
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-433

Processor  CX486S/80486SX/SL80486SX/CX486DX/AM486DX/SL AM486DX/UMC U5/
           80486DX/AM486DX2/SL AM486DX2/CX486DX2/80486DX2/CX486DX4/ SL
           AM486DX4/AM486DX4/80486DX4/P24D/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   UMC
Max.       256MB
Onboard
DRAM
Cache      128/256/512/1024KB
BIOS       AMI
Dimensions 260 x 220mm
I/O        32-bit PCI slots (4), floppy drive interface, green PC connector,
Options    IDE interfaces (2), parallel port, PS/2 mouse port, serial ports
           (2)
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  External battery           CN1        Green PC connector       JP6

  Serial port 2              CN2        Reset switch             JP33

  Serial port 1              CN3        Turbo switch             JP34

  Parallel port              CN4        EPMI connector           JP35

  Floppy drive               CN5        Turbo LED                LED1
  interface

  IDE linterface             CN6        IDE interface LED        LED2
  (secondary)

  IDE interface              CN7        PS/2 mouse port          MS1
  (primary)

  Speaker                    CN8        32-bit PCI slots      PCI1 - PCI4

  Power LED & keylock        CN9

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

     Flash BIOS voltage select 5v           JP8            pins 2 & 3
                                                              closed

      Flash BIOS voltage select 12v          JP8            pins 1 & 2
                                                              closed

     CPU cache type select write            JP24           pins 2 & 3
      back                                                    closed

      CPU cache type select write            JP24           pins 1 & 2
      though                                                  closed

      CPU cache type select other CPU        JP24              Open

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        NONE           NONE           NONE
                    36

     2MB        (1) 256K x     (1) 256K x        NONE           NONE
                    36             36

     2MB        (1) 512K x        NONE           NONE           NONE
                    36

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        NONE
                    36             36             36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 512K x     (1) 512K x        NONE           NONE
                    36             36

     4MB       (1) 1M x 36        NONE           NONE           NONE

     6MB        (1) 512K x     (1) 512K x     (1) 512K x        NONE
                    36             36             36

     6MB        (1) 256K x     (1) 256K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB        (1) 512K x     (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB       (1) 1M x 36    (1) 1M x 36        NONE           NONE

     8MB       (1) 2M x 36        NONE           NONE           NONE

     10MB       (1) 256K x     (1) 256K x    (1) 1M x 36     (1) 1M x 36
                    36             36

     12MB      (1) 1M x 36    (1) 1M x 36    (1) 1M x 36        NONE

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

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

     16MB      (1) 2M x 36    (1) 2M x 36        NONE           NONE

     16MB      (1) 4M x 36        NONE           NONE           NONE

     18MB       (1) 256K x     (1) 256K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     20MB       (1) 512K x     (1) 512K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     24MB      (1) 2M x 36    (1) 2M x 36    (1) 2M x 36        NONE

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

     32MB      (1) 2M x 36    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     32MB      (1) 4M x 36    (1) 4M x 36        NONE           NONE

     32MB      (1) 8M x 36        NONE           NONE           NONE

     34MB       (1) 256K x     (1) 256K x    (1) 4M x 36     (1) 4M x 36
                    36             36

     36MB       (1) 512K x     (1) 512K x    (1) 4M x 36     (1) 4M x 36
                    36             36

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

     48MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36        NONE

     48MB      (1) 2M x 36    (1) 2M x 36    (1) 4M x 36     (1) 4M x 36

     64MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     64MB      (1) 8M x 36    (1) 8M x 36        NONE           NONE

     64MB      (1) 16M x 36       NONE           NONE           NONE

     66MB       (1) 256K x     (1) 256K x    (1) 8M x 36     (1) 8M x 36
                    36             36

     68MB       (1) 512K x     (1) 512K x    (1) 8M x 36     (1) 8M x 36
                    36             36

     72MB      (1) 1M x 36    (1) 1M x 36    (1) 8M x 36     (1) 8M x 36

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     80MB        (1) 2M x 36   (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     96MB        (1) 8M x 36   (1) 8M x 36    (1) 8M x 36        NONE

     96MB        (1) 4M x 36   (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

     128MB       (1) 16M x 36  (1) 16M x 36       NONE           NONE

     160MB       (1) 4M x 36   (1) 4M x 36    (1) 16M x 36   (1) 16M x 36

     192MB       (1) 16M x 36  (1) 16M x 36   (1) 16M x 36       NONE

     192MB       (1) 8M x 36   (1) 8M x 36    (1) 16M x 36   (1) 16M x 36

     256MB       (1) 16M x 36  (1) 16M x 36   (1) 16M x 36   (1) 16M x 36

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     128KB        (4) 32K x 8        Open         (1) 8K x 8

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 32K x 8

     256KB        (4) 64K x 8        Open        (1) 32K x 8

     512KB       (4) 128K x 8        Open        (1) 32K x 8

     512KB        (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

      Size           JP11          JP12          JP13           JP14

     128KB           Open          Open          2 & 3          Open

     256KB           Open          Open          1 & 2          1 & 2

     256KB           Open          1 & 2         2 & 3          1 & 2

     512KB          1 & 2          1 & 2         2 & 3      1 & 2, 3 & 4

     512KB           Open          2 & 3         1 & 2      1 & 2, 3 & 4

      1MB           2 & 3          2 & 3         1 & 2      1 & 2, 3 & 4,
                                                                5 & 6

  Note: Pins designated should be in closed position.

                          CPU TYPE CONFIGURATION

      Type         JP10        JP17        JP19        JP20        JP21

     CX486S       1 & 3, 4     2 & 3       3 & 4     1 & 2, 3     1 & 2
                    & 6                                & 4

    80486SX       1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

   SL80486SX      1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

    CX486DX       1 & 3, 4     2 & 3       3 & 4     1 & 2, 3     1 & 2
                    & 6                                & 4

    AM486DX       1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

   SL AM486DX     1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

     UMC U5       2 & 4, 3     Open        1 & 2       Open       2 & 3
                    & 5

    80486DX       1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

    AM486DX2      1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

  SL AM486DX2     1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

    CX486DX2      1 & 3, 4     2 & 3       3 & 4     1 & 2, 3     1 & 2
                    & 6                                & 4

    80486DX2      1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

    CX486DX4      1 & 3, 4     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 6                                & 5

  SL AM486DX4     1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

    AM486DX4      1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

    80486DX4      1 & 3, 2     Open        1 & 2       Open        Open
                    & 4

      P24D        1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

      P24T        1 & 3, 2     1 & 2      3 & 4, 5   2 & 3, 4     1 & 2
                    & 4                     & 6        & 5

  Note: Pins designated should be in closed position.

                       CPU TYPE CONFIGURATION (CONT)

     Type          JP22         JP23         JP25       JP26       JP27

    CX486S         Open         Open        2 & 3      2 & 3      1 & 2

    80486SX        Open         Open        2 & 3       Open       Open

   SL80486SX       Open         Open        2 & 3       Open       Open

    CX486DX        Open         Open        2 & 3      2 & 3      1 & 2

    AM486DX        Open         Open        2 & 3       Open       Open

  SL AM486DX       Open         Open        2 & 3       Open       Open

    UMC U5         Open         Open        2 & 3      1 & 2      2 & 3

    80486DX        Open         Open        2 & 3       Open       Open

   AM486DX2        Open         Open        2 & 3       Open       Open

  SL AM486DX2      Open         Open        2 & 3       Open       Open

   CX486DX2        Open         Open        2 & 3      2 & 3      1 & 2

   80486DX2        Open         Open        2 & 3       Open       Open

   CX486DX4        Open         Open        2 & 3      2 & 3      1 & 2

  SL AM486DX4      Open         Open        2 & 3       Open       Open

   AM486DX4        Open         Open        2 & 3       Open       Open

   80486DX4        Open         Open        2 & 3       Open       Open

     P24D         Closed       Closed       2 & 3       Open       Open

     P24T          Open         Open        2 & 3      1 & 2      2 & 3

  Note: Pins designated should be in closed position.

                       CPU TYPE CONFIGURATION (CONT)

      Type         JP28       JP29       JP30        JP31         JP32

     CX486S       2 & 3      1 & 2       Open        Open         Open

    80486SX       2 & 3       Open       Open        Open         Open

   SL80486SX      2 & 3       Open       Open        Open         Open

    CX486DX      1 & 2, 3    2 & 3      3 & 4        Open         Open
                   & 4

    AM486DX      1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

   SL AM486DX    1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

     UMC U5       2 & 3      3 & 4     1 & 2, 3      Open         Open
                                         & 4

    80486DX      1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    AM486DX2     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

  SL AM486DX2    1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    CX486DX2     1 & 2, 3    2 & 3      3 & 4        Open         Open
                   & 4

    80486DX2     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    CX486DX4     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

  SL AM486DX4    1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    AM486DX4     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    80486DX4     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

      P24D       1 & 2, 3     Open      3 & 4       Closed       Closed
                   & 4

      P24T       1 & 2, 3    3 & 4      2 & 3        Open         Open
                   & 4

  Note: Pins designated should be in closed position.

                          CPU SPEED CONFIGURATION

      Speed               JP1               JP2                JP3

      25MHz            pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      33MHz            pins 1 & 2        pins 1 & 2         pins 1 & 2
                        closed             closed             closed

      40MHz            pins 2 & 3        pins 1 & 2         pins 1 & 2
                        closed             closed             closed

      50iMHz           pins 2 & 3        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

      50MHz            pins 1 & 2        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

      66iMHz           pins 1 & 2        pins 1 & 2         pins 1 & 2
                        closed             closed             closed

      75iMHz           pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

     100iMHz           pins 1 & 2        pins 1 & 2         pins 1 & 2
                        closed             closed             closed

                   CPU CLOCK CONFIGURATION

      CPU Type           Clock Ratio              JP18

       DX4-75                3:1                  Open

       DX4-100               3:1                  Open

       DX4-100               2:1           pins 2 & 3 closed

      Other CPU           Other CPU               Open

                CPU CLOCK CONFIGURATION - AMD

      CPU Type           Clock Ratio              JP18

       DX2-80                3:1           pins 2 & 3 closed

       DX2-80                2:1           pins 1 & 2 closed

       DX4-100               3:1           pins 2 & 3 closed

       DX4-100               2:1           pins 1 & 2 closed

      Other CPU           Other CPU               Open

                         CPU VOLTAGE CONFIGURATION

     Voltage              JP9               JP15               JP16

       3.3v            pins 1 & 2        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

      3.45v            pins 3 & 4        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

       3.6v            pins 5 & 6        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

        4v             pins 7 & 8        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

        5v               Open            pins 1 & 2         pins 2 & 3
                                           closed             closed

