MORSE TECHNOLOGIES, INC.

P1

Processor         80486SX/80487SX/80486DX
Processor Speed   16/20/25/33MHz
Chip Set          Morse
Max. Onboard DRAM 16MB
Cache             64/128/256KB
BIOS              AMI/Award
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP2       Turbo LED                 JP16

  Power LED & keylock         JP14      Speaker                   JP17

  Turbo switch                JP15      Reset switch              JP18

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Battery select internal 3.6VDC           JP4            Closed

      Battery select external 6VDC             JP4             Open

  »   Parity check enabled                     JP5            Closed

      Parity check disabled                    JP5             Open

  »   Monitor type select color                JP6            Closed

      Monitor type select monochrome           JP6             Open

  »   CMOS memory normal operation             JP7             Open

      CMOS memory clear                        JP7            Closed

  »   Keyboard diagnostic disabled            JP19             Open

      Keyboard diagnostic enabled             JP19            Closed

  Note:Locations of JP5, JP6, JP7, & JP19 are unidentified.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                           CACHE CONFIGURATION

     Size         Bank 0         Bank 1       TAG (U26)      TAG (U42)

     64KB       (4) 8K x 8     (4) 8K x 8     (1) 8K x 8       NONE

    128KB          NONE       (4) 32K x 8     (1) 8K x 8       NONE

    256KB       (4) 32K x 8   (4) 32K x 8     (1) 8K x 8    (1) 8K x 8

                  SRAM JUMPER CONFIGURATION

  Size      JP8A      JP8B       JP8D      JP8E       JP8F

  64KB     2 & 3      2 & 3     2 & 3      2 & 3     2 & 3

  128KB    1 & 2      1 & 2     1 & 2      1 & 2     2 & 3

  256KB    2 & 3      1 & 2     2 & 3      1 & 2     1 & 2

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

      Type              JP12               JP13               JP30

    80486SX          Pins 2 & 3         pins 2 & 3            Open
                       closed             closed

    80487SX          pins 1 & 2         pins 1 & 2      pins 2 & 3 closed
                       closed             closed

    80486DX          pins 1 & 2         pins 1 & 2      pins 1 & 2 closed
                       closed             closed

  Note:When changing the CPU, the Oscillator at Y2 must also be changed
  so that its speed is equal

  to twice the speed of the processor. e.g. A 25MHz CPU would require a
  50MHz Oscillator.