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