
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-433 (REV. 1)

Processor  CX486M6/80486SX/SL80486SX/UMCU5/CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/AM486DX2/8046DX2/SL80486DX2/CX486DX4/AM486DX4/80468DX4/P24D/P24T
Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz
Speed
Chip Set   UMC
Maximum    256MB
Onboard
Memory
Cache      128/256/512/1024KB
BIOS       AMI
Dimensions 260mm x 220mm
I/O        32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

        Function            Label            Function            Label

  External battery           CN1       Green PC connector         JP6

  Serial port 2              CN2       Reset switch               JP33

  Serial port 1              CN3       Turbo switch               JP34

  Parallel port              CN4       Green PC connector         JP35

  Floppy drive interface     CN5       Green PC LED               LED1

  IDE interface 2            CN6       IDE interface LED          LED2

  IDE interface 1            CN7       PS/2 mouse port            MS1

  Speaker                    CN8       32-bit PCI slots         PC1 - PC4

  Power LED & keylock        CN9

                        USER CONFIGURABLE SETTINGS

                Setting                      Label          Position

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

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

                                   DRAM

     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

                               DRAM (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     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

     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    (1) 16M x 36
                                                   36

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

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

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

                          CACHE SIZE

      Size          Bank 0          Bank 1           TAG

     128KB        (4) 32K x 8        None         (1) 8K x 8

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

   256KB (B)      (4) 64K x 8        None        (1) 32K x 8

   512KB (A)     (4) 128K x 8        None        (1) 32K x 8

   512KB (B)      (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

      Size           JP11          JP12          JP13           JP14

     128KB           Open          Open          2 & 3          Open

   256KB (A)         Open          Open          1 & 2          1 & 2

   256KB (B)         Open          1 & 2         2 & 3          1 & 2

   512KB (A)        1 & 2          1 & 2         2 & 3      1 & 2, 3 & 4

   512KB (B)         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 the closed position.

                                 CPU TYPE

    Setting        JP10        JP17        JP19        JP20        JP21

    CX486M6       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

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

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

   SL80486DX      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

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

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

   SL80486DX2     1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

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

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

    80486DX4      1 & 3, 2     1 & 2       3 & 4     2 & 3, 4     1 & 2
                    & 4                                & 5

      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 the closed position.

                             CPU TYPE (CONT)

   Setting        JP22         JP23         JP25       JP26        JP27

   CX486M6        Open         Open        2 & 3       2 & 3      1 & 2

   80486SX        Open         Open        2 & 3       Open        Open

  SL80486SX       Open         Open        2 & 3       Open        Open

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

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

   AM486DX        Open         Open        2 & 3       Open        Open

   80486DX        Open         Open        2 & 3       Open        Open

  SL80486DX       Open         Open        2 & 3       Open        Open

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

   AM486DX2       Open         Open        2 & 3       Open        Open

   80486DX2       Open         Open        2 & 3       Open        Open

  SL80486DX2      Open         Open        2 & 3       Open        Open

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

   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 the closed position.

                             CPU TYPE (CONT)

    Setting        JP28       JP29       JP30        JP31         JP32

    CX486M6       2 & 3      1 & 2       Open        Open         Open

    80486SX       2 & 3       Open       Open        Open         Open

   SL80486SX      2 & 3       Open       Open        Open         Open

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

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

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

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

   SL80486DX     1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

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

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

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

   SL80486DX2    1 & 2, 3     Open      3 & 4        Open         Open
                   & 4

    CX486DX4     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 the closed position.

           CPU TYPE (P24D ONLY)

       Setting               JP24

     Write back       Pins 2 & 3 closed

    Write through     Pins 1 & 2 closed

   Other CPU types           Open

                                 CPU SPEED

     Setting              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 1 & 2
                        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

      80iMHz           Pins 2 & 3        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

     100iMHz           Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

                  CPU MULTIPLIER (DX4 ONLY)

   Internal clock       External clock            JP18

       75iMHz               25MHz                 Open

       100iMHz              33MHz                 Open

       100iMHz              50MHz          Pins 2 & 3 closed

              CPU MULTIPLIER (AM486DX2/DX4 ONLY)

   Internal clock       External clock            JP24

       75iMHz               25MHz          Pins 2 & 3 closed

       80iMHz               40MHz          Pins 1 & 2 closed

       100iMHz              33MHz          Pins 2 & 3 closed

       100iMHz              50MHz          Pins 1 & 2 closed

   Other CPU types                                Open

                                CPU VOLTAGE

     Setting              JP9               JP15               JP16

       3.3v            Pins 1 & 2         Pins 2 & 3        Pins 2 & 3
                        closed             closed             closed

      3.45v            Pins 3 & 4         Pins 2 & 3        Pins 2 & 3
                        closed             closed             closed

       3.6v            Pins 5 & 6         Pins 2 & 3        Pins 2 & 3
                        closed             closed             closed

        4v             Pins 7 & 8         Pins 2 & 3        Pins 2 & 3
                        closed             closed             closed

        5v            Any setting         Pins 1 & 2        Pins 1 & 2
                                           closed             closed

