ABC COMPUTER COMPANY, LTD.
==========================

   COMPACT 286 VER. 3.0

   Processor          80286                                       
   Processor Speed    20MHz                                       
   Chip Set           C & T                                       
   Max. Onboard DRAM  8MB                                         
   Cache              None                                        
   BIOS               AMI                                         
   Dimensions         330mm x 218mm                               
   I/O Options        None                                        
   NPU Options        80287                                       

<gopher://bitreich.org/I/th99/m/A-B/30076-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose        | Location | Purpose             | Location |
   |----------------+----------+---------------------+----------|
   | Turbo LED      |    E3    | External battery    |   J17    |
   |----------------+----------+---------------------+----------|
   | Reset switch   |    E6    | Speaker             |   J19    |
   |----------------+----------+---------------------+----------|
   | MIPS counter   |    E8    | Power LED & keylock |   J21    |
   |----------------+----------+---------------------+----------|
   | Speed LED      |   J15    |                     |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Jumper  |  Position  |
   |-------------------------------------+---------+------------|
   |>> | NPU speed select fast           | E1 & E2 | pins 1 & 2 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | NPU speed select slow           | E1 & E2 | pins 2 & 3 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |>> | BIOS type select 27128          |   E4    | pins 1 & 2 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | BIOS type select 27256          |   E4    | pins 2 & 3 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |>> | CMOS memory normal operation    |   E5    | pins 2 & 3 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | CMOS memory clear               |   E5    | pins 1 & 2 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |>> | Reset enabled through hardware  |   E7    | pins 2 & 3 |
   |   | and keyboard                    |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | Reset enabled through hardware  |   E7    | pins 1 & 2 |
   |   | only                            |         |   closed   |
   |---+---------------------------------+---------+------------|
   |>> | Monitor type select monochrome  |   SW1   |    Open    |
   |---+---------------------------------+---------+------------|
   |   | Monitor type select color       |   SW1   |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |   Bank 0    |   Bank 1   |   Bank 2   |  Bank 3  |
   |---------+-------------+------------+------------+----------|
   |  512KB  | (2) 256K x  |    NONE    |    NONE    |   NONE   |
   |         |      9      |            |            |          |
   |---------+-------------+------------+------------+----------|
   |  640KB  | (2) 256K x  | (2) 64K x  |    NONE    |   NONE   |
   |         |      9      |     9      |            |          |
   |---------+-------------+------------+------------+----------|
   | 1M x 9B | (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      |          |
   |---------+-------------+------------+------------+----------|
   | 1.64MB  | (2) 256K x  | (2) 64K x  | (2) 256K x | (2) 256K |
   |         |      9      |     9      |     9      |   x 9    |
   |---------+-------------+------------+------------+----------|
   |   2MB   | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K |
   |         |      9      |     9      |     9      |   x 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   |
   |---------+-------------+------------+------------+----------|
   | 4.64MB  | (2) 256K x  | (2) 64K x  | (2) 1M x 9 | (2) 1M x |
   |         |      9      |     9      |            |    9     |
   |---------+-------------+------------+------------+----------|
   |   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     |
   +------------------------------------------------------------+