
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-637

Device Type              Mainboard
Processor                Pentium II
Processor Speed          233/266/300/333MHz
Chip Set                 Intel 440LX
Maximum Onboard Memory   512MB (EDO & SDRAM supported)
Cache                    256/512KB (located on Pentium II CPU)
BIOS                     Award
Dimensions               305mm x 244mm
I/O Options              32-bit PCI slots (4), floppy drive interface, IDE
                         interfaces (2), parallel port, PS/2 mouse port,
                         serial ports (2), IR connector, USB connectors
                         (2), ATX power connector, AGP slot

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Reset switch               J32

  ATX power connector        ATX       USB connector 1            J33

  EISCA connector             C1       USB connector 2            J34

  IDE interface 1            J13       AGP fan power              J43

  IDE interface 2            J14       IR connector               JP4

  Parallel port              J19       Speaker                    JP24

  Serial port 1              J20       Chassis fan power          JP28

  Serial port 2              J21       CPU fan power              JP29

  Floppy drive interface     J22       Soft off power supply       S1

  PS/2 mouse port            J24       IDE interface LED           S3

  Power LED & keylock        J27       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Flash BIOS voltage select 12v           J17           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            J17           Pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP19          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP19          Pins 2 & 3
                                                              closed

     Hard drive select any drive             JP32          Pins 1 & 2
      installed                                               closed

      Hard drive select Seagate 5v only       JP32          Pins 2 & 3
                                                              closed

                           DIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (1) 1M x 64       None           None          None

     16MB       (1) 2M x 64       None           None          None

     16MB       (1) 1M x 64   (1) 1M x 64        None          None

     24MB       (1) 2M x 64   (1) 1M x 64        None          None

     24MB       (1) 1M x 64   (1) 1M x 64    (1) 1M x 64       None

     32MB       (1) 4M x 64       None           None          None

     32MB       (1) 2M x 64   (1) 2M x 64        None          None

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

     40MB       (1) 4M x 64   (1) 1M x 64        None          None

     48MB       (1) 4M x 64   (1) 2M x 64        None          None

     48MB       (1) 2M x 64   (1) 2M x 64    (1) 2M x 64       None

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

     64MB       (1) 8M x 64       None           None          None

     64MB       (1) 4M x 64   (1) 4M x 64        None          None

     72MB       (1) 8M x 64   (1) 1M x 64        None          None

     80MB       (1) 8M x 64   (1) 2M x 64        None          None

     96MB       (1) 8M x 64   (1) 4M x 64        None          None

                        DIMM CONFIGURATION (CON'T)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     96MB        (1) 4M x 64   (1) 4M x 64    (1) 4M x 64        None

     128MB       (1) 16M x 64      None           None           None

     128MB       (1) 8M x 64   (1) 8M x 64        None           None

     128MB       (1) 4M x 64   (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     136MB       (1) 16M x 64  (1) 1M x 64        None           None

     144MB       (1) 16M x 64  (1) 2M x 64        None           None

     152MB       (1) 16M x 64  (1) 1M x 64    (1) 1M x 64    (1) 1M x 64

     160MB       (1) 16M x 64  (1) 4M x 64        None           None

     176MB       (1) 16M x 64  (1) 2M x 64    (1) 2M x 64    (1) 2M x 64

     192MB       (1) 16M x 64  (1) 8M x 64        None           None

     192MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64        None

     224MB       (1) 16M x 64  (1) 4M x 64    (1) 4M x 64    (1) 4M x 64

     256MB       (1) 16M x 64  (1) 16M x 64       None           None

     256MB       (1) 8M x 64   (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     272MB       (1) 16M x 64  (1) 16M x 64   (1) 1M x 64    (1) 1M x 64

     288MB       (1) 16M x 64  (1) 16M x 64   (1) 2M x 64    (1) 2M x 64

     320MB       (1) 16M x 64  (1) 16M x 64   (1) 4M x 64    (1) 4M x 64

     320MB       (1) 16M x 64  (1) 8M x 64    (1) 8M x 64    (1) 8M x 64

     384MB       (1) 16M x 64  (1) 16M x 64   (1) 16M x 64       None

     512MB       (1) 16M x 64  (1) 16M x 64   (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.

                             CPU SPEED SELECTION

   CPU     Clock   Multiplier   JP35/pins   JP35/pins   JP35/pins   JP35/pins
  speed    speed
                                  1 & 2       3 & 4       5 & 6      7 & 8

  233MHz   66MHz      3.5x        Open        Open        Open        Open

  266MHz   66MHz       4x         Open        Open        Open        Open

  300MHz   66MHz      4.5x        Open        Open        Open        Open

  333MHz   66MHz       5x         Open        Open        Open        Open

                         CPU SPEED SELECTION (CON'T)

   CPU     Clock   Multiplier   JP37/pins   JP37/pins   JP37/pins   JP37/pins
  speed    speed
                                  1 & 2       3 & 4       5 & 6      7 & 8

  233MHz   66MHz      3.5x       Closed       Open       Closed       Open

  266MHz   66MHz       4x         Open       Closed      Closed      Closed

  300MHz   66MHz      4.5x        Open       Closed      Closed       Open

  333MHz   66MHz       5x         Open        Open       Closed      Closed

