
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

