
WESTERN DIGITAL CORPORATION

WD386SX-LPX

Processor               80386SX
Processor Speed         16/20MHz
Chip Set                WD
Max. Onboard DRAM       32MB
Cache                   None
BIOS                    AMI/Award
Dimensions              330mm x 218mm
I/O Options             Parallel port, serial port (2), floppy drive
                        interface, IDE interface, VGA port, bus mouse
                        port, IBM video interface, proprietary bus
                        expansion slot
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Proprietary bus           J1        Parallel port               J10
  expansion card

  Mouse port                J4        IBM video interface         J11

  Reset switch              J6        VGA port                    J12

  Floppy drive              J7        IDE interface               J14
  interface

  Serial port 2             J8        Keyswitch/IDE               J15
                                      interface LED

  Serial port 1             J9        External speaker            J17

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation             W1              Open

      CMOS memory clear                        W1             Closed

     Factory configured - do not alter        W2              Open

     Factory configured - do not alter        W3             Closed

     Mouse interrupt enabled IRQ12            W4             Closed

      Mouse interrupt disabled IRQ12           W4              Open

     Monitor type select color                W5            pins 2 & 3
                                                              closed

      Monitor type select monochrome           W5            pins 1 & 2
                                                              closed

     VGA clock select internal                W6            pins 2 & 3
                                                              closed

      VGA clock select external                W6            pins 1 & 2
                                                              closed

     VGA port enabled                         W7            pins 2 & 3
                                                              closed

      VGA port disabled                        W7            pins 1 & 2
                                                              closed

     Monitor type select multisync            W8            pins 2 & 3
                                                              closed

      Monitor type select fixed                W8            pins 1 & 2
      frequency                                               closed

     Monitor type select AT compatible        W9            pins 2 & 3
                                                              closed

      Monitor type select PS/2                 W9            pins 1 & 2
      compatible                                              closed

     Speaker select internal                  W10           pins 1 & 2
                                                              closed

      Speaker select external                  W10           pins 2 & 3
                                                              closed

     IDE interface LED enabled                W11           pins 2 & 3
                                                              closed

      IDE interface LED disabled               W11           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

      1MB       (2) 256K x 9   (2) 256K x 9      NONE           NONE

      2MB       (2) 256K x 9   (2) 256K x 9   (2) 256K x 9  (2) 256K x 9

     2.5MB      (2) 256K x 9   (2) 1M x 9        NONE           NONE

      4MB        (2) 1M x 9    (2) 1M x 9        NONE           NONE

      5MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9     (2) 1M x 9

      8MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

