
EVERSOURCE COMPUTERS, INC.

G2 80286

Processor         80286
Processor Speed   12/16MHz
Chip Set          Headland
Max. Onboard DRAM 4MB
Cache             None
BIOS              AMI/Award/Phoenix/Quadtel
Dimensions        220mm x 200mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Power LED & keylock         J8

  Reset switch                J6       Speaker                     J9

  Turbo LED                   J7       Turbo switch                J10

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     Monitor type select color                 J2            Closed

      Monitor type select monochrome            J2             Open

      BIOS type select 27256                    J3           pins 1 & 2
                                                              closed

      BIOS type select 27128                    J3           pins 2 & 3
                                                              closed

     NPU mode select synchronous with          J5           pins 1 & 2
      CPU                                                     closed

      NPU mode select asynchronous with         J5           pins 2 & 3
      CPU                                                     closed

                            DRAM CONFIGURATION

  Size      Bank        P-0       Bank 1       P-1       Bank 2    Bank 3
           0(DIP)    (parity)     (DIP)     (parity)     (SIP)     (SIP)

  512KB      (4)     (2) 41256     NONE       NONE       NONE      NONE
           44256

  512KB     NONE       NONE        NONE       NONE        (2)      NONE
                                                         256K x
                                                           9

  640KB      (4)     (2) 41256      (4)    (2) 41256     NONE      NONE
           44256                   4464

  640KB     NONE       NONE         (4)    (2) 41256      (2)      NONE
                                   4464                  256K x
                                                           9

  1MB        (4)     (2) 41256      (4)    (2) 41256     NONE      NONE
           44256                  44256

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

  2MB       NONE       NONE        NONE       NONE       (2) 1M    NONE
                                                          x 9

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

