UNIDENTIFIED
============

   386 MOTHERBOARD

   Processor    80386SX                                           
   Processor    16/25MHz                                          
   Speed        
   Chip Set     C & T                                             
   Max. Onboard 8MB                                               
   DRAM         
   Cache        None                                              
   BIOS         AMI                                               
   Dimensions   254mm x 218mm                                     
   I/O Options  32-bit external memory cards (2)                  
   NPU Options  80287/80387SX/3167 (location of the 80287 is      
                unidentified)                                     

<gopher://bitreich.org/I/th99/m/U-Z/33158-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |   CN1    | Reset switch     |   J19    |
   |-------------------+----------+------------------+----------|
   | Turbo switch      |   J16    | Turbo LED        |   J22    |
   |-------------------+----------+------------------+----------|
   | Power LED &       |   J17    | 32-bit system    |  SL1 &   |
   | keylock           |          | memory cards     |   SL2    |
   |-------------------+----------+------------------+----------|
   | Speaker           |   J18    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | Factory configured - do not      |  CN2   |    N/A     |
   |   | alter                            |        |            |
   |---+----------------------------------+--------+------------|
   |   | 80287 not installed              |  JP1   |    Open    |
   |---+----------------------------------+--------+------------|
   |   | 80287 installed                  |  JP1   |   Closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select color        |  JP3   | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Monitor type select monochrome   |  JP3   | pins 2 & 3 |
   |   |                                  |        |   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        |
   |------------------+--------------------+--------------------|
   |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         NPU TYPE CONFIGURATION (80387/WEITEK ONLY)         |
   |------------------------------------------------------------|
   |       Setting        |       JP11       |       JP12       |
   |----------------------+------------------+------------------|
   |  NPU not installed   |       Open       |       Open       |
   |----------------------+------------------+------------------|
   |    NPU installed     |      Closed      |      Closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                MISCELLANEOUS TECHNICAL NOTE                |
   |------------------------------------------------------------|
   | Note: The location of pin 1 is unidentified.               |
   +------------------------------------------------------------+