
UNIDENTIFIED

80386SX

Processor         80386SX
Processor Speed   16MHz
Chip Set          Intel
Max. Onboard DRAM 8MB
Cache             None
BIOS              Phoenix
Dimensions        333mm x 220mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  External battery            JP2       Turbo LED                  JP8

  Power LED & keylock         JP6       Turbo switch               JP9

  Speaker                     JP7       Reset switch              JP10

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select monochrome           JP1           pins 2 & 3
                                                              closed

      Monitor type select color                JP1           pins 1 & 2
                                                              closed

     Battery select internal                  JP3           pins 1 & 2
                                                              closed

      Battery select external                  JP3           pins 2 & 3
                                                              closed

     BIOS type select 27256                  JP11           pins 2 & 3
                                                              closed

      BIOS type select 27512                  JP11           pins 1 & 2
                                                              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

      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

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

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

                         DRAM JUMPER CONFIGURATION

           Speed                     JP4                     JP5

  100ns fast page chips (1         Closed                   Open
        page max.)

  100ns fast page chips (4         Closed                  Closed
        pages max.)

      100ns all chips               Open                   Closed

      100ns all chips               Open                    Open

