SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-671

Device Type              Mainboard
Processor                Pentium II/Celeron
Processor Speed          233/266/300/333MHz
Chip Set                 Intel 440EX
Maximum Onboard Memory   256MB (EDO & SDRAM supported)
Audio Chip Set           OPTI
Cache                    0/128/256/512KB (located on the CPU)
BIOS                     Award
Dimensions               244mm x 170mm
I/O Options              32-bit PCI slots (3), floppy drive interface,
                         game/MIDI port, IDE interfaces (2), parallel
                         port, PS/2 mouse port, PS/2 mouse interface,
                         serial ports (2), serial port, IR connector, USB
                         connectors (2), ATX power connector, AGP slot,
                         line in, line out, microphone in, audio in –
                         CD-ROMs (2), wake on LAN connector

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Floppy drive               CN13
                                       interface

  ATX power connector        ATX       IR connector                J3

  EISCA connector             C1       Chassis fan power          J13

  Game/MIDI port             CN1       Wake on LAN connector      J14

  Microphone in              CN2       Reset switch               J16

  Line in                    CN3       AGP fan power              J18

  Line out                   CN4       CPU fan power              JP3

  Serial port 2              CN5       CPU fan power              JP5

  Serial port 1              CN6       Speaker                    JP9

  Parallel port              CN7       Power LED                  JP10

  USB connector 1            CN8       32-bit PCI slots         PC1 – PC3

  USB connector 2            CN9       Soft off power supply       S2

  PS/2 mouse port            CN10      IDE interface LED           S3

  IDE interface 2            CN11      Audio in – CD-ROM          SJ1

  IDE interface 1            CN12      Audio in – CD-ROM          SJ2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not           J1           Unidentified
      alter

      Flash BIOS voltage select 12v         JP8        Pins 1 & 2 closed

      Flash BIOS voltage select 5v          JP8        Pins 2 & 3 closed

  »   CMOS memory normal operation         JP11        Pins 1 & 2 closed

      CMOS memory clear                    JP11        Pins 2 & 3 closed

  »   Factory configured - do not          SJP1          Unidentified
      alter

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

     16MB        (1) 1M x 64   (1) 1M x 64

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

     32MB        (1) 2M x 64   (1) 2M x 64

     40MB        (1) 4M x 64   (1) 1M x 64

     48MB        (1) 4M x 64   (1) 2M x 64

     64MB        (1) 8M x 64      None

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

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

     96MB        (1) 8M x 64   (1) 4M x 64

              DIMM CONFIGURATION (CON’T)

       Size            Bank 0            Bank 1

      128MB         (1) 16M x 64          None

      128MB          (1) 8M x 64       (1) 8M x 64

      136MB         (1) 16M x 64       (1) 1M x 64

      144MB         (1) 16M x 64       (1) 2M x 64

      160MB         (1) 16M x 64       (1) 4M x 64

      192MB         (1) 16M x 64       (1) 8M x 64

      256MB         (1) 16M x 64      (1) 16M x 64

            Note: Board accepts EDO & SDRAM memory.

                            CACHE CONFIGURATION

            Note: 256KB/512KB cache is located on the Pentium II CPU.
            128KB cache is located on the Celeron 300A & 333 CPU.

                            CPU SPEED SELECTION

    CPU       Clock     Multiplier    JP2/pins 1   JP2/pins 3  JP2/pins 5
   speed     speed                       & 2          & 4         & 6

  233MHz     66MHz         3.5x         Open         Open         Open

  266MHz     66MHz          4x          Open         Open         Open

  300MHz     66MHz         4.5x         Open         Open         Open

  333MHz     66MHz          5x          Open         Open         Open

                        CPU SPEED SELECTION (CON’T)

    CPU       Clock      Multiplier     JP6A     JP6B     JP6C     JP6D
   speed      speed

  233MHz      66MHz         3.5x       2 & 3     Open    2 & 3     Open

  266MHz      66MHz          4x         Open    2 & 3    2 & 3     2 & 3

  300MHz      66MHz         4.5x        Open    2 & 3    2 & 3     Open

  333MHz      66MHz          5x         Open     Open    2 & 3     2 & 3

            Note: Pins designated should be in the closed position. If
            BIOS detects multiplier, set all above jumpers to pins 1 & 2
            closed

                         KEYBOARD/MOUSE SELECTION

            Setting                     JP1                   JP4

    Keyboard/mouse power on      Pins 2 & 3 closed     Pins 2 & 3, 5 & 6
            enabled                                         closed

    Keyboard/mouse power on      Pins 1 & 2 closed     Pins 1 & 2, 4 & 5
           disabled                                         closed

    Mouse power on enabled       Pins 2 & 3 closed     Pins 2 & 3, 4 & 5
                                                            closed

  Keyboard power on disabled     Pins 2 & 3 closed     Pins 1 & 2, 5 & 6
                                                            closed

  Note: The location of the above jumpers is unidentified.