ZENITH DATA SYSTEMS

Z-2300

Processor              80286
Processor Speed        8MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 6MB
Maximum Video Memory   None
Cache                  None
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            Riser slot
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                    Location   Purpose                  Location

  Speaker/LED                  P506     External battery          P509

  Power supply                 P507     Riser slot                 SL1

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not          P501          Unidentified
      alter

                      DRAM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      1MB        (2) 256K x 9    (2) 256K x 9        None

     1.5MB       (2) 256K x 9    (2) 256K x 9    (2) 256K x 9

      2MB         (2) 1M x 9         None            None

     2.5MB        (2) 1M x 9     (2) 256K x 9        None

      3MB        (2) 256K x 9    (2) 256K x 9     (2) 1M x 9

      4MB         (2) 1M x 9      (2) 1M x 9         None

     4.5MB       (2) 256K x 9     (2) 1M x 9      (2) 1M x 9

      6MB         (2) 1M x 9      (2) 1M x 9      (2) 1M x 9

                         DRAM JUMPER CONFIGURATION

                  Size                                  J516

  »    256KB x 9 installed in banks 1 or         Pins 2 & 3 closed
                      2

       1M x 9 installed in banks 1, 2 or         Pins 1 & 2 closed
                      3

                            NPU SPEED SELECTION

                   Speed                                 J505

                      8MHz                         Pins 1 & 2 closed

           80287 oscillator (not used)             Pins 3 & 4 closed

           24MHz (not used)oscillator              Pins 5 & 6 closed

  »             16MHz oscillator                   Pins 7 & 8 closed

                14MHz oscillator                  Pins 9 & 10 closed

                          PARALLEL PORT SELECTION

      Setting        J501     J502     J503      J506     J511     J512

  »     Used as      1 & 2    1 & 2    1 & 2    1 & 2    1 & 2     1 & 2
        printer

        Used as      2 & 3    2 & 3    2 & 3    2 & 3    2 & 3     2 & 3
        scanner

  Note: Pins designated should be in the closed position.

                           CHIPSPAK IC SELECTION

                   Unit                                  J504

  »                    1                          Pins 1 & 2 closed

                       2                          Pins 3 & 4 closed

                       3                          Pins 5 & 6 closed

                       4                          Pins 7 & 8 closed

  »        IBM printer compatibility              Pins 9 &10 closed

                           PCI TRIGGER SELECTION

                Setting                                J510

  »           Color video card                   Pins 1 & 2 closed

  »              SCP control                     Pins 3 & 4 closed

                Keyboard type                Pins 5 & 6, 7 & 8 closed

               NPU clock mode                    Pins 9 &10 closed