(TXT) View Source
       
       # 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                                  
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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.     |
          +------------------------------------------------------------+