KOUWELL ELECTRONIC CORPORATION
==============================

   FR-486

   Processor             80486SX/80487SX/80486DX                  
   Processor Speed       20/25/33/50MHz                           
   Chip Set              OPTI                                     
   Max. Onboard DRAM     64MB                                     
   Cache                 64/128/256/512KB                         
   BIOS                  AMI                                      
   Dimensions            355mm x 304mm                            
   I/O Options           None                                     
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/I-L/30387-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |    J1    | Turbo LED      |   JP10   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   J21    | Reset switch   |   SW1    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   J22    | Turbo switch   |   SW2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Monitor type select color        |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |>> | Power good signal detect from    | JP400  | pins 1 & 2 |
   |   | power supply                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Power good signal detect from    | JP400  | pins 2 & 3 |
   |   | board                            |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
   |------+-------------+-------------+------------+------------|
   | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 5MB  | (4) 256K x  | (4) 1M x 9  |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (4) 256K x  | (4) 256K x  | (4) 1M x 9 |    NONE    |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 9MB  | (4) 256K x  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 10MB | (4) 256K x  | (4) 256K x  | (4) 1M x 9 | (4) 1M x 9 |
   |      |      9      |      9      |            |            |
   |------+-------------+-------------+------------+------------|
   | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 13MB | (4) 256K x  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 4M x 9  |    NONE     |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 20MB | (4) 1M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 24MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 28MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |
   |------+-------------+-------------+------------+------------|
   | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 36MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 40MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 | (4) 4M x 9 |
   |------+-------------+-------------+------------+------------|
   | 48MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 52MB | (4) 1M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
   |------+-------------+-------------+------------+------------|
   | 64MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |     Bank 0     |     Bank 1     |      TAG       |
   |---------+----------------+----------------+----------------|
   |  64KB   |   (8) 8K x 8   |      NONE      |   (1) 8K x 8   |
   |---------+----------------+----------------+----------------|
   |  128KB  |   (8) 8K x 8   |   (8) 8K x 8   |   (1) 8K x 8   |
   |---------+----------------+----------------+----------------|
   |  256KB  |  (8) 32K x 8   |      NONE      |  (1) 32K x 8   |
   |---------+----------------+----------------+----------------|
   |  512KB  |  (8) 32K x 8   |  (8) 32K x 8   |  (1) 32K x 8   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size   |   JP4    |   JP5    |   JP6   |   JP8   |  JP9   |
   |---------+----------+----------+---------+---------+--------|
   |  64KB   |   Open   |   Open   |  Open   |  Open   | 2 & 3  |
   |---------+----------+----------+---------+---------+--------|
   |  128KB  |   Open   |   Open   | Closed  | Closed  | 2 & 3  |
   |---------+----------+----------+---------+---------+--------|
   |  256KB  |   Open   |  Closed  | Closed  | Closed  | 2 & 3  |
   |---------+----------+----------+---------+---------+--------|
   |  512KB  |  Closed  |  Closed  | Closed  | Closed  | 1 & 2  |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   |       JP100       |  JP101  |       JP102       |
   |----------+-------------------+---------+-------------------|
   | 80486DX  | pins 1 & 2 closed | Closed  | pins 2 & 3 closed |
   |----------+-------------------+---------+-------------------|
   | 80487SX  | pins 1 & 2 closed | Closed  | pins 1 & 2 closed |
   |----------+-------------------+---------+-------------------|
   | 80486SX  | pins 2 & 3 closed |  Open   |       Open        |
   +------------------------------------------------------------+