ABIT COMPUTER CORPORATION
=========================

   386DX-FA3

   Processor             80386DX/CX486DLC                         
   Processor Speed       33/40MHz                                 
   Chip Set              ALI                                      
   Max. Onboard DRAM     32MB                                     
   Cache                 64/256KB                                 
   BIOS                  AMI                                      
   Dimensions            240mm x 220mm                            
   I/O Options           None                                     
   NPU Options           80387/CX87DLC/3167                       

<gopher://bitreich.org/I/th99/m/S-T/35057-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose          | Location  |
   |------------------+----------+------------------+-----------|
   | External battery |    J4    | Turbo switch     | J7 pins 1 |
   |                  |          |                  |    & 2    |
   |------------------+----------+------------------+-----------|
   | Reset switch     |    J5    | Turbo LED        | J7 pins 4 |
   |                  |          |                  |    & 5    |
   |------------------+----------+------------------+-----------|
   | Speaker          |    J6    | Power LED &      |    J8     |
   |                  |          | keylock          |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP1   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP1   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP2   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Factory configured - do not      |  JP8   | pins 2 & 3 |
   |   | alter                            |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |    (4) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (4) 1M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |      TAG      |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  |              JP5               |        JP6        |
   |-------+--------------------------------+-------------------|
   | 64KB  |              Open              | pins 1 & 2 closed |
   |-------+--------------------------------+-------------------|
   | 256KB |    pins 1 & 2, 3 & 4, 5 & 6    | pins 1 & 2 closed |
   |       |             closed             |                   |
   +------------------------------------------------------------+