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

   C386MX

   Processor         80386DX/CX486DLC                             
   Processor Speed   33/40MHz                                     
   Chip Set          MXIC                                         
   Max. onboard DRAM 32MB                                         
   Cache             None                                         
   BIOS              AMI                                          
   Dimensions        254mm x 218mm                                
   I/O Options       None                                         
   NPU Options       80387DX/CX487DLC/3167                        

<gopher://bitreich.org/I/th99/m/C-D/31622-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |  BATT2   | Turbo switch     |   CN4    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   CN1    | Turbo LED        |   CN5    |
   | keylock           |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Speaker           |   CN2    | External         |   KB2    |
   |                   |          | Keyboard         |          |
   |-------------------+----------+------------------+----------|
   | Reset switch      |   CN3    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |         Function          | Jumper/Switch |    Position    |
   |---------------------------+---------------+----------------|
   |>> | CMOS memory normal    |     BATT2     |   pins 2 & 3   |
   |   | operation (Internal   |               |     closed     |
   |   | Battery)              |               |                |
   |---+-----------------------+---------------+----------------|
   |   | CMOS memory normal    |     BATT2     | Connect to 1 & |
   |   | operation (External   |               |       4        |
   |   | Battery)              |               |                |
   |---+-----------------------+---------------+----------------|
   |   | CMOS memory clear     |     BATT2     |   pins 1 & 2   |
   |   |                       |               |     closed     |
   |---+-----------------------+---------------+----------------|
   |>> | Monitor type select   |      C/M      |      Open      |
   |   | color                 |               |                |
   |---+-----------------------+---------------+----------------|
   |   | Monitor type select   |      C/M      |     Closed     |
   |   | monochrome            |               |                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CPU SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   |       Speed       |        JF0         |        JF1        |
   |-------------------+--------------------+-------------------|
   |       33MHz       |       Closed       |       Open        |
   |-------------------+--------------------+-------------------|
   |       40MHz       |        Open        |      Closed       |
   |------------------------------------------------------------|
   | Note:The locations of JFO and JF1 are unknown.             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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      |
   |------------------------------------------------------------|
   | Note:The locations of bank 0 and bank 1 may be different   |
   | on the system board.                                       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |            Type            |              J2               |
   |----------------------------+-------------------------------|
   |          80386DX           |       pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |          CX486DLC          |       pins 2 & 3 closed       |
   +------------------------------------------------------------+