
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-541 (REV. 1)

Processor              Pentium
Processor Speed        75/90/100/120/133MHz
Chip Set               Intel
Maximum Onboard Memory 128MB (EDO supported)
Cache                  256/512KB
BIOS                   AMI/Award
Dimensions             280mm x 220mm
I/O Options            32-bit PCI slots (4), floppy drive interface, green
                       PC connector, IDE interfaces (2), parallel port,
                       PS/2 mouse interface, serial ports (2), VRM
                       connector, cache slot
NPU Options            None

[Image]

                                CONNECTIONS

        Function            Label            Function            Label

  Serial port 1              CN1       Turbo switch               JP13

  Serial port 2              CN2       Turbo LED                  JP14

  Parallel port              CN3       Green PC connector         JP19

  Floppy drive interface     CN4       IDE interface LED          JP20

  IDE interface 2            CN5       PS/2 mouse interface       JP52

  IDE interface 1            CN6       Green PC LED               JP74

  Speaker                    JP7       32-bit PCI slots         PC1 - PC4

  Power LED & keylock        JP8       VRM connector              VRM

  Reset switch               JP12      Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

                 Setting                     Label           Position

     Flash BIOS voltage select 5v            JP9              Open

      Flash BIOS voltage select 12v           JP9           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP11             Open

      CMOS memory clear                       JP11            Closed

     On board I/O enabled                    JP59          Pins 1 & 2
                                                              closed

      On board I/O disabled                   JP59          Pins 2 & 3
                                                              closed

     Monitor type select color               JP71            Closed

      Monitor type select monochrome          JP71             Open

     Password normal operation               JP72             Open

      Password clear                          JP72            Closed

                    DRAM

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 32      None

      8MB           None       (2) 1M x 32

     16MB        (2) 2M x 32      None

     16MB           None       (2) 2M x 32

     16MB        (2) 1M x 32   (2) 1M x 32

     24MB        (2) 1M x 32   (2) 2M x 32

     24MB        (2) 2M x 32   (2) 1M x 32

     32MB        (2) 4M x 32      None

     32MB           None       (2) 4M x 32

     32MB        (2) 2M x 32   (2) 2M x 32

     40MB        (2) 1M x 32   (2) 4M x 32

     40MB        (2) 4M x 32   (2) 1M x 32

     48MB        (2) 2M x 32   (2) 4M x 32

     48MB        (2) 4M x 32   (2) 2M x 32

     64MB        (2) 8M x 32      None

     64MB           None       (2) 8M x 32

                DRAM (CONT)

     Size          Bank 0        Bank 1

     64MB        (2) 4M x 32   (2) 4M x 32

     72MB        (2) 1M x 32   (2) 8M x 32

     72MB        (2) 8M x 32   (2) 1M x 32

     80MB        (2) 2M x 32   (2) 8M x 32

     80MB        (2) 8M x 32   (2) 2M x 32

     96MB        (2) 4M x 32   (2) 8M x 32

     96MB        (2) 8M x 32   (2) 4M x 32

     128MB       (2) 8M x 32   (2) 8M x 32

  Note: Board accepts EDO memory.

                                CACHE SIZE

     Size          Bank 0        Bank 1          TAG            SL1

   256KB (A)        None       (8) 32K x 8   (1) 32K x 8   Not installed

   256KB (B)        None          None          None         Installed

   256KB (C)      (2) 32K x       None       (1) 32K x 8   Not installed
                     32

   512KB (A)        None       (8) 64K x 8   (1) 32K x 8   Not installed

               CACHE JUMPER

        Size                 JP4

      256KB (A)       Pins 2 & 3 closed

      512KB (A)       Pins 1 & 2 closed

              CACHE VOLTAGE

       Setting               JP32

     Mixed mode       Pins 1 & 2 closed

        3.3v          Pins 2 & 3 closed

           CPU SPEED

  Setting     JP15      JP16

   75MHz      Open      Open

   90MHz     Closed    Closed

  100MHz      Open     Closed

  120MHz     Closed    Closed

  133MHz      Open     Closed

                      AT BUS CLOCK SPEED

    System clock         AT bus clock             JP18

        50MHz              6.25MHz         Pins 2 & 3 closed

        50MHz              8.33MHz         Pins 1 & 2 closed

        60MHz               7.5MHz         Pins 2 & 3 closed

        60MHz               10MHz          Pins 1 & 2 closed

        66MHz              8.25MHz         Pins 2 & 3 closed

        66MHz               11MHz          Pins 1 & 2 closed

         CPU MULTIPLIER

  Setting     JP3       JP58

   1.5x       Open      Open

    2x       Closed     Open

   2.5x      Closed    Closed

    3x        Open     Closed

                CPU VOLTAGE

  Setting      J8         J9        J10

   3.3v      Closed      Open      Open

   3.4v       Open      Closed     Open

   3.6v       Open       Open     Closed

                               VRM CONNECTOR

            Setting               JP50        JP51       JP56      JP57

       On board regulator        1 & 3, 2     Open      Closed    Closed
           installed               & 4

  Add on VRM installed at VRM     Open       1 & 3, 2    Open      Open
                                               & 4

   On board regulator and add     Open        Open      Closed    Closed
    on VRM installed at VRM

  Note: Pins designated should be in the closed position.

                         DMA CHANNEL

       Setting               JP60                 JP61

        DMA1           Pins 1 & 2 closed   Pins 1 & 2 closed

        DMA3           Pins 2 & 3 closed   Pins 2 & 3 closed

                                PS/2 MOUSE

               Setting                               JP52

            12-pin header              Pins 2, 3, 4, 5, 6, 8, 9, 10, 11,
                                                   12 closed

             6-pin mini                        Pins 1 - 6 closed

