PACKARD BELL

PB635

Processor         80286
Processor Speed   12MHz
Chip Set          C & T
Max. Onboard DRAM 1MB
Cache             None
BIOS              MH
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Reset switch                J1       Speaker                     J3

  Keylock                     J2

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

  »   NPU mode select synchronous with          J19          pins 1 & 2
      CPU                                                     closed

      NPU mode select asynchronous with         J19          pins 2 & 3
      CPU                                                     closed

                            DRAM CONFIGURATION

   Size         Bank 0         Bank 1          Bank 2          Bank 3

   512KB      (18) 41256        NONE            NONE            NONE

    1MB       (18) 41256     (18) 41256         NONE            NONE

    2MB       (18) 41256     (18) 41256      (2) 256K x 9   (2) 256K x 9

    3MB       (18) 41256     (18) 41256      (2) 1M x 9         NONE

    5MB       (18) 41256     (18) 41256      (2) 1M x 9      (2) 1M x 9

  Note:Banks 2 & 3 are used when an external memory card is installed.