UNIDENTIFIED

ALL-IN-ONE 386SX

Processor              80386SX (exact location unknown)
Processor Speed        16/20/25MHz
Chip Set               Intel
Max. Onboard DRAM      32MB
Cache                  None
BIOS                   AMI
Dimensions             254mm x 218mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, PS/2 mouse port, serial ports (2)
NPU Options            80387SX (exact location unknown)

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  Reset switch        JP5 pins 1 -    Parallel port              JP9
                           2

  Turbo switch        JP5 pins 4 -    External battery          JP10
                           5

  Turbo LED           JP5 pins 8 -    PS/2 mouse port           JP11
                           9

  Speaker             JP5 pins 11 -   IDE interface LED         JP12
                           14

  Power LED &         JP5 pins 16 -   IDE interface             JP15
  keylock                  20

  Serial port 1           JP7         Floppy drive              JP18
                                      interface

  Serial port 2           JP8

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   Battery type select internal           JP10             Closed

      Battery type select external           JP10           pins 2 & 3
                                                              closed

      CMOS memory clear                      JP10           pins 3 & 4
                                                              closed

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

      8MB        (2) 4M x 9        NONE           NONE           NONE

      9MB        (2) 256K x 9  (2) 256K x 9    (2) 4M x 9        NONE

     10MB        (2) 1M x 9     (2) 4M x 9        NONE           NONE

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

     16MB        (2) 4M x 9     (2) 4M x 9        NONE           NONE

    16.5MB       (2) 4M x 9     (2) 4M x 9    (2) 256K x 9       NONE

     17MB        (2) 256K x 9  (2) 256K x 9    (2) 4M x 9     (2) 4M x 9

     18MB        (2) 4M x 9     (2) 4M x 9     (2) 1M x 9        NONE

     20MB        (2) 1M x 9     (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        NONE

     32MB        (2) 4M x 9     (2) 4M x 9     (2) 4M x 9     (2) 4M x 9

                             IDE CONFIGURATION

         Setting                    JP19                    JP20

  IDE interface disabled            Open                    Open

  IDE interface enabled            Closed                  Closed

                           FLOPPY CONFIGURATION

          Setting                   JP21                    JP22

      Floppy interface              Open             pins 2 & 3 closed
         disabled

  Floppy interface enabled         Closed            pins 1 & 2 closed