EVERSOURCE COMPUTERS, INC.

HT18 386SX

Processor         80386SX
Processor Speed   16/20/25MHz
Chip Set          Headland
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI
Dimensions        220mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Turbo button                JP2      Turbo switch               JP10

  External battery            JP6      Power LED & keylock        JP11

  Reset switch                JP7      Speaker                    JP17

  Turbo LED                   JP9

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

                            DRAM CONFIGURATION

     Size          Bank 0        Bank 1         Bank 2         Bank 3

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

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

     1.5MB      (2) 256K x 9   (2) 256K x 9   (2) 256K x 9      NONE

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

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

      3MB       (2) 256K x 9   (2) 256K x 9   (2) 1M x 9        NONE

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

     4.5MB      (2) 256K x 9   (2) 1M x 9     (2) 1M x 9        NONE

      5MB       (2) 256K x 9   (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        NONE

      8MB        (2) 1M x 9    (2) 1M x 9     (2) 1M x 9     (2) 1M x 9

                        PIPELINE MODE CONFIGURATION

      Size          JP12          JP13           JP15           JP16

    Disabled        Open        pins 1 & 2     pins 2 & 3     pins 1 & 2
                                 closed         closed         closed

    Enabled        Closed       pins 2 & 3     pins 1 & 2     pins 2 & 3
                                 closed         closed         closed