
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-409 (VER. 2.2)

Processor       80486SX/80487SX/AM486DX/80486DX/80486DX2/Pentium Overdrive
Processor Speed 25/33/40/50(internal)/50/66(internal)MHz
Chip Set        OPTI
Max. Onboard    32MB
DRAM
Cache           64/128/256KB
BIOS            AMI
Dimensions      260mm x 220mm
I/O Options     32-bit VESA local bus slots
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            J1        Turbo switch              JP28

  Power LED & keylock         J5        Reset switch              SW1

  Speaker                     J6        32-bit VESA local      SL1 & SL2
                                        bus slots

  Turbo LED                  JP24

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal             J1           pins 2 & 3
                                                              closed

      Battery type select external             J1             Closed

     Monitor type select color               JP1             Closed

      Monitor type select monochrome          JP1              Open

     Factory configured - do not             JP32          pins 2 & 3
      alter                                                   closed

     ADS# signal not delayed                 JP40          pins 1 & 2
                                                              closed

      ADS# signal delayed                     JP40          pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

                            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) 8K x 8

       256KB          (4) 32K x 8        (4) 32K x 8      (1) 16K or (1)
                                                             32K x 8

                        CACHE JUMPER CONFIGURATION

     Size           JP7            JP9           JP15            JP22

     64KB        pins 2 & 3        Open          Open            Open
                  closed

    128KB        pins 1 & 2       Closed        Closed           Open
                  closed

    256KB        pins 2 & 3       Closed        Closed          Closed
                  closed

                          CPU TYPE CONFIGURATION

           Type                     JP11                    JP12

          80486SX                   Open              pins 2 & 3 closed

          80487SX             pins 2 & 3 closed       pins 1 & 2, 3 & 4
                                                           closed

          80486DX             pins 1 & 2 closed       pins 1 & 2, 3 & 4
                                                           closed

         80486DX2             pins 1 & 2 closed       pins 1 & 2, 3 & 4
                                                           closed

     Pentium Overdrive        pins 2 & 3 closed       pins 1 & 2, 3 & 4
                                                           closed

                          CPU SPEED CONFIGURATION

      Speed              JP10               JP16               JP23

      25MHz              Open            pins 2 & 3           Closed
                                           closed

      33MHz             Closed           pins 2 & 3            Open
                                           closed

      40MHz              Open            pins 2 & 3            Open
                                           closed

      50iMHz             Open            pins 2 & 3           Closed
                                           closed

      50MHz              Open            pins 1 & 2           Closed
                                           closed

      66iMHz            Closed           pins 2 & 3            Open
                                           closed

                          VESA MODE CONFIGURATION

      Mode              JP13             JP18                 U43

   Slave mode          Closed           Closed           Not installed

    Master and          Open             Open              Installed
   slave mode

  VESA WAIT STATE CONFIGURATION

   Wait states          J20

  0 wait states       Closed

  1 wait state         Open

  BUS SPEED CONFIGURATION

  CPU speed        JP21

   <= 33MHz       Closed

   > 33MHz         Open

           VESA DEVICE COMPATIBILITY CONFIGURATION

        Setup                JP29                 JP39

          0            pins 1 & 2 closed   pins 1 & 2 closed

          1            pins 1 & 2 closed   pins 2 & 3 closed

          2            pins 2 & 3 closed   pins 2 & 3 closed

