SAMSUNG ELECTRONICS AMERICA, INC.

PowerMaster SD931

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          Micronics
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              Phoenix
Dimensions        355mm x 271mm
I/O Options       32-bit external memory card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           J11       Reset switch                W6

  Speaker                    J23       Turbo switch                W7

  Power LED & keylock        J24       32-bit external             S1
                                       memory card

  Turbo LED                  W5

                        USER CONFIGURABLE SETTINGS

                 Function                     Switch         Position

  »   Factory configured - do not alter       SW1/1             On

  »   Factory configured - do not alter       SW1/2             Off

  »   Factory configured - do not alter       SW1/3             Off

  »   Factory configured - do not alter       SW1/4             Off

  »   Factory configured - do not alter       SW1/5             Off

  »   Video BIOS select cacheable             SW1/6             On

      Video BIOS select non-cacheable         SW1/6             Off

      CPU speed select 33MHz                  SW1/7             Off

      CPU speed select 25MHz                  SW1/7             On

  »   Factory configured - do not alter       SW1/8             On

  »   Factory configured - do not alter       SW1/6             On

              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

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                DRAM SWITCH CONFIGURATION

   Size     SW2/1     SW2/2     SW2/3     SW2/4    SW2/5

   1MB        On       On        On        On       On

   2MB       Off       On        On        On       On

   4MB        On       On        Off       On       On

   5MB        On       On        Off       Off      On

   8MB       Off       On        Off       On       On

   16MB       On       On        Off       On       Off

   20MB       On       On        Off       Off      Off

   32MB      Off       On        Off       On       Off

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

     64KB        (4) 8K x 8    (4) 8K x 8

     128KB       (4) 32K x 8      NONE

     256KB       (4) 32K x 8   (4) 32K x 8

                     CACHE JUMPER/SWITCH CONFIGURATION

     Size            W3             W4            SW2/7         SW2/8

     64KB        pins 2 & 3      pins 2 & 3        Off           Off
                   closed         closed

    128KB        pins 2 & 3      pins 1 & 2        On             On
                   closed         closed

    256KB        pins 1 & 2      pins 1 & 2        Off            On
                   closed         closed