
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-541 (VER. 2.2)

Processor           CX M1/AM K5/Pentium
Processor Speed     75/80/90/100/120/133/150/180MHz
Chip Set            Intel
Maximum Onboard     128MB (EDO supported)
Memory
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, IR connector
NPU Options         None

[Image]

                                CONNECTIONS

        Function            Label            Function            Label

  Serial port 1              CN1       Turbo LED                  JP14

  Serial port 2              CN2       Green PC connector         JP19

  Parallel port              CN3       IDE interface LED          JP20

  Floppy drive interface     CN4       PS/2 mouse interface       JP52

  IDE interface 2            CN5       IR connector               JP63

  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

  Turbo switch               JP13

                        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

     Monitor type select color               JP71            Closed

      Monitor type select monochrome          JP71             Open

     Password normal operation               JP72             Open

      Password clear                          JP72            Closed

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

      8MB           None       (2) 1M x 36

     16MB        (2) 2M x 36      None

     16MB           None       (2) 2M x 36

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

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

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

     32MB        (2) 4M x 36      None

     32MB           None       (2) 4M x 36

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

     40MB        (2) 1M x 36   (2) 4M x 36

     40MB        (2) 4M x 36   (2) 1M x 36

     48MB        (2) 2M x 36   (2) 4M x 36

     48MB        (2) 4M x 36   (2) 2M x 36

     64MB        (2) 8M x 36      None

     64MB           None       (2) 8M x 36

         DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 1M x 36   (2) 8M x 36

     72MB        (2) 8M x 36   (2) 1M x 36

     80MB        (2) 2M x 36   (2) 8M x 36

     80MB        (2) 8M x 36   (2) 2M x 36

     96MB        (2) 4M x 36   (2) 8M x 36

     96MB        (2) 8M x 36   (2) 4M x 36

     128MB       (2) 8M x 36   (2) 8M x 36

  Note: Board accepts EDO memory.

                            CACHE CONFIGURATION

     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

   512KB (B)      (2) 32K x       None          None         Installed
                     32

                  CACHE JUMPER CONFIGURATION

        Size                 JP4                  JP64

      256KB (A)        Pins 2 & 3 closed          N/A

      256KB (B)        Pins 2 & 3 closed   Pins 2 & 3 closed

      256KB (C)        Pins 2 & 3 closed   Pins 2 & 3 closed

      512KB (A)        Pins 1 & 2 closed          N/A

      512KB (B)        Pins 1 & 2 closed   Pins 1 & 2 closed

       CACHE VOLTAGE CONFIGURATION

       Setting               JP78

     Mixed mode       Pins 1 & 2 closed

        3.3v          Pins 2 & 3 closed

            CPU SPEED SELECTION

  Setting     JP15       JP16      JP79

   75MHz      Open       Open      Open

   80MHz      Open      Closed    Closed

   90MHz     Closed     Closed     Open

  100MHz     Closed      Open      Open

  120MHz     Closed     Closed     Open

  133MHz     Closed      Open      Open

  150MHz      Open       Open      Open

  180MHz     Closed     Closed     Open

                 AT BUS CLOCK SPEED SELECTION

    System clock         AT bus clock             JP18

        40MHz                5MHz          Pins 2 & 3 closed

        40MHz              6.67MHz         Pins 1 & 2 closed

        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 SELECTION

      Setting              JP3                JP58

       1.5x               Open                Open

        2x               Closed               Open

       2.5x              Closed              Closed

        3x                Open               Closed

  Note: If CX M1 is installed, JP3 & JP58 must be open.

                       CPU VOLTAGE SELECTION

     Setting            J8               J9              J10

  3.3v (STD/VR)       Closed            Open            Open

  3.4v (VR/VRE)        Open            Closed           Open

   3.6v (VRE)          Open             Open           Closed

                             VRM CONFIGURATION

            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 SELECTION

      Channel             JP59              JP60               JP61

          1           Pins 2 & 3         Pins 1 & 2        Pins 1 & 2
                         closed            closed             closed

           3           Pins 1 & 2         Pins 2 & 3        Pins 2 & 3
                         closed            closed             closed

                         PS/2 MOUSE CONFIGURATION

               Setting                               JP52

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

             6-pin mini                        Pins 1 - 6 closed

