LEADING EDGE PRODUCTS, INC.

MODEL D2/LPS

Processor              80286
Processor Speed        8/12MHz
Chip Set               C & T
Max. Onboard DRAM      4MB
Cache                  None
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, PS/2 mouse port, serial port, video port
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Keylock                      J14      VGA port                   J43

  Turbo LED                    J15      Parallel port              J44

  Power LED                    J16      Serial port                J46

  IDE interface                J22      PS/2 mouse port            J48

  Floppy drive interface       J23

  Note:The exact locations of J14, J15, and J16 are unknown.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   IDE interface enabled                   J17             Closed

      IDE interface disabled                  J17              Open

  »   NPU speed 10MHz                         J18              Open

      NPU speed 12.5MHz                       J18             Closed

  »   VGA controller enabled                  J26             Closed

      VGA controller disabled                 J26              Open

  »   Floppy drive interface enabled          J27             Closed

      Floppy drive interface disabled         J27              Open

  Note:The exact location of J26 is unknown.

                         SERIAL PORT CONFIGURATION

      Setting        IRQ        J32        J37        J39          J40

  »     Enabled       4       Closed      pins 2     Closed      Closed
                                           & 3

        Enabled       3       Closed      pins 1     Closed      Closed
                                           & 2

       Disabled      N/A       Open        Open       N/A          N/A

       Disabled       3         N/A        N/A        Open        Open

       Disabled       4         N/A        N/A        Open        Open

  Note:Pins designated should be in the closed position.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

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

      2MB         (2) 1M x 9         NONE

      4MB         (2) 1M x 9      (2) 1M x 9

                         DRAM JUMPER CONFIGURATION

      Size              J5                  J7                 J21

      1MB            pins 1 & 2            Open               Open
                      closed

      2MB              Open             pins 1 & 2            Open
                                          closed

      4MB            pins 1 & 2         pins 1 & 2      pins 1 & 2 closed
                      closed              closed

                            VESA CONFIGURATION

              Wait states                               J2

  »             0 wait states                         Closed

                1 wait state                           Open

                        PARALLEL PORT CONFIGURATION

        Setting               IRQ             J38               J42

  »        Enabled            IRQ7           Closed           Closed

          Disabled            None            Open             Open

  Note:To disable IRQ7, J41 should be left open.

                          VIDEO INTERRUPT SELECT

                  IRQ9                                  J47

  »                Enabled                            Closed

                  Disabled                             Open

                        PS/2 MOUSE INTERRUPT SELECT

    Interrupt          J33           J34           J35            J36

  »      IRQ5        Closed         Closed        Closed        Closed

         IRQ3         Open          Closed         Open         Closed

         IRQ4         Open          Closed        Closed         Open

         IRQ9         Open           Open         Closed        Closed