
SAMSUNG ELECTRONICS AMERICA, INC.

SAMSUNG 386SX

Processor              80386SX
Processor Speed        25MHz
Chip Set               Unidentified
Max. Onboard DRAM      8MB
Cache                  None
BIOS                   Phoenix
Dimensions             330mm x 190mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, serial ports (2)
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Serial port 1               CN1       Reset switch               J4

  Serial port 2               CN2       External battery           J5

  Parallel port               CN3       IDE interface LED          J6

  Keyboard connnector          J1       IDE interface              JP4

  Turbo switch                 J2       Floppy drive interface     JP5

  Power LED & keylock          J3

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     BIOS type select 27256                  JP2              Open

      BIOS type select 27512                  JP2             Closed

     IDE interface enabled                   JP6              Open

      IDE interface disabled                  JP6             Closed

     Monitor type select color               JP10            Closed

      Monitor type select monochrome          JP10             Open

     NPU disabled                            NPX           pins 1 & 2
                                                              closed

      NPU enabled                             NPX           pins 2 & 3
                                                              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

                         HARD DRIVE CONFIGURATION

           Type                     JP3                      JP7

     All other types               Closed                   Open

  Miniscribe old version            Open                   Closed

       PARALLEL PORT CONFIGURATION

       Setting               JP8

       Enabled         pins 3 & 4 open

      Disabled        pins 3 & 4 closed

                        PARALLEL PORT CONFIGURATION

        LPT                      JP1                        JP8

       LPT1          pins 9 & 10 open, pins 11 &      pins 1 & 2 open
                              12 closed

       LPT2          pins 9 & 10 closed, pins 11     pins 1 & 2 closed
                              & 12 open

       SERIAL PORT 1 CONFIGURATION

       Setting               JP8

       Enabled         pins 5 & 6 open

      Disabled        pins 5 & 6 closed

                        SERIAL PORT 1 CONFIGURATION

      COM port                   JP1                        JP8

        COM1          pins 3 & 4 closed, pins 7 &     pins 7 & 8 open
                                8 open

        COM2          pins 3 & 4 open, pins 7 & 8    pins 7 & 8 closed
                                closed

        SERIAL PORT 2 CONFIGURATION

       Setting                 JP8

       Enabled          pins 9 & 10 open

       Disabled        pins 9 & 10 closed

                        SERIAL PORT 2 CONFIGURATION

      COM port                   JP1                        JP8

        COM1          pins 1 & 2 closed, pins 5 &     pins 7 & 8 open
                                6 open

        COM2          pins 1 & 2 open, pins 5 & 6    pins 7 & 8 closed
                                closed

