
SHUTTLE COMPUTER INTERNATIONAL, INC.

HOT-623

Device Type                Mainboard
Processor                  Pentium II
Processor Speed            233/266/300MHz
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     1GB (EDO supported)
Maximum Video Memory       None
Cache                      256/512KB (located on Pentium II CPU)
BIOS                       Award
Dimensions                 305mm x 240mm
I/O Options                32-bit PCI slots (5), floppy drive interface,
                           green PC connector, IDE interfaces (2), parallel
                           port, PS/2 mouse port, serial ports (2), IR
                           connector, USB connectors (2), ATX power
                           connector
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       Speaker                    J11

  Serial port 2              CN1       Power LED & keylock        J12

  Parallel port              CN2       IDE interface LED          JP21

  PS/2 mouse port            CN3       Green PC connector         JP22

  Serial port 1              CN4       Reset switch               JP24

  IDE interface 1            CN5       Chassis fan power          JP25

  IDE interface 2            CN6       IR connector               JP29

  Floppy drive interface     CN7       Green PC LED               JP36

  USB connector 1             J6       32-bit PCI slots         PC1  PC5

  USB connector 2             J7

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Flash BIOS voltage select 12v        JP15        Pins 1 & 2 closed

      Flash BIOS voltage select 5v         JP15        Pins 2 & 3 closed

     Factory configured  do not          JP34          Unidentified
      alter

     CMOS memory normal operation         JP42        Pins 1 & 2 closed

      CMOS memory clear                    JP42        Pins 2 & 3 closed

                           SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     8MB        (2) 1M x 36       None           None          None

     16MB       (2) 2M x 36       None           None          None

     16MB       (2) 1M x 36   (2) 1M x 36        None          None

     24MB       (2) 2M x 36   (2) 1M x 36        None          None

     24MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36       None

     32MB       (2) 4M x 36       None           None          None

     32MB       (2) 2M x 36   (2) 2M x 36        None          None

     32MB       (2) 1M x 36   (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     40MB       (2) 4M x 36   (2) 1M x 36        None          None

     48MB       (2) 4M x 36   (2) 2M x 36        None          None

     48MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36       None

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

                        SIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     64MB        (2) 8M x 36       None           None           None

     64MB        (2) 4M x 36   (2) 4M x 36        None           None

     72MB        (2) 8M x 36   (2) 1M x 36        None           None

     80MB        (2) 8M x 36   (2) 2M x 36        None           None

     96MB        (2) 8M x 36   (2) 4M x 36        None           None

     96MB        (2) 4M x 36   (2) 4M x 36    (2) 4M x 36        None

     128MB       (2) 16M x 36      None           None           None

     128MB       (2) 8M x 36   (2) 8M x 36        None           None

     128MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     136MB       (2) 16M x 36  (2) 1M x 36        None           None

     144MB       (2) 16M x 36  (2) 2M x 36        None           None

     152MB       (2) 16M x 36  (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     160MB       (2) 16M x 36  (2) 4M x 36        None           None

     176MB       (2) 16M x 36  (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     192MB       (2) 16M x 36  (2) 8M x 36        None           None

     192MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36        None

     224MB       (2) 16M x 36  (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     256MB       (2) 32M x 36      None           None           None

     256MB       (2) 16M x 36  (2) 16M x 36       None           None

     256MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     272MB       (2) 16M x 36  (2) 16M x 36   (2) 1M x 36    (2) 1M x 36

     280MB       (2) 32M x 36  (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     288MB       (2) 16M x 36  (2) 16M x 36   (2) 2M x 36    (2) 2M x 36

     304MB       (2) 32M x 36  (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     320MB       (2) 16M x 36  (2) 16M x 36   (2) 4M x 36    (2) 4M x 36

     320MB       (2) 16M x 36  (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     352MB       (2) 32M x 36  (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

     384MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36       None

     448MB       (2) 32M x 36  (2) 8M x 36    (2) 8M x 36    (2) 8M x 36

     512MB       (2) 32M x 36  (2) 32M x 36       None           None

     512MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36   (2) 16M x 36

     640MB       (2) 32M x 36  (2) 16M x 36   (2) 16M x 36   (2) 16M x 36

     768MB       (2) 32M x 36  (2) 32M x 36   (2) 32M x 36       None

    1024MB       (2) 32M x 36  (2) 32M x 36   (2) 32M x 36   (2) 32M x 36

  Note: Board accepts EDO memory.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                               CPU SPEED SELECTION

   CPU     Clock   Multiplier    JP4      JP5      JP6      JP7     JP8     JP9
  speed    speed

  233MHz   66MHz      3.5x       Open     Open    Closed   Closed   Open   Closed

  266MHz   66MHz       4x       Closed   Closed    Open    Closed   Open   Closed

  300MHz   66MHz      4.5x       Open    Closed    Open    Closed   Open   Closed

