INTERCOMP, INC.
===============

   386SX 20/25/33

   Processor             80386SX                                  
   Processor Speed       20/25/33MHz                              
   Chip Set              Intercomp                                
   Max. Onboard DRAM     16MB                                     
   SRAM Cache            16/32/64KB                               
   BIOS                  MR                                       
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           80387SX                                  

<gopher://bitreich.org/I/th99/m/I-L/30352-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |   JP1    | Turbo LED         |   JP16   |
   |------------------+----------+-------------------+----------|
   | Diagnostic LED   |   JP13   | Speaker           |   JP17   |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   JP14   | Power LED &       |   JP18   |
   |                  |          | keylock           |          |
   |------------------+----------+-------------------+----------|
   | Turbo switch     |   JP15   |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Jumper |    Position    |
   |----------------------------------+--------+----------------|
   |>> | Battery select internal      |  JP10  |   pins 2 & 3   |
   |   |                              |        |     closed     |
   |---+------------------------------+--------+----------------|
   |   | Battery select external      |  JP10  |   pins 1 & 2   |
   |   |                              |        |     closed     |
   |---+------------------------------+--------+----------------|
   |>> | CMOS memory normal operation |  JP11  |   pins 1 & 2   |
   |   |                              |        |     closed     |
   |---+------------------------------+--------+----------------|
   |   | CMOS memory clear            |  JP11  |   pins 2 & 3   |
   |   |                              |        |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 1MB  | (2) 256K x  | (2) 256K x  |    NONE    |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (2) 256K x  | (2) 256K x  | (2) 256K x | (2) 256K x |
   |      |      9      |      9      |     9      |     9      |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (2) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 3MB  | (2) 256K x  | (2) 256K x  | (2) 1M x 9 |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (2) 1M x 9  | (2) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 5MB  | (2) 256K x  | (2) 256K x  | (2) 1M x 9 | (2) 1M x 9 |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (2) 1M x 9  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 |
   |------+-------------+-------------+------------+------------|
   | 9MB  | (2) 256K x  | (2) 256K x  | (2) 4M x 9 |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 10MB | (2) 1M x 9  | (2) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 12MB | (2) 1M x 9  | (2) 1M x 9  | (2) 4M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 16MB | (2) 4M x 9  | (2) 4M x 9  |    NONE    |    NONE    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       | Bank 0 (U17 & U19) | Bank 1 (U16 & U18) |
   |------------------+--------------------+--------------------|
   |       16KB       |     (2) 8K x 8     |        NONE        |
   |------------------+--------------------+--------------------|
   |       32KB       |     (2) 8K x 8     |     (2) 8K x 8     |
   |------------------+--------------------+--------------------|
   |       64KB       |    (2) 32K x 8     |        NONE        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |  JP4   |  JP5   |  JP6   |  JP7  |  JP8   |  JP9   |
   |-------+--------+--------+--------+-------+--------+--------|
   | 16KB  | 1 & 2  | 1 & 2  | 1 & 2  | 1 & 2 |  Open  |  Open  |
   |-------+--------+--------+--------+-------+--------+--------|
   | 32KB  | 2 & 3  | 1 & 2  | 1 & 2  | 2 & 3 | Closed |  Open  |
   |-------+--------+--------+--------+-------+--------+--------|
   | 64KB  | 2 & 3  | 2 & 3  | 2 & 3  | 2 & 3 |  Open  | Closed |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+