SEANIX TECHNOLOGY, INC.

YUKON HX

Processor            Pentium
Processor Speed      75/90/100/120/133/150/166/200/MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 AMI
Dimensions           254mm x 218mm
I/O Options          32-bit PCI slots (4), floppy drive interface, green PC
                     connector, IDE interfaces (2), SCSI interface,
                     parallel port, PS/2 mouse interface, serial ports (2),
                     IR connector, USB connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose              Location     Purpose                   Location

  IDE interface 1        CN1        IR connector             J36 pins 20
                                                                - 24

  IDE interface 2        CN2        Speaker                  J36 pins 26
                                                                - 29

  Floppy drive            J1        Parallel port                JP1
  interface

  SCSI interface         J28        Serial port 1                JP2

  Chassis fan        J36 pins 1 &   Serial port 2                JP3
  power                   2

  Reset switch       J36 pins 4 &   USB connector\PS/2           JP6
                          5         mouse

  Power LED &        J36 pins 7 -   SCSI LED                     JP8
  keylock                 11

  IDE interface       J36 pins 13   32-bit PCI slots          PC1 – PC4
  LED                    - 16

  Green PC            J36 pins 17
  connector              & 18

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   CMOS memory normal operation          J8               Open

      CMOS memory clear                     J8              Closed

  »   Plug & play enabled                   J11        Pins 1 & 2 closed

      Plug & play disabled                  J11        Pins 2 & 3 closed

  »   Factory configured - do not           J30          Unidentified
      alter

                        DRAM CONFIGURATION

         Size                 Bank 0                Bank 1

         8MB               (2) 1M x 36               None

         16MB              (2) 2M x 36               None

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

         32MB              (2) 4M x 36               None

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

         64MB              (2) 8M x 36               None

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

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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

                        DRAM VOLTAGE CONFIGURATION

         Voltage                   JB2                      JB3

          3.3v                     Open            Pins 1 & 2, 3 & 4, 5 &
                                                          6 closed

           5v              Pins 1 & 2, 3 & 4, 5             Open
                                & 6 closed

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                            CPU SPEED SELECTION

    CPU     Clock    Multiplier    J2      J3       J4        J5     JB1
  speed     speed

  75MHz     50MHz       1.5x      Open    Closed   Closed    Open     1 &
                                                                     3, 2
                                                                     & 4

  90MHz     60MHz       1.5x       1 &    Closed   Open     Closed    1 &
                                   2                                 3, 2
                                                                     & 4

  100MHz    66MHz       1.5x       2 &    Open     Closed   Closed    1 &
                                   3                                 3, 2
                                                                     & 4

  120MHz    60MHz        2x        1 &    Closed   Open     Closed    2 &
                                   2                                 4, 3
                                                                     & 5

  133MHz    66MHz        2x        2 &    Open     Closed   Closed    2 &
                                   3                                 4, 3
                                                                     & 5

  150MHz    60MHz       2.5x       1 &    Closed   Open     Closed    3 &
                                   2                                 5, 4
                                                                     & 6

  166MHz    66MHz       2.5x       2 &    Open     Closed   Closed    3 &
                                   3                                 5, 4
                                                                     & 6

  200MHz    66MHz        3x        2 &    Open     Closed   Closed    1 &
                                   3                                 3, 4
                                                                     & 6

                           CPU VOLTAGE SELECTION

        Voltage                  J31                      JP9

      2.8v – 2.9v               Open                      Open

      3.3v – 3.6v              Closed           1 & 2, 3 & 4, 5 & 6, 7 &
                                                   8, 9 & 10, 11 & 12

  Note: Pins designated should be in the closed position.