BEK-TRONIC TECHNOLOGY, INC.
===========================

   BEK-4801/486WB

   Processor             80486DX                                  
   Processor Speed       33MHz                                    
   Chip Set              OPTI                                     
   Max. Onboard DRAM     64MB                                     
   Cache                 64/256KB                                 
   BIOS                  AMI                                      
   Dimensions            330mm x 218mm                            
   I/O Options           None                                     
   NPU Options           4167                                     

<gopher://bitreich.org/I/th99/m/U-Z/30994-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |   J11    | Turbo LED      |   SW1    |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   J20    | Reset switch   |   SW2    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   J21    |                |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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) 1 M x 9 |    NONE    |    NONE    |
   |      |      9      |             |            |            |
   |------+-------------+-------------+------------+------------|
   | 6MB  | (4) 256K x  | (4) 256K x  |  (1) 1M x  |    NONE    |
   |      |      9      |      9      |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 9MB  | (4) 256K x  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
   |      |      9      |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 10MB | (4) 256K x  | (4) 256K x  |  (1) 1M x  |  (1) 1M x  |
   |      |      9      |      9      |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 12MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 13MB | (4) 256K x  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |      9      |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 16MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 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  |  (1) 4M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 28MB | (4) 1M x 9  | (4) 1M x 9  |  (1) 1M x  |  (1) 4M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
   |------+-------------+-------------+------------+------------|
   | 36MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 40MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 1M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 46MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 4M x  |    NONE    |
   |      |             |             |     36     |            |
   |------+-------------+-------------+------------+------------|
   | 52MB | (4) 1M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 4M x  |
   |      |             |             |     36     |     36     |
   |------+-------------+-------------+------------+------------|
   | 64MB | (4) 4M x 9  | (4) 4M x 9  |  (1) 4M x  |  (1) 4M x  |
   |      |             |             |     36     |     36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |   TAG (U33)   |   TAG (U34)   |
   |------------+---------------+---------------+---------------|
   |    64KB    |  (8) 8K x 8   |  (1) 8K x 8   |  (1) 64K x 1  |
   |------------+---------------+---------------+---------------|
   |   256KB    |  (8) 32K x 8  |  (1) 32K x 8  |  (1) 64K x 1  |
   |------------------------------------------------------------|
   | Note : The location of U33 is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |   Size    |    JP8     |    JP9    |   JP10    |   JP11    |
   |-----------+------------+-----------+-----------+-----------|
   |   64KB    |    Open    |   Open    |   Open    |   Open    |
   |-----------+------------+-----------+-----------+-----------|
   |   256KB   |   Closed   |  Closed   |  Closed   |  Closed   |
   |------------------------------------------------------------|
   | Note:The location of the cache jumpers are unidentified.   |
   +------------------------------------------------------------+