DIGITAL EQUIPMENT CORPORATION

PC 386 CE (IPB1)

Processor                  80386SX
Processor Speed            16MHz
Chip Set                   Unidentified
Video Chip Set             None
Maximum Onboard Memory     4MB
Maximum Video Memory       None
Cache                      None
BIOS                       Unidentified
Dimensions                 220mm x 220mm
I/O Options                External memory slots (2), floppy drive
                           interface, SCSI interface, parallel port,
                           serial ports (2)
NPU Options                80387

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Front panel connector       P1       Serial port                 P8

  Speaker                     P2       Serial port                 P9

  Floppy drive interface      P4       SCSI interface             J19

  External battery            P6       External memory slots    SL1 & SL2

  Parallel port               P7

                        USER CONFIGURABLE SETTINGS

                Function                    Label           Position

  »   Factory configured - do not alter       J1          Unidentified

  »   Factory configured - do not alter       J2          Unidentified

  »   Factory configured - do not alter       J3          Unidentified

  »   Speaker volume select normal            W1              Open
      volume

      Speaker volume select low volume        W1             Closed

  »   SCSI clock speed select 8MHz           W11       Pins 1 & 2 closed

      SCSI clock speed select 16MHz          W11       Pins 2 & 3 closed

  »   Floppy drive pre-compensation          W13              Open
      mode 125ns

      Floppy drive pre-compensation          W13             Closed
      mode 187ns

  »   Logic ground is connected to           W20             Closed
      chassis ground

      Logic ground is not connected to       W20              Open
      chassis ground

  »   Parallel port IRQ select IRQ5          W21       Pins 1 & 2 closed

      Parallel port IRQ select IRQ7          W21       Pins 2 & 3 closed

      Normal mode enabled                   SW1/1             Off

      Manufacturing mode enabled            SW1/1              On

      PC mode enabled                       SW1/2             Off

      Terminal server mode enabled          SW1/2              On

      Video speed select slow               SW2/1             Off

      Video speed select fast               SW2/1              On

      Monitor type select color             SW2/2              On

      Monitor type select monochrome        SW2/2             Off

                         DRAM CONFIGURATION

    Size         Bank 0       Bank 1        Bank 2        Bank 3

     1MB          1MB          None          None          None

     2MB          1MB       (1) 1M x 9       None          None

     3MB          1MB       (1) 1M x 9    (1) 1M x 9       None

     4MB          1MB       (1) 1M x 9    (1) 1M x 9    (1) 1M x 9

  Note: Bank 0 is factory installed and is not configurable.

  DRAM JUMPER CONFIGURATION

   Size       W2       W3

   1MB       Open     Open

   2MB      Closed    Open

   3MB       Open    Closed

   4MB      Closed   Closed

                          FLOPPY DRIVE SELECTION

        Setting                W4              W6                W7

  »       Enabled            Closed          Closed            Closed

          Disabled            Open            Open              Open

                    FLOPPY DRIVE MOTOR SPEED SELECTION

           Speed                     W10                     W12

  »          Single           Pins 2 & 3 closed       Pins 2 & 3 closed

              Dual            Pins 1 & 2 closed       Pins 1 & 2 closed

        SCSI INTERRUPT SELECTION

   IRQ       W14       W15       W16

  IRQ10      Open     Open     Closed

  IRQ12      Open    Closed     Open

  IRQ14     Closed    Open      Open