9    |   9    |   9    |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  2MB  | (2) 1M  |  NONE  |  NONE  |  NONE  |  NONE  | NONE |
   |       |   x 9   |        |        |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   | 2.5MB |   (2)   |  (2)   |  (2)   |  (2)   |  (2)   | NONE |
   |       | 256K x  | 256K x | 256K x | 256K x | 256K x |      |
   |       |    9    |   9    |   9    |   9    |   9    |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  3MB  |   (2)   |  (2)   |  (2)   |  (2)   |  (2)   | (2)  |
   |       | 256K x  | 256K x | 256K x | 256K x | 256K x | 256K |
   |       |    9    |   9    |   9    |   9    |   9    | x 9  |
   |-------+---------+--------+--------+--------+--------+------|
   |  4MB  | (2) 1M  | (2) 1M |  NONE  |  NONE  |  NONE  | NONE |
   |       |   x 9   |  x 9   |        |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  6MB  | (2) 1M  | (2) 1M | (2) 1M |  NONE  |  NONE  | NONE |
   |       |   x 9   |  x 9   |  x 9   |        |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   |  8MB  | (2) 1M  | (2) 1M | (2) 1M | (2) 1M |  NONE  | NONE |
   |       |   x 9   |  x 9   |  x 9   |  x 9   |        |      |
   |-------+---------+--------+--------+--------+--------+------|
   | 10MB  | (2) 1M  | (2) 1M | (2) 1M | (2) 1M | (2) 1M | NONE |
   |       |   x 9   |  x 9   |  x 9   |  x 9   |  x 9   |      |
   |-------+---------+--------+--------+--------+--------+------|
   | 640KB | (2) 1M  | (2) 1M | (2) 1M | (2) 1M | (2) 1M | (2)  |
   |       |   x 9   |  x 9   |  x 9   |  x 9   |  x 9   | 1M x |
   |       |         |        |        |        |        |  9   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MEMORY JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |       SIMMs        |      E1 & E2      |      E3 & E4      |
   |--------------------+-------------------+-------------------|
   |      256K x 9      |      Closed       |      Closed       |
   |--------------------+-------------------+-------------------|
   |       1M x 9       |       Open        |       Open        |
   +------------------------------------------------------------+