OGIVAR, INC.

SX386

Processor         80386SX
Processor Speed   12/16MHz
Chip Set          VLSI
Max. Onboard DRAM 2MB
Cache             None
BIOS              Unidentified
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo switch               J14       Power LED & keylock         P5

  Speaker                     P3       External battery            P8

  Reset switch                P4

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

  »   AT bus clock speed select              J2              pins 1 & 2
      8MHz                                                    closed

      AT bus clock speed select              J2              pins 2 & 3
      12MHz                                                   closed

  »   BIOS type select 27256                 J4              pins 2 & 3
                                                              closed

      BIOS type select 27128                 J4              pins 1 & 2
                                                              closed

  »   Battery type select alkali             J7               Closed

      Battery type select lithium            J7                Open

  »   Power good signal detect               J8              pins 2 & 3
      from power supply                                       closed

      Power good signal detect               J8              pins 1 & 2
      from board                                              closed

  »   Memory wait state select 0             J11              Closed
      wait states

      Memory wait state select 1             J11               Open
      wait state

  »   Memory page interleave                 J12               Open
      enabled

  »   Memory page interleave                 J12              Closed
      disabled

  »   Turbo enabled                          J14               Open

      Turbo disabled                         J14              Closed

  »   Factory configured - do not           SW1/1               Off
      alter

  »   Factory configured - do not           SW1/2               Off
      alter

  »   Monitor type select color             SW1/3               On

      Monitor type select                   SW1/3               Off
      monochrome

  »   Factory configured - do not           SW1/4               Off
      alter

                       DRAM CONFIGURATION

    Size        Bank 0       Bank 1      Bank 2       Bank 3

    512KB     (4) 44256       NONE        NONE         NONE

     1MB      (4) 44256    (4) 44256      NONE         NONE

    1.5MB     (4) 44256    (4) 44256    (4) 44256      NONE

     2MB      (4) 44256    (4) 44256    (4) 44256    (4) 44256

                   DRAM PARITY CONFIGURATION

    Size       Parity 0     Parity 1    Parity 2     Parity 3

    512KB     (2) 41256       NONE        NONE         NONE

     1MB      (2) 41256    (2) 41256      NONE         NONE

    1.5MB     (2) 41256    (2) 41256    (2) 41256      NONE

     2MB      (2) 41256    (2) 41256    (2) 41256    (2) 41256

                   CPU SPEED CONFIGURATION

        Speed                 J3                  J10

        12MHz          pins 2 & 3 closed          Open

        16MHz          pins 1 & 2 closed   pins 1 & 2 closed