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

   386DX NON-CACHE MAINBOARD (PGA)

   Processor              80386DX                                 
   Processor Speed        25/33/40MHz                             
   Chip Set               Unidentified                            
   Video Chip Set         None                                    
   Maximum Onboard Memory 32MB                                    
   Maximum Video Memory   None                                    
   Cache                  None                                    
   BIOS                   AMI                                     
   Dimensions             254mm x 218mm                           
   I/O Options            None                                    
   NPU Options            80387DX/3167                            

<gopher://bitreich.org/I/th99/m/U-Z/33556-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose             | Location | Purpose        | Location |
   |---------------------+----------+----------------+----------|
   | External battery    |   JP2    | Reset switch   |   JP9    |
   |---------------------+----------+----------------+----------|
   | Speaker             |   JP7    | Turbo switch   |   JP10   |
   |---------------------+----------+----------------+----------|
   | Power LED & keylock |   JP8    | Turbo LED      |   JP11   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Label |   Position    |
   |------------------------------------+-------+---------------|
   |>> | CMOS memory normal operation   |  JP3  |  Pins 1 & 2   |
   |   |                                |       |    closed     |
   |---+--------------------------------+-------+---------------|
   |   | CMOS memory clear              |  JP3  |  Pins 2 & 3   |
   |   |                                |       |    closed     |
   |---+--------------------------------+-------+---------------|
   |   | Monitor type select color      |  JP6  |    Closed     |
   |---+--------------------------------+-------+---------------|
   |   | Monitor type select monochrome |  JP6  |     Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     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     |
   |------------------+--------------------+--------------------|
   |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
   |------------------------------------------------------------|
   | Note: The location of banks 0 & 1 are unidentified.        |
   +------------------------------------------------------------+