
DIGITAL EQUIPMENT CORPORATION

PC 386SX CE (P3348)

Processor                  80386SX
Processor Speed            20MHz
Chip Set                   Unidentified
Video Chip Set             Unidentified
Maximum Onboard Memory     8MB
Maximum Video Memory       Unidentified
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

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Floppy drive interface      J2       VGA port                    J8

  IDE interface               J3       TTL video port              J9

  Parallel port               J5       Front panel connector       J20

  Serial port 2               J6       VGA feature connector       JY1

  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 closed
      equal CPU

      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     Off     Off       On      Off     Off
                  25 or none

   Monochrome      Color 40 x     On      Off       On      Off     Off
                  25 or none

  Enhanced 350     Monochrome     Off      On       On      Off     Off
      line          or none

  Enhanced 200     Monochrome     On       On       On      Off     Off
      line          or none

  Color 80 x 25    Monochrome     Off     Off      Off      On      Off
                    or none

  Color 40 x 25    Monochrome     On      Off      Off      On      Off
                    or none

           VIDEO SELECTION(VGA CONTROLLER AS SECONDARY ADAPTER)

    Primary       Secondary      SW2/1   SW2/2    SW2/3    SW2/4   SW2/5

   Color 80 x     Monochrome     Off      On       Off      On      Off
       25

   Color 40 x     Monochrome      On      On       Off      On      Off
       25

   Monochrome    Enhanced 350    Off      Off      On       On      Off
                     line

   Monochrome    Enhanced 200     On      Off      On       On      Off
                     line

   Monochrome     Color 80 x     Off      On       On       On      Off
                      25

   Monochrome     Color 40 x      On      On       On       On      Off
                      25

