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

   SYSTEM SP1000

   Processor         80386SX                                      
   Processor Speed   16MHz                                        
   Chip Set          AMD                                          
   Max. onboard DRAM 1MB                                          
   Cache             None                                         
   BIOS              AMD                                          
   Dimensions        355mm x 304mm                                
   I/O Options       32-bit proprietary bus slot                  
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/S-T/31655-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Control panel |   J23    | 32-bit proprietary   |    S1    |
   | connector     |          | bus slot             |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              |   Switch   | Position  |
   |-----------------------------------+------------+-----------|
   |>> | Monitor type select           | SW1/switch |    Off    |
   |   | monochrome                    |     5      |           |
   |---+-------------------------------+------------+-----------|
   |   | Monitor type select color     | SW1/switch |    On     |
   |   |                               |     5      |           |
   |---+-------------------------------+------------+-----------|
   |>> | CPU speed select smart mode   | SW1/switch |    On     |
   |   |                               |     6      |           |
   |---+-------------------------------+------------+-----------|
   |   | CPU speed select 16MHz        | SW1/switch |    Off    |
   |   |                               |     6      |           |
   |---+-------------------------------+------------+-----------|
   |>> | Factory configured - do not   | SW2/switch |    N/A    |
   |   | alter                         |     1      |           |
   |---+-------------------------------+------------+-----------|
   |>> | System select 1 wait state    | SW2/switch |    Off    |
   |   |                               |     3      |           |
   |---+-------------------------------+------------+-----------|
   |   | System select 0 wait states   | SW2/switch |    On     |
   |   |                               |     3      |           |
   |---+-------------------------------+------------+-----------|
   |>> | Factory configured - do not   | SW2/switch |    N/A    |
   |   | alter                         |     4      |           |
   |------------------------------------------------------------|
   | Note:In the smart mode, the processor slows down during    |
   | accesses to the diskette drive.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     BIOS CONFIGURATION                     |
   |------------------------------------------------------------|
   |  BIOS  |SW1/switch 1|SW1/switch 2|SW1/switch 3|SW1/switch 4|
   |--------+------------+------------+------------+------------|
   |>>|27128 |     On     |     On     |    Off     |    Off     |
   |-+------+------------+------------+------------+------------|
   | |27256 |    Off     |    Off     |     On     |     On     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     NPU CONFIGURATION                      |
   |------------------------------------------------------------|
   |     NPU      |        J20        |    J21     |    J22     |
   |--------------+-------------------+------------+------------|
   |>> | Enabled  | pins 1 & 2 closed | pins 1 & 2 | pins 2 & 3 |
   |   |          |                   |   closed   |   closed   |
   |---+----------+-------------------+------------+------------|
   |   | Disabled | pins 2 & 3 closed | pins 2 & 3 | pins 1 & 2 |
   |   |          |                   |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 SYSTEM DRAM CONFIGURATION                  |
   |------------------------------------------------------------|
   |            Size            |             DIPPs             |
   |----------------------------+-------------------------------|
   |            1MB             |          (32) 41256           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SYSTEM MEMORY MODE CONFIGURATION              |
   |------------------------------------------------------------|
   | Base  |    BIOS     |   External   | SW1/7 | SW1/8 | SW2/2 |
   |       |             |    Memory    |       |       |       |
   |-------+-------------+--------------+-------+-------+-------|
   | 640KB |   Normal    |     0KB      |  On   |  On   |  Off  |
   |-------+-------------+--------------+-------+-------+-------|
   | 640KB | Loaded high |     0KB      |  On   |  Off  |  Off  |
   |-------+-------------+--------------+-------+-------+-------|
   | 640KB |   Normal    |    256KB     |  Off  |  On   |  On   |
   |-------+-------------+--------------+-------+-------+-------|
   | 640KB | Loaded high |    256KB     |  Off  |  Off  |  On   |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/m/S-T/31655-2.png>
   

<gopher://bitreich.org/I/th99/m/S-T/31655-3.png>
   

   +------------------------------------------------------------+
   |       USER CONFIGURABLE SETTINGS FOR EXTERNAL MEMORY       |
   |------------------------------------------------------------|
   |             Function              | Jumper |   Position    |
   |-----------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP1   |  pins 1 & 2   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  JP2   |  pins 2 & 3   |
   |   | alter                         |        |    closed     |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  TP1   | pins 3 & 8, 4 |
   |   | alter                         |        |  & 9 closed   |
   |---+-------------------------------+--------+---------------|
   |>> | Factory configured - do not   |  TP2   | pins 3 & 8, 4 |
   |   | alter                         |        |  & 9 closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               EXTERNAL MEMORY CONFIGURATION                |
   |------------------------------------------------------------|
   | Size |   Bank 1    |   Bank 2    |   Bank 3   |   Bank 4   |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (16) 411000 |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (16) 411000 | (16) 411000 |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (16) 411000 | (16) 411000 |    (16)    |    NONE    |
   |      |             |             |   411000   |            |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (16) 411000 | (16) 411000 |    (16)    |    (16)    |
   |      |             |             |   411000   |   411000   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |            EXTERNAL MEMORY SWITCH CONFIGURATION            |
   |------------------------------------------------------------|
   |    Size    | SW1/switch 1  | SW1/switch 2  | SW1/switch 3  |
   |------------+---------------+---------------+---------------|
   |    2MB     |      On       |      On       |      On       |
   |------------+---------------+---------------+---------------|
   |    4MB     |      Off      |      On       |      On       |
   |------------+---------------+---------------+---------------|
   |    6MB     |      Off      |      Off      |      On       |
   |------------+---------------+---------------+---------------|
   |    8MB     |      Off      |      Off      |      Off      |
   +------------------------------------------------------------+