CHAINTECH COMPUTER COMPANY, LTD.
================================

   333AC/340AC/333ACB/340ACB

   Processor         80386DX/CX486DLC                             
   Processor Speed   33/40MHz                                     
   Chip Set          ALI                                          
   Max. Onboard DRAM 32MB                                         
   Cache             64/128/256KB                                 
   BIOS              AMI                                          
   Dimensions        240mm x 220mm                                
   I/O Options       None                                         
   NPU Options       80387DX/CX487DLC/3167                        

<gopher://bitreich.org/I/th99/m/C-D/32319-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |    J4    | Turbo switch      | J7 (pins |
   |                  |          |                   |   1&2)   |
   |------------------+----------+-------------------+----------|
   | Reset switch     |    J5    | Turbo LED         | J7 (pins |
   |                  |          |                   |   4&5)   |
   |------------------+----------+-------------------+----------|
   | Speaker          |    J6    | Power LED &       |    J8    |
   |                  |          | keylock           |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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        |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   +------------------------------------------------------------+

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

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   | Size  | JP5 (pins 1 | JP5 (pins | JP5 (pins |     JP6      |
   |       |    & 2)     |  3 & 4)   |  5 & 6)   |              |
   |-------+-------------+-----------+-----------+--------------|
   | 64KB  |    Open     |   Open    |   Open    |  pins 1 & 2  |
   |       |             |           |           |    closed    |
   |-------+-------------+-----------+-----------+--------------|
   | 128KB |   Closed    |  Closed   |   Open    |  pins 2 & 3  |
   |       |             |           |           |    closed    |
   |-------+-------------+-----------+-----------+--------------|
   | 256KB |   Closed    |  Closed   |  Closed   |  pins 1 & 2  |
   |       |             |           |           |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU TYPE CONFIGURATION                   |
   |------------------------------------------------------------|
   |     Type      |     JP9      |     JP10     |     JP11     |
   |---------------+--------------+--------------+--------------|
   |    80386DX    |     Open     |     Open     |     Open     |
   |---------------+--------------+--------------+--------------|
   |   CX486DLC    |    Closed    |    Closed    |    Closed    |
   +------------------------------------------------------------+