UNIDENTIFIED

80386S

Processor         80386SX
Processor Speed   20/25MHz
Chip Set          C & T
Max. Onboard DRAM 16MB (8MB on memory card)
Cache             None
BIOS              AMI/Award/Phoenix
Dimensions        330mm x 218mm
I/O Options       32-bit external memory card
NPU Options       80387SX/3167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J1        Power LED & keylock        J16

  Turbo LED                  J13       Speaker                    J17

  Reset switch               J14       32-bit external            SL1
                                       memory card

  Turbo switch               J15

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   BIOS type select AMI/Award               J2           pins 1 & 2
                                                              closed

      BIOS type select Phoenix                 J2           pins 2 & 3
                                                              closed

  »   Monitor type select color                J3             Closed

      Monitor type select monochrome           J3              Open

  »   CMOS memory normal operation             J4           pins 2 & 3
                                                              closed

      CMOS memory clear                        J4           pins 1 & 2
                                                              closed

  »   NPU type select Weitek 3167             J10           pins 1 & 2
                                                              closed

      NPU type select Intel 80387             J10           pins 2 & 3
                                                              closed

  »   NPU enabled                             J11             Closed

      NPU disabled                            J11              Open

                        DRAM CONFIGURATION

         Size                 Bank 0                Bank 1

         1MB               (4) 256K x 9              NONE

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

         4MB                (4) 1M x 9               NONE

         8MB                (4) 1M x 9            (4) 1M x 9

  Note: This board may have either SIPP or SIMM banks installed.

                     DRAM CONFIGURATION (MEMORY CARD)

         Size                   Bank 2                    Bank 3

          1MB                 (36) 41256                   NONE

          2MB                 (36) 41256                (36) 41256

          4MB                 (36) 411000                  NONE

          8MB                 (36) 411000               (36) 411000

            Note: If the memory card is used without on board memory
            installed, Banks 2 & 3 are called Banks 1 & 2.

                         DRAM JUMPER CONFIGURATION

              Type                   J5        J6        J7         J8

    On board base memory only      1 & 2     1 & 2     1 & 2      1 & 2

  On board base memory & memory    2 & 3     2 & 3     2 & 3      2 & 3
         card installed

  Note: Pins designated should be in the closed position.

     WAIT STATE CONFIGURATION

   Wait states          J9

  0 wait states       Closed

  1 wait state         Open