SINGA

386X SYSTEM BOARD

Processor         80386DX
Processor Speed   16/20MHz
Chip Set          C & T
Max. Onboard DRAM 8MB
Cache             None
BIOS              CEI
Dimensions        330mm x 219mm
I/O Options       32-bit external memory card slot
NPU Options       80287/80387/3167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  32-bit external memory      J15       Reset switch              JP7
  card

  Speaker                     J19       Turbo switch              JP9

  Power LED & keylock         J20       Turbo LED                 JP10

  External battery            J21

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

  »   Factory configured - do not alter        JP2            Closed

  »   Factory configured - do not alter        JP3            Closed

  »   Battery type select internal             JP6            Closed

      Battery type select external             JP6             Open

  »   Factory configured - do not alter        JP8           pins 1 & 2
                                                              closed

              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

     NPU JUMPER CONFIGURATION

  NPU Type      JP4        JP5

   80287       Open       Closed

   80387      Closed       Open

    3167       Open        Open

  disabled     Open        Open

                  DRAM CONFIGURATION FOR THE 386-MEM CARD

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9       NONE           NONE           NONE

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

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

     8MB        (4) 1M x 9      (4) 1M x 9        NONE           NONE

     16MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

[Image]