(TXT) View Source
       
       # FIRST INTERNATIONAL COMPUTER, INC.
       
          80386SX-20/25 SC/SI
       
          Processor             80386SX                                  
          Processor Speed       20/25MHz                                 
          Chip Set              Symphony                                 
          Max. Onboard DRAM     32MB                                     
          Cache                 16/32/64/128KB                           
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80387SX                                  
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | Turbo switch   |   JP30   | Speaker             |   JP33   |
          |----------------+----------+---------------------+----------|
          | Turbo LED      |   JP31   | Power LED & keylock |   JP34   |
          |----------------+----------+---------------------+----------|
          | Reset switch   |   JP32   |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               |  Jumper  | Position  |
          |-------------------------------------+----------+-----------|
          | »  | Monitor type select            |   JP2    |   Open    |
          |    | monochrome/EGA                 |          |           |
          |----+--------------------------------+----------+-----------|
          |    | Monitor type select color      |   JP2    |  Closed   |
          |------------------------------------------------------------|
          | Note:JP21 is also used to set cache size, therefore its    |
          | setting will vary when cache is enabled.                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 512KB | (2) 256K x  |    NONE    |    NONE    |    NONE    |
          |       |      9      |            |            |            |
          |-------+-------------+------------+------------+------------|
          |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          | 1.5MB | (2) 256K x  | (2) 256K x | (2) 256K x |    NONE    |
          |       |      9      |     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    |
          |-------+-------------+------------+------------+------------|
          | 2.5MB | (2) 256K x  | (2) 1M x 9 |    NONE    |    NONE    |
          |       |      9      |            |            |            |
          |-------+-------------+------------+------------+------------|
          |  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 |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (2) 4M x 9  |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  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    |
          |-------+-------------+------------+------------+------------|
          | 18MB  | (2) 1M x 9  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 20MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 4M x 9 | (2) 4M x 9 |
          |-------+-------------+------------+------------+------------|
          | 24MB  | (2) 4M x 9  | (2) 4M x 9 | (2) 4M x 9 |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 26MB  | (2) 1M x 9  | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |
          |-------+-------------+------------+------------+------------|
          | 32MB  | (2) 4M x 9  | (2) 4M x 9 | (2) 4M x 9 | (2) 4M x 9 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    16KB    |  (2) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |    32KB    |  (2) 8K x 8   |  (2) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (2) 32K x 8  |     NONE      |  (1) 32K x 8  |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (2) 32K x 8  |  (2) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |Size |JP3 |JP10 |JP16|JP17|JP18|JP19|JP20|JP21| JP27 | JP29 |
          |-----+----+-----+----+----+----+----+----+----+------+------|
          |16KB |1 & |1 & 2|1 & |Open|1 & |1 & |1 & |1 & | Open |Closed|
          |     | 2  |     | 2  |    | 2  | 2  | 2  | 2  |      |      |
          |-----+----+-----+----+----+----+----+----+----+------+------|
          |32KB |1 & |1 & 2|1 & |1 & |2 & |2 & |2 & |2 & |Closed| Open |
          |     | 2  |     | 2  | 2  | 3  | 3  | 3  | 3  |      |      |
          |-----+----+-----+----+----+----+----+----+----+------+------|
          |64KB |2 & |2 & 3|1 & |Open|2 & |1 & |1 & |1 & | Open |Closed|
          |     | 3  |     | 2  |    | 3  | 2  | 2  | 2  |      |      |
          |-----+----+-----+----+----+----+----+----+----+------+------|
          |128KB|2 & |2 & 3|2 & |2 & |2 & |2 & |2 & |2 & |Closed| Open |
          |     | 3  |     | 3  | 3  | 3  | 3  | 3  | 3  |      |      |
          |------------------------------------------------------------|
          |Note:Pins designated should be in the closed position.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Setting  |   JP4   |   JP5   |   JP6   |   JP7   |  JP8   |
          |-----------+---------+---------+---------+---------+--------|
          |  Enabled  |  1 & 2  |  1 & 2  |  Open   |  Open   |  Open  |
          |-----------+---------+---------+---------+---------+--------|
          | Disabled  |  2 & 3  |  2 & 3  | Closed  | Closed  | Closed |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          | Setting |  JP9   |  JP11  |  JP12  | JP13  | JP14  | JP15  |
          |---------+--------+--------+--------+-------+-------+-------|
          | Enabled |  Open  |  Open  |  Open  | 1 & 2 | Open  | Open  |
          |---------+--------+--------+--------+-------+-------+-------|
          |Disabled | Closed | Closed | Closed | Open  |Closed |Closed |
          |------------------------------------------------------------|
          |Note:Pins designated should be in the closed position.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             CACHE JUMPER CONFIGURATION (CON’T)             |
          |------------------------------------------------------------|
          |Setting |  JP22  | JP23 |  JP24  |  JP25  |  JP26  |  JP28  |
          |--------+--------+------+--------+--------+--------+--------|
          |Enabled |  Open  | Open | Closed |  Open  |  Open  |  Open  |
          |--------+--------+------+--------+--------+--------+--------|
          |Disabled| Closed | Open |  Open  | Closed | Closed | Closed |
          +------------------------------------------------------------+