ZEOS INTERNATIONAL, LTD.

386SX-16

Processor         80386SX
Processor Speed   16MHz
Chip Set          Unidentified
Max. Onboard DRAM 4MB
Cache             None
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Turbo LED                   J30

  Turbo switch                J28      Power LED & keylock         J31

  Reset switch                J29      Speaker                     J38

                        USER CONFIGURABLE SETTINGS

                Function
                                             Jumper
                                                             Position

  »
      Parity checking enabled
                                               J13
                                                             pins 1 & 2
                                                              closed


      Parity checking disabled
                                               J13
                                                             pins 2 & 3
                                                              closed

  »
      Factory configured - do not alter
                                               J20
                                                                N/A

  »
      BIOS type select 27256
                                               J21
                                                              Closed


      BIOS type select 27128
                                               J21
                                                               Open

  »
      ROM wait state select 3 wait
      states
                                               J22
                                                               Open


      ROM wait state select 2 wait
      states
                                               J22
                                                              Closed

  »
      RAM read wait state select 1 wait
      state
                                               J23
                                                               Open


      RAM read wait state select 0 wait
      state
                                               J23
                                                              Closed

  »
      RAM write wait state select 1
      wait state
                                               J25
                                                               Open


      RAM write wait state select 0
      wait state
                                               J25
                                                              Closed

  »
      Turbo switch select jumper
                                               J32
                                                             pins 1 & 2
                                                              closed


      Turbo switch select keyboard
                                               J32
                                                             pins 2 & 3
                                                              closed

  »
      ROM to RAM mapping disabled
                                               J33
                                                              Closed


      ROM to RAM mapping enabled
                                               J33
                                                               Open

  »
      Monitor type select CGA
                                               J37
                                                              Closed


      Monitor type select Mono/EGA/VGA
                                               J37
                                                               Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

     512KB       (18) 41256       NONE

      1MB        (18) 41256    (18) 41256

      2MB        (18) 411000      NONE

      4MB        (18) 411000   (18) 411000

       DRAM JUMPER CONFIGURATION

   Size
             J34
                       J35
                                 J36

  512KB
            Closed
                     Closed
                                Open

   1MB
            Closed
                      Open
                               Closed

   2MB
             Open
                     Closed
                                Open

   4MB
             Open
                      Open
                               Closed

                          PAGEMODE CONFIGURATION

                Function                    Jumper           Position

  »  Interleave disabled                      J24              Open

     Interleave enabled (requires both        J24             Closed
     memory banks full)

  »  Pagemode disabled                        J26              Open

     Pagemode enabled                         J26             Closed

  »  Pagemode controller installed            J27              Open

     Pagemode controller not installed        J27             Closed

  Note: J23 & J25 must be open to operate in pagemode.