
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-419 (VER. R1.1)

Processor  80486SX/SL80486SX/80487SX/CX486DX/AM486DX/80486DX/SL80486DX/
           CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/Pentium Overdrive
Processor  20/25/33/40/50(internal)/50/66(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), green PC connector
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  External battery           J1       Green PC connector          JP63

  Power LED & keylock        J2       Green PC connector          JP68

  Turbo LED                 JP16      Reset switch                 S1

  Turbo switch              JP17      32-bit VESA local bus    SL1 - SL3
                                      slots

  Speaker                   JP18

  Note: The location of JP68 is unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color               JP30            Closed

      Monitor type select monochrome          JP30             Open

     CPU ADS# signal select normal           JP36          pins 2 & 3
      operation                                               closed

      CPU ADS# signal select delayed          JP36          pins 1 & 2
                                                              closed

     Factory configured - do not             JP53          pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP67            Closed
      alter

     Factory configured - do not             JP74          pins 1 & 2
      alter                                                   closed

     Factory configured - do not             JP77          pins 2 & 3
      alter                                                   closed

                           DRAM CONFIGURATION 1

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     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

       2MB        (1) 512K x 36         NONE            NONE

       4MB         (1) 1M x 36          NONE            NONE

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

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

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

       8MB         (1) 2M x 36          NONE            NONE

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

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

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

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

                 DRAM CONFIGURATION 2 (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

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

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

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

      24MB        (1) 1M x 36     (1) 1M x 36    (1) 4M x 36

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

      32MB        (1) 8M x 36        NONE            NONE

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

      32MB        (1) 2M x 36     (1) 2M x 36    (1) 4M x 36

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

      40MB        (1) 1M x 36     (1) 1M x 36    (1) 8M x 36

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

      48MB        (1) 2M x 36     (1) 2M x 36    (1) 8M x 36

      64MB       (1) 16M x 36        NONE            NONE

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

      64MB        (1) 4M x 36     (1) 4M x 36    (1) 8M x 36

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

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

            Note: Bank 3 is not used in this configuration.

                         DRAM JUMPER CONFIGURATION

  Setting     JP60       JP61      JP62       JP70      JP71       JP72

  Mode 1     Closed     Closed    Closed     1 & 2      1 & 2     1 & 2

  Mode 2      Open       Open      Open      2 & 3      2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                      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          JP10           JP11           JP13            JP50

     64KB          Open           Open        pins 1 & 2         Open
                                                closed

    128KB          Open          Closed       pins 2 & 3         Open
                                                closed

    256KB         Closed         Closed       pins 1 & 2         Open
                                                closed

    512KB         Closed         Closed       pins 2 & 3        Closed
                                                closed

            CACHE WRITE CONFIGURATION

     Setting           JP58             JP59

  Write through        Open             Open

   Write back         Closed           Closed

                          CPU TYPE CONFIGURATION

    Type         JP3          JP5         JP8          JP42        JP43

  SL80486SX      Open        Open        1 & 2        1 & 2       1 & 2

   80486SX       Open        Open        1 & 2         Open       1 & 2

   80487SX      2 & 3        1 & 2       2 & 3         Open       1 & 2

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

  SL80486DX     1 & 2        1 & 2       2 & 3        1 & 2       1 & 2

   80486DX      1 & 2        1 & 2       2 & 3         Open       1 & 2

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

  80486DX4      1 & 2        1 & 2       2 & 3        1 & 2       1 & 2

    P24D        2 & 3        1 & 2       2 & 3         Open       1 & 2

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

  Note: Pins designated should be in the closed position.

                      CPU TYPE CONFIGURATION (CONT)

    Type        JP44      JP45       JP46      JP47       JP48      JP49

  SL80486SX    Closed    Closed     Closed     Open       Open     1 & 2

   80486SX      Open      Open       Open      Open       Open     1 & 2

   80487SX      Open      Open       Open      Open       Open     1 & 2

   CX486DX      Open      Open       Open     Closed     Closed    1 & 2

  SL80486DX    Closed    Closed     Closed     Open       Open     1 & 2

   80486DX      Open      Open       Open      Open       Open     1 & 2

  CX486DX2      Open      Open       Open     Closed     Closed    2 & 3

  80486DX4     Closed    Closed     Closed     Open       Open     1 & 2

    P24D        Open      Open       Open      Open       Open     1 & 2

    P24T        Open      Open       Open      Open       Open     1 & 2

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

      Speed              JP21               JP22               JP23

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

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

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

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

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

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

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

      75iMHz           pins 1 & 2           Open            pins 1 & 2
                        closed                                closed

  100iMHz (33MHz         Open            pins 1 & 2         pins 1 & 2
      clock)                               closed             closed

  100iMHz (50MHz         Open            pins 1 & 2            Open
      clock)                               closed

  CPU BUS RATIO CONFIGURATION

     Ratio            JP65

       2x            Closed

       3x             Open

                       CPU RDY# DELAY CONFIGURATION

         Setting                   JP55                     JP69

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

          3.3v               pins 1 & 3, 2 & 4              Open
                                  closed

   Fast VL-bus devices       pins 2 & 3, 3 & 5              Open
                                  closed

   Slow VL-bus devices      pins 3 & 4 closed              Closed

                         CPU VOLTAGE CONFIGURATION

         Voltage                   JP64                     JP73

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

          3.3v               pins 1 & 3, 2 & 4              Open
                                  closed

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

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

  VESA WAIT STATE CONFIGURATION

   Wait states         JP34

  0 wait states        Open

  1 wait state        Closed

  BUS SPEED CONFIGURATION

  CPU speed        JP35

   <= 33MHz        Open

   > 33MHz        Closed

