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

   NESXA MOTHERBOARD

   Processor             80386SX/CX486SLC                         
   Processor Speed       25/33/40MHz                              
   Chip Set              ALI                                      
   Max. Onboard DRAM     16MB                                     
   Cache                 None                                     
   BIOS                  AMI                                      
   Dimensions            220mm x 170mm                            
   I/O Options           None                                     
   NPU Options           80387SX/CX83S87                          

<gopher://bitreich.org/I/th99/m/C-D/31290-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location  | Purpose         | Location  |
   |------------------+-----------+-----------------+-----------|
   | External battery | J4 pins 1 | Turbo LED       | J8 pins 1 |
   |                  |    & 4    |                 |    & 2    |
   |------------------+-----------+-----------------+-----------|
   | Reset switch     |    J6     | Turbo switch    | J8 pins 3 |
   |                  |           |                 |    & 4    |
   |------------------+-----------+-----------------+-----------|
   | Speaker          |    J7     | Power LED &     |    J9     |
   |                  |           | keylock         |           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Monitor type select monochrome   |  JP4   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |  JP4   | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Battery select internal (normal  |   J4   | pins 2 & 3 |
   |   | operation)                       |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Battery select external (normal  |   J4   | pins 1 & 4 |
   |   | operation)                       |        | connected  |
   |---+----------------------------------+--------+------------|
   |   | CMOS memory clear                |   J4   | pins 3 & 4 |
   |   |                                  |        |   closed   |
   +------------------------------------------------------------+

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