
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-419

Processor  CX486S/80486SX/SL80486SX/UMC U5-S/CX486DX/AM486DX/80486DX/
           SL80486DX/CX486DX2/AM486DX2/80486DX2/SL80486DX2/P24D/

           AM486DX4/SL80486DX4/Pentium Overdrive
Processor  20/25/33/40/50(internal)/66(internal/75(internal)/100(internal)MHz
Speed
Chip Set   OPTI
Max.       128MB
Onboard
DRAM
Cache      64/128/256/512KB
BIOS       AMI
Dimensions 260mm x 220mm
I/O        32-bit VESA local bus slots (3)
Options
NPU        NONE
Options

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Reset switch              CN1       External battery             J1

  Turbo switch              CN2       Green PC connector          JP63

  Speaker                   CN3       EPMI connector              JP68

  Power LED & keylock       CN4       32-bit VESA local bus    SL1 - SL3
                                      slots

  Turbo LED                 CN5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color               JP30            Closed

      Monitor type select monochrome          JP30             Open

     ADS signal delay disabled               JP36          pins 2 & 3
                                                              closed

      ADS signal delay enabled                JP36          pins 1 & 2
                                                              closed

     Factory configured - do not             JP53             N/A
      alter

     P24T CPU cache type select write        JP58            Closed
      back

      P24T CPU cache type select write        JP58             Open
      through

     P24D CPU cache type select write        JP59            Closed
      back

      P24D CPU cache type select write        JP59             Open
      through

     Factory configured - do not             JP67             N/A
      alter

     Factory configured - do not             JP74             N/A
      alter

     Factory configured - do not             JP77             N/A
      alter

     Factory configured - do not             JP79             N/A
      alter

  Note: The location of JP53 JP58 and JP67 is unidentified.

                           DRAM CONFIGURATION 1

     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

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

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

     5MB         (1) 256K x    (1) 1M x 36       NONE           NONE
                     36

     6MB         (1) 256K x     (1) 256K x    (1) 1M x 36       NONE
                     36            36

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

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

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

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

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

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

     17MB        (1) 256K x    (1) 4M x 36       NONE           NONE
                     36

     20MB       (1) 1M x 36    (1) 4M x 36       NONE           NONE

     20MB       (1) 1M x 36       NONE        (1) 4M x 36       NONE

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

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

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

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

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

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

                           DRAM CONFIGURATION 2

     Size         Bank 0          Bank 1         Bank 2         Bank 3

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

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

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

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

                       DRAM CONFIGURATION 2 (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

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

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

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

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

     12MB       (1) 1M x 36    (1) 2M x 36        NONE           NONE

     12MB        (1) 512K x     (1) 512K x    (1) 2M x 36        NONE
                     36             36

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

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

     20MB       (1) 1M x 36    (1) 4M x 36        NONE           NONE

     20MB       (1) 1M x 36    (1) 2M x 36    (1) 2M x 36        NONE

     24MB       (1) 1M x 36    (1) 1M x 36    (1) 4M x 36        NONE

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

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

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

     32MB       (1) 2M x 36    (1) 2M x 36    (1) 4M x 36        NONE

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 8M x 36        NONE

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

     48MB       (1) 2M x 36    (1) 2M x 36    (1) 8M x 36        NONE

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 8M x 36        NONE

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

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

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

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

                         DRAM JUMPER CONFIGURATION

  Type    JP60      JP61      JP62       JP70        JP71         JP72

   1     Closed    Closed    Closed     pins 1 &    pins 1 &   pins 1 & 2
                                       2 closed    2 closed      closed

   2      Open      Open      Open      pins 2 &    pins 2 &   pins 2 & 3
                                       3 closed    3 closed      closed

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

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

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

   Size       JP5        JP10         JP11          JP13         JP50

   64KB      Open        Open         Open       Pins 2 & 3      Open
                                                   closed

  128KB      Open        Open        Closed      Pins 1 & 2      Open
                                                   closed

  256KB      Open       Closed       Closed      Pins 2 & 3      Open
                                                   closed

  512KB      Open       Closed       Closed      Pins 1 & 2     Closed
                                                   closed

  Note: JP5 may not be present on all revisions.

                          CPU TYPE CONFIGURATION

            Type                      JPA                    JPB

           CX486S              6 & 7, 8 & 9, 10 &            Open
                                  11, 12 & 13

           80486SX             6 & 7, 8 & 9, 10 &    3 & 4, 5 & 6, 7 & 8,
                                  11, 12 & 13               9 & 10

          SL80486SX            6 & 7, 8 & 9, 10 &    3 & 4, 5 & 6, 7 & 8,
                                  11, 12 & 13               9 & 10

          UMC U5-S             6 & 7, 8 & 9, 10 &    3 & 4, 5 & 6, 7 & 8,
                                  11, 12 & 13               9 & 10

           CX486DX              5 & 6, 7 & 8, 9 &            Open
                                  10, 11 & 12

           AM486DX              5 & 6, 7 & 8, 9 &    1 & 2, 3 & 4, 5 & 6,
                                  10, 11 & 12               7 & 8

           80486DX              5 & 6, 7 & 8, 9 &    3 & 4, 5 & 6, 7 & 8,
                                  10, 11 & 12               9 & 10

          SL80486DX             5 & 6, 7 & 8, 9 &    3 & 4, 5 & 6, 7 & 8,
                                  10, 11 & 12               9 & 10

          CX486DX2              5 & 6, 7 & 8, 9 &            Open
                                  10, 11 & 12

          AM468DX2              5 & 6, 7 & 8, 9 &    1 & 2, 3 & 4, 5 & 6,
                                  10, 11 & 12               7 & 8

          80486DX2              5 & 6, 7 & 8, 9 &    3 & 4, 5 & 6, 7 & 8,
                                  10, 11 & 12               9 & 10

         SL80486DX2             5 & 6, 7 & 8, 9 &    3 & 4, 5 & 6, 7 & 8,
                                  10, 11 & 12               9 & 10

            P24D                1 & 2, 3 & 4, 5 &    3 & 4, 5 & 6, 7 & 8,
                                    6, 7 & 8                9 & 10

          AM486DX4              5 & 6, 7 & 8, 9 &    1 & 2, 3 & 4, 5 & 6,
                                  10, 11 & 12               7 & 8

         SL80486DX4             5 & 6, 7 & 8, 9 &    3 & 4, 5 & 6, 7 & 8,
                                  10, 11 & 12               9 & 10

            P24T               3 & 4, 5 &6, 7 & 8,   3 & 4, 5 & 6, 7 & 8,
                                     9 & 10                 9 & 10

  Note: Pins designated should be in closed position.

                      CPU TYPE CONFIGURATION (CONT)

       Type             JPC           JP44         JP45          JP46

      CX486S         1 & 2, 3 &       Open         Open          Open
                    4, 5 & 6, 7
                        & 8

     80486SX           Open           Open         Open          Open

    SL80486SX          Open          Closed       Closed        Closed

     UMC U5-S          Open           Open         Open          Open

     CX486DX         1 & 2, 3 &       Open         Open          Open
                    4, 5 & 6, 7
                        & 8

     AM486DX           Open           Open         Open          Open

     80486DX           Open           Open         Open          Open

    SL80486DX          Open          Closed       Closed        Closed

     CX486DX2        1 & 2, 3 &       Open         Open          Open
                    4, 5 & 6, 7
                        & 8

     AM468DX2          Open           Open         Open          Open

     80486DX2          Open           Open         Open          Open

    SL80486DX2         Open          Closed       Closed        Closed

       P24D            Open          Closed       Closed        Closed

     AM486DX4          Open           Open         Open          Open

    SL80486DX4         Open          Closed       Closed        Closed

       P24T            Open          Closed       Closed        Closed

  Note: Pins designated should be in closed position.

             CPU TYPE CONFIGURATION (CONT)

     Type          JP47          JP48          JP65

    CX486S        Closed        Closed         Open

   80486SX         Open          Open          Open

  SL80486SX        Open          Open          Open

   UMC U5-S        Open          Open          Open

   CX486DX        Closed        Closed         Open

   AM486DX         Open          Open          Open

   80486DX         Open          Open          Open

  SL80486DX        Open          Open          Open

   CX486DX2       Closed        Closed         Open

   AM468DX2        Open          Open          Open

   80486DX2        Open          Open          Open

  SL80486DX2       Open          Open          Open

     P24D          Open          Open          Open

   AM486DX4        Open          Open          Open

  SL80486DX4       Open          Open          Open

     P24T          Open          Open          Open

  Note: Pins designated should be in closed position.

                          CPU SPEED CONFIGURATION

      Speed              JP21               JP22               JP23

      20MHz            pins 2 & 3        pins 2 & 3         pins 1 & 2
                        closed             closed             closed

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

      33MHz            pins 1 & 2        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

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

      50iMHz           pins 2 & 3        pins 1 & 2         pins 2 & 3
                        closed             closed             closed

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

      66iMHz           pins 1 & 2        pins 2 & 3         pins 2 & 3
                        closed             closed             closed

      75iMHz           pins 2 & 3           Open            pins 2 & 3
                        closed                                closed

     100iMHz             Open            pins 2 & 3         pins 2 & 3
                                           closed             closed

     100iMHz             Open            pins 2 & 3            Open
                                           closed

  CPU SPEED CONFIGURATION (80486DX4 ONLY)

        Speed                  JP65

          2x            pins 1 & 2 closed

          3x            pins 2 & 3 closed

                         CPU VOLTAGE CONFIGURATION

       CPU Voltage                 JP64                     JP73

          3.33v              pins 3 & 5, 4 & 6       pins 1 & 2 closed
                                  closed

          3.45v              pins 3 & 5, 4 & 6              Open
                                  closed

          4.0v               pins 3 & 5, 4 & 6       pins 2 & 3 closed
                                  closed

          5.0v               pins 1 & 3, 2 & 4              Open
                                  closed

                      CPU SIGNAL DELAY CONFIGURATION

       CPU Delay                  JP55                      JP69

        Delay 1             pins 1 & 2, 3 & 4               Open
                                 closed

        Delay 2             pins 2 & 3 closed              Closed

  VESA WAIT STATE CONFIGURATION

   Wait states         JP33

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP34

   <= 33MHz        Open

   > 33MHz        Closed

