
RELIALOGIC CORPORATION PRIVATE, LTD.

R386SX MBC

Processor         80386SX
Processor Speed   16/25MHz
Chip Set          C & T
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        220mm x 218mm
I/O Options       Floppy drive interface, IDE interface
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location   Purpose                    Location

  External battery           J7       Turbo LED                    J11

  Power LED & keylock        J8       Speaker                      J12

  Reset switch               J9       Floppy drive interface       P3

  Turbo switch               J10      IDE interface                P4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Floppy drive interface enabled           J2             Closed

      Floppy drive interface disabled          J2              Open

     IDE interface enabled                    J3             Closed

      IDE interface disabled                   J3              Open

     Factory configured - do not alter        J4              Open

     Monitor type select CGA/EGA/VGA          J5            pins 1 & 2
                                                              closed

      Monitor type select monochrome           J5            pins 2 & 3
                                                              closed

     Battery type select internal             J6             Closed

      Battery type select external             J6              Open

                   DRAM CONFIGURATION (DIPP & SIMM RAM)

    Size       Bank 0       Bank 1       Parity      Bank 2      Bank 3
                                          Chip

   512KB      (2) 44256   (2) 44256    (2) 41256      NONE        NONE

    1MB       (4) 44256   (4) 44256    (4) 41256      NONE        NONE

   1.5MB      (4) 44256   (4) 44256    (4) 41256     (2) 256K     NONE
                                                       x 9

    2MB       (4) 44256   (4) 44256    (4) 41256     (2) 256K    (2) 256K
                                                       x 9         x 9

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

    3MB       (4) 44256   (4) 44256    (4) 41256     (2) 1M x    (2) 256K
                                                        9          x 9

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

    5MB       (4) 44256   (4) 44256    (4) 41256     (2) 1M x    (2) 1M x
                                                        9           9

    9MB       (4) 44256   (4) 44256    (4) 41256     (2) 4M x     NONE
                                                        9

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

  Note: When installing 512KB, only U32, U33, U37, U38,U41 & U42 are
  used.

                         DRAM JUMPER CONFIGURATION

   Bank 0      Bank 1       Parity     Bank 2      Bank 3      J13, J14 &
                            Chip                                  J15

  (2) 44256   (2) 44256   (2) 41256     NONE        NONE       1 & 2, 3 &
                                                              4, 5 & 6, 7
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256     NONE        NONE       1 & 2, 3 &
                                                              4, 5 & 6, 7
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256    (2) 256K     NONE       1 & 2, 3 &
                                         x 9                  4, 5 & 6, 7
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256    (2) 256K    (2) 256K    1 & 2, 3 &
                                         x 9         x 9      4, 5 & 6, 7
                                                                  & 8

    NONE        NONE        NONE       (2) 1M x     NONE       1 & 3, 2 &
                                          9                   4, 5 & 7, 6
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256    (2) 1M x    (2) 256K    1 & 2, 3 &
                                          9          x 9      4, 5 & 6, 7
                                                                  & 8

    NONE        NONE        NONE       (2) 1M x    (2) 1M x    1 & 3, 2 &
                                          9           9       4, 5 & 7, 6
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256    (2) 1M x    (2) 1M x    1 & 2, 3 &
                                          9           9       4, 5 & 6, 7
                                                                  & 8

  (4) 44256   (4) 44256   (4) 41256    (2) 4M x     NONE       1 & 2, 3 &
                                          9                   4, 5 & 6, 7
                                                                  & 8

    NONE        NONE        NONE       (2) 4M x    (2) 4M x    1 & 3, 2 &
                                          9           9       4, 5 & 7, 6
                                                                  & 8

  Note:Pins designated should be in the closed position.

