
SINGA

386/25 SYSTEM BOARD

Processor         80386DX
Processor Speed   16/20/25MHz
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

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                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  32-bit external memory      J17       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 select internal                  JP6            Closed

      Battery select external                  JP6             Open

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

  Note:The location of JP8 is unknown

              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 CONFIGURATION

    Type        JP4        JP5

   80287       Open       Closed

   80387      Closed       Open

  Disabled     Open        Open

                      DRAM CONFIGURATION 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

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