DIGITAL EQUIPMENT CORPORATION
=============================

   PC 386SX CE (P3348)

   Processor        80386SX                                       
   Processor Speed  20MHz                                         
   Chip Set         Unidentified                                  
   Video Chip Set   Unidentified                                  
   Maximum Onboard  8MB                                           
   Memory           
   Maximum Video    Unidentified                                  
   Memory           
   Cache            None                                          
   BIOS             Unidentified                                  
   Dimensions       254mm x 218mm                                 
   I/O Options      Floppy drive interfaceIDE interface, parallel 
                    port, serial ports (2), VGA feature           
                    connector, VGA port, TTL video port, riser    
                    slot                                          
   NPU Options      80387SX                                       

<gopher://bitreich.org/I/th99/m/C-D/33997-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose            | Location | Purpose         | Location |
   |--------------------+----------+-----------------+----------|
   | Floppy drive       |    J2    | VGA port        |    J8    |
   | interface          |          |                 |          |
   |--------------------+----------+-----------------+----------|
   | IDE interface      |    J3    | TTL video port  |    J9    |
   |--------------------+----------+-----------------+----------|
   | Parallel port      |    J5    | Front panel     |   J20    |
   |                    |          | connector       |          |
   |--------------------+----------+-----------------+----------|
   | Serial port 2      |    J6    | VGA feature     |   JY1    |
   |                    |          | connector       |          |
   |--------------------+----------+-----------------+----------|
   | Serial port 1      |    J7    | Riser slot      |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Normal mode enabled             | SW1/1 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Manufacturing mode enabled      | SW1/1 |      On      |
   |---+---------------------------------+-------+--------------|
   |>> | Normal mode enabled             | SW1/2 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Burn in mode enabled            | SW1/2 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | Video speed select fast         | SW1/3 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Video speed select slow         | SW1/3 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | Monitor type select monochrome  | SW1/4 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Monitor type select color       | SW1/4 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | On board video enabled          | SW1/5 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | On board video disabled         | SW1/5 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Floppy drive interface enabled  | SW1/6 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | Floppy drive interface disabled | SW1/6 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | IDE interface enabled           | SW1/7 |      On      |
   |---+---------------------------------+-------+--------------|
   |   | IDE interface disabled          | SW1/7 |     Off      |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     | SW1/8 | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Factory configured - do not     | SW2/6 | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Clock signal to NPU equals CPU  |  W2   |  Pins 2 & 3  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Clock signal to NPU does not    |  W2   |  Pins 1 & 2  |
   |   | equal CPU                       |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | NPU synchronous with CPU        |  W3   |    Closed    |
   |---+---------------------------------+-------+--------------|
   |   | NPU asynchronous with CPU       |  W3   |     Open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |   (1) 256K x 36    |        None        |
   |------------------+--------------------+--------------------|
   |       2MB        |   (1) 256K x 36    |   (1) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       4MB        |    (1) 1M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       5MB        |   (1) 256K x 36    |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 1M x 36     |    (1) 1M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |  VIDEO SELECTION (VGA CONTROLLER ONLY ADAPTER IN SYSTEM)   |
   |------------------------------------------------------------|
   |   Monitor    |  SW2/1  |  SW2/2  |  SW2/3  | SW2/4 | SW2/5 |
   |--------------+---------+---------+---------+-------+-------|
   |      On      |   Off   |   Off   |   On    |  Off  |  Off  |
   |--------------+---------+---------+---------+-------+-------|
   | ED 350 line  |   Off   |   On    |   On    |  Off  |  Off  |
   |--------------+---------+---------+---------+-------+-------|
   | ED 200 line  |   On    |   On    |   On    |  Off  |  Off  |
   |--------------+---------+---------+---------+-------+-------|
   |  CD 80 x 25  |   Off   |   Off   |   Off   |  On   |  Off  |
   |--------------+---------+---------+---------+-------+-------|
   |  CD 40 x 25  |   On    |   Off   |   Off   |  On   |  Off  |
   |--------------+---------+---------+---------+-------+-------|
   |    Analog    |   N/A   |   N/A   |   N/A   |  N/A  |  On   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |    VIDEO SELECTION (VGA CONTROLLER AS PRIMARY ADAPTER)     |
   |------------------------------------------------------------|
   |   Primary    |   Secondary   |SW2/1|SW2/2|SW2/3|SW2/4|SW2/5|
   |--------------+---------------+-----+-----+-----+-----+-----|
   |  Monochrome  | Color 80 x 25 | Off | Off | On  | Off | Off |
   |              |    or none    |     |     |     |     |     |
   |--------------+---------------+-----+-----+-----+-----+-----|
   |  Monochrome  | Color 40 x 25 | On  | Off | On  | Off | Off |
   |              |    or none    |     |     |     |     |     |
   |--------------+---------------+-----+-----+-----+-----+-----|
   | Enhanced 350 | Monochrome or | Off | On  | On  | Off | Off |
   |     line     |     none      |     |     |     |     |     |
   |--------------+---------------+-----+-----+-----+-----+-----|
   | Enhanced 200 | Monochrome or | On  | On  | On  | Off | Off |
   |     line     |     none      |     |     |     |     |     |
   |--------------+---------------+-----+-----+-----+-----+-----|
   |Color 80 x 25 | Monochrome or | Off | Off | Off | On  | Off |
   |              |     none      |     |     |     |     |     |
   |--------------+---------------+-----+-----+-----+-----+-----|
   |Color 40 x 25 | Monochrome or | On  | Off | Off | On  | Off |
   |              |     none      |     |     |     |     |     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |    VIDEO SELECTION(VGA CONTROLLER AS SECONDARY ADAPTER)    |
   |------------------------------------------------------------|
   |   Primary   |   Secondary    |SW2/1|SW2/2|SW2/3|SW2/4|SW2/5|
   |-------------+----------------+-----+-----+-----+-----+-----|
   |Color 80 x 25|   Monochrome   | Off | On  | Off | On  | Off |
   |-------------+----------------+-----+-----+-----+-----+-----|
   |Color 40 x 25|   Monochrome   | On  | On  | Off | On  | Off |
   |-------------+----------------+-----+-----+-----+-----+-----|
   | Monochrome  |  Enhanced 350  | Off | Off | On  | On  | Off |
   |             |      line      |     |     |     |     |     |
   |-------------+----------------+-----+-----+-----+-----+-----|
   | Monochrome  |  Enhanced 200  | On  | Off | On  | On  | Off |
   |             |      line      |     |     |     |     |     |
   |-------------+----------------+-----+-----+-----+-----+-----|
   | Monochrome  | Color 80 x 25  | Off | On  | On  | On  | Off |
   |-------------+----------------+-----+-----+-----+-----+-----|
   | Monochrome  | Color 40 x 25  | On  | On  | On  | On  | Off |
   +------------------------------------------------------------+