CACHING TECH CORPORATION
========================

   BC3486F

   Processor         80386DX/80486SX/80487SX/80486DX/80486DX2     
   Processor Speed   16/20/25/33/40/50(internal)/66(internal)MHz  
   Chip Set          FOREX                                        
   Max. Onboard DRAM 32MB                                         
   Cache             64/128/256KB                                 
   BIOS              AMI                                          
   Dimensions        330mm x 218mm                                
   I/O Options       PS/2 mouse port                              
   NPU Options       80387SX                                      

<gopher://bitreich.org/I/th99/m/C-D/33047-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | PS/2 mouse port  |   CN1    | Turbo switch      |   JP15   |
   |------------------+----------+-------------------+----------|
   | External battery |   JP2    | Turbo LED         |   JP16   |
   |------------------+----------+-------------------+----------|
   | Reset switch     |   JP8    | Speaker           |   JP17   |
   |------------------+----------+-------------------+----------|
   | Power LED &      |   JP14   | External keyboard |   JP20   |
   | keylock          |          | connector         |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Monitor type select color |      JP6      |   Closed   |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |      JP6      |    Open    |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | On-board battery normal   |     JP23      | pins 1 & 2 |
   |   | operation                 |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | On-board battery          |     JP23      | pins 2 & 3 |
   |   | discharge                 |               |   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        |
   |------------------+--------------------+--------------------|
   |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (4) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  |   Bank 0    |   Bank 1   |    TAG0    |    TAG1    |
   |-------+-------------+------------+------------+------------|
   | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 8K x 8 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 128KB | (4) 32K x 8 |    NONE    | (1) 8K x 8 |    NONE    |
   |-------+-------------+------------+------------+------------|
   | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 8K x 8 | (1) 8K x 8 |
   |       |             |     8      |            |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Size  |  JP8A  |  JP8B  |  JP8C  |  JP8D  | JP8E  | JP8F  |
   |--------+--------+--------+--------+--------+-------+-------|
   |  64KB  | 2 & 3  | 2 & 3  | 1 & 2  | 2 & 3  | 2 & 3 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 128KB  | 1 & 2  | 2 & 3  | 1 & 2  | 1 & 2  | 1 & 2 | 1 & 2 |
   |--------+--------+--------+--------+--------+-------+-------|
   | 256KB  | 2 & 3  | 1 & 2  | 2 & 3  | 2 & 3  | 1 & 2 | 2 & 3 |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |   Type   | W1/A  | W1/B | W1/C | W1/D | W1/E | W1/F | W1/G |
   |----------+-------+------+------+------+------+------+------|
   | 80386DX  | 2 & 3 | 2 &  | 2 &  | 2 &  | 2 &  | 2 &  | 2 &  |
   |          |       |  3   |  3   |  3   |  3   |  3   |  3   |
   |----------+-------+------+------+------+------+------+------|
   | 80486SX  | 1 & 2 | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  |
   |          |       |  2   |  2   |  2   |  2   |  2   |  2   |
   |----------+-------+------+------+------+------+------+------|
   | 80487SX  | 1 & 2 | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  |
   |          |       |  2   |  2   |  2   |  2   |  2   |  2   |
   |----------+-------+------+------+------+------+------+------|
   | 80486DX  | 1 & 2 | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  |
   |          |       |  2   |  2   |  2   |  2   |  2   |  2   |
   |----------+-------+------+------+------+------+------+------|
   | 80486DX2 | 1 & 2 | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  |
   |          |       |  2   |  2   |  2   |  2   |  2   |  2   |
   |------------------------------------------------------------|
   | Note: Pins designated should be in the closed position.    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU TYPE CONFIGURATION (CON'T)               |
   |------------------------------------------------------------|
   |  Type  | W2/A | W2/B | W2/C | W2/D |W2/E |W2/F |W2/G |W2/H |
   |--------+------+------+------+------+-----+-----+-----+-----|
   |80386DX |2 & 3 |2 & 3 |2 & 3 |2 & 3 |2 & 3|2 & 3|2 & 3|2 & 3|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |80486SX |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|1 & 2|1 & 2|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |80487SX |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|1 & 2|1 & 2|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |80486DX |1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|1 & 2|1 & 2|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |80486DX2|1 & 2 |1 & 2 |1 & 2 |1 & 2 |1 & 2|1 & 2|1 & 2|1 & 2|
   |------------------------------------------------------------|
   |Note: Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               CPU TYPE CONFIGURATION (CON'T)               |
   |------------------------------------------------------------|
   |   Type   |      JP12      |      JP13      |     JP30      |
   |----------+----------------+----------------+---------------|
   | 80386DX  |      N/A       |      N/A       |      N/A      |
   |----------+----------------+----------------+---------------|
   | 80486SX  |   pins 2 & 3   |   pins 2 & 3   |     Open      |
   |          |     closed     |     closed     |               |
   |----------+----------------+----------------+---------------|
   | 80487SX  |   pins 1 & 2   |   pins 1 & 2   |  pins 2 & 3   |
   |          |     closed     |     closed     |    closed     |
   |----------+----------------+----------------+---------------|
   | 80486DX  |   pins 1 & 2   |   pins 1 & 2   |  pins 1 & 2   |
   |          |     closed     |     closed     |    closed     |
   |----------+----------------+----------------+---------------|
   | 80486DX2 |   pins 1 & 2   |   pins 1 & 2   |  pins 1 & 2   |
   |          |     closed     |     closed     |    closed     |
   +------------------------------------------------------------+