
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-543

Processor         Pentium
Processor Speed   75/90/100MHz
Chip Set          OPTI
Max. Onboard DRAM 128MB
Cache             64/128/256/512/1024/2048KB
BIOS              Award
Dimensions        330mm x 220mm
I/O Options       32-bit VESA local bus slots (2), 32-bit PCI slots (4)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose                Location

  Power LED & keylock        J1         32-bit PCI slots      PCI1 - PCI4

  External battery           J2         Reset switch              S1

  Speaker                   JP12        32-bit VESA local     SL1 - SL2
                                        bus

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter       JP15            Closed

     Back-to-Back I/O cycle select           JP20             Open
      fast

      Back-to-Back I/O cycle select           JP20            Closed
      slow

     LDEV# type select end of first T2       JP21             Open

      LDEV# type select end of second         JP21            Closed
      T2

     Monitor type select color               JP23            Closed

      Monitor type select monochrome          JP23             Open

     Factory configured - do not alter       JP34             Open

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

       4MB        (2) 512K x 36         NONE

       4MB        (2) 256K x 36    (2) 256K x 36

       6MB        (2) 256K x 36    (2) 512K x 36

       8MB         (2) 1M x 36          NONE

       8MB        (2) 512K x 36    (2) 512K x 36

      12MB        (2) 512K x 36     (2) 1M x 36

      16MB         (2) 2M x 36          NONE

      16MB         (2) 1M x 36      (2) 1M x 36

      24MB         (2) 1M x 36      (2) 2M x 36

      32MB         (2) 4M x 36          NONE

      32MB         (2) 2M x 36      (2) 2M x 36

      40MB         (2) 1M x 36      (2) 4M x 36

      48MB         (2) 2M x 36      (2) 4M x 36

      64MB         (2) 8M x 36          NONE

      64MB         (2) 4M x 36      (2) 4M x 36

      96MB         (2) 4M x 36      (2) 8M x 36

      128MB        (2) 8M x 36      (2) 8M x 36

                            CACHE CONFIGURATION

    Size        Bank 0      Bank 1        TAG0        TAG1        TAG2

    64KB       (8) 8K x      NONE       (1) 8K x     (1) 8K x   (1) 16K x
                  8                        8            8           1

    128KB      (8) 8K x     (8) 8K x    (1) 8K x     (1) 8K x   (1) 16K x
                  8            8           8            8           1

    256KB      (8) 32K x     NONE       (1) 8K x     (1) 8K x   (1) 16K x
                  8                        8            8           1

    512KB      (8) 32K x   (8) 32K x    (1) 8K x     (1) 8K x   (1) 16K x
                  8            8           8            8           1

    512KB      (8) 64K x     NONE       (1) 32K x   (1) 32K x     NONE
                  8                        8            8

     1MB       (8) 128K      NONE       (1) 32K x   (1) 32K x     NONE
                 x 8                       8            8

     2MB       (8) 128K     (8) 128K    (1) 128K     (1) 128K     NONE
                 x 8          x 8         x 8          x 8

                         CACHE JUMPER CONFIGURATION

  Size    JP4  JP5   JP6    JP7      JP8      JP9     JP10     JP11     JP35

  64KB    1 &  1 &   1 &    Open     Open    Open     Open     Open     Open
          2     2     2

  128KB   2 &  2 &   2 &    Open     Open    Closed   Open     Open     Open
          3     3     3

  256KB   1 &  1 &   1 &    Open    Closed   Closed   Open     Open     Open
          2     2     2

  512KB   2 &  2 &   2 &   Closed   Closed   Closed   Open     Open     Open
          3     3     3

  512KB   1 &  1 &   1 &   Closed   Closed   Closed   Open     Open     2 &
          2     2     2                                                  3

  1MB     1 &  1 &   1 &   Closed   Closed   Closed   Closed   Open     2 &
          2     2     2                                                  3

  2MB     2 &  2 &   2 &   Closed   Closed   Closed   Closed   Closed   1 &
          3     3     3                                                  2

  Note: Pins designated should be in closed position.

                CPU SPEED CONFIGURATION

           Speed                       JP13

           75MHz                 pins 5 & 6 closed

           90MHz                 pins 3 & 4 closed

           100MHz            pins 1 & 2, 5 & 6 closed

         CPU BUS/CORE CONFIGURATION

        Ratio                  JP2

  1/2 Bus/Core Ratio         Closed

  2/3 Bus/Core Ratio          Open

  AT BUS CLOCK CONFIGURATION

   Type      JP18      JP19

  LCLK/2     Open      Open

  LCLK/3    Closed     Open

  LCLK/4     Open     Closed

  LCLK/5    Closed    Closed

                            LCLK CONFIGURATION

    Setting        JP16          JP27          JP28             U77

   External       Closed       pins 2 & 3    pins 2 & 3      Installed
                                closed        closed

   Internal        Open        pins 1 & 2    pins 1 & 2    Not Installed
                                closed        closed

  VESA WAIT STATE CONFIGURATION

   Wait states         JP24

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP25

   <= 33MHz       Closed

   > 33MHz         Open

