EPSON, INC.

EQUITY 386SX/16 PLUS AND EQUITY 320SX PLUS

Processor               80386SX
Processor Speed         16/20MHz
Chip Set                VLSI TOPCAT
Max. Onboard DRAM       24MB
Cache                   None
BIOS                    AMI/Epson
Dimensions              3O4mm x 272mm
I/O Options             Floppy drive interface, IDE interface, parallel
                        port, serial port, VGA port
NPU Options             80387SX

[Image]

                                CONNECTIONS

  Purpose                    Location    Purpose                Location

  Battery connector             CN1      IDE interface             CN9

  Speaker                       CN2      Floppy drive             CN10
                                         interface

  Keyboard/mouse connector      CN4      Serial port (COM1)       CN11

  VGA connector                 CN5      HDD access LED           CN12

  Parallel port                 CN6      Power LED                CN13

  CPU/Power LED                 CN7

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Password enabled                         J2            pins 2 & 3
                                                              closed

      Password disabled                        J2            pins 2 & 3
                                                              closed

  »   Monitor type select color                J3            pins 1 & 2
                                                              closed

      Monitor type select monochrome           J3            pins 2 & 3
                                                              closed

  »   Mouse interface enabled                  J4            pins 1 & 2
                                                              closed

      Mouse interface disabled                 J4            pins 2 & 3
                                                              closed

                      DRAM CONFIGURATION

      Size          Bank 1          Bank 2          Bank 3

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

      4MB         (2) 1M x 9         NONE            NONE

      5MB         (2) 1M x 9     (2) 256K x 9    (2) 256K x 9

      6MB         (2) 1M x 9      (2) 1M x 9         NONE

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

      10MB        (2) 4M x 9         NONE            NONE

      11MB        (2) 4M x 9     (2) 256K x 9    (2) 256K x 9

      12MB        (2) 1M x 9      (2) 4M x 9         NONE

      18MB        (2) 4M x 9      (2) 4M x 9      (4) 1M x 9

      20MB        (2) 1M x 9      (2) 4M x 9      (2) 4M x 9

      24MB        (2) 4M x 9      (2) 4M x 9      (2) 4M x 9

  Note:Board is supplied with 2MB factory installed.

                      VGA CONFIGURATION

       Setting                J1                   J5

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed