COMPAQ COMPUTER CORPORATION

DESKPRO 286N

Processor               80286
Processor Speed         12MHz
Chip Set                Compaq
Max. Onboard DRAM       13MB (on system memory card)
Cache                   None
BIOS                    Compaq
Dimensions              282mm x 191mm
I/O Options             Proprietary system memory card slot, VGA port,
                        parallel port, serial port, bus mouse port, IDE
                        interface, floppy drive/tape drive interface
NPU Options             80287

CPU MODULE (Model 001448)

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                   Location

  Bus mouse port            CN1       VGA port                     CN4

  Parallel port             CN2       Proprietary system           MEM
                                      memory card slot

  Serial port               CN3

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

  »   Factory configured - do not            E6                 Open
      alter

  »   Factory configured - do not            E7                 Open
      alter

  »   Onboard VGA controller                SW1/1                On
      enabled

      Onboard VGA controller                SW1/1               Off
      disabled

  »   Setup enabled (ROM resident)          SW1/2                On

      Setup disabled (ROM                   SW1/2               Off
      resident)

  »   External boot enabled                 SW1/3                On

      External boot disabled                SW1/3               Off

  »   Power-on password enabled             SW1/4                On

      Power-on password disabled            SW1/4               Off

  »   NPU speed select 8MHz                 SW1/5                On

      NPU speed select 12MHz                SW1/5                On

  »   Floppy drive write enabled            SW1/6                On

      Floppy drive write disabled           SW1/6               Off

BACKPLANE BOARD (Model 001451)

[Image]

                                CONNECTIONS

  Purpose                     Location    Purpose                Location

  CPU module                    CN1       IDE interface            IDE

  5.25 Floppy drive             FD1       Fan power                P0
  interface

  3.5 Floppy drive              FD2       IDE drive/5.25 drive     P1
  interface/power                         power

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Fan speed select automatic               E1            pins 2 & 3
      (thermostat enabled)                                    closed

      Fan speed select high (thermostat        E1            pins 1 & 2
      disabled)                                               closed