SEANIX TECHNOLOGY, INC.

YUKON TX

Device Type          Mainboard
Processor            Pentium/Pentium MMX
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel 430TX
Maximum Onboard      512MB (EDO & SDRAM supported)
Memory
Cache                256/512KB
BIOS                 AMI
Dimensions           220mm x 260mm
I/O Options          32-bit PCI slots (4), floppy drive interface, IDE
                     interface, parallel port, PS/2 mouse port, serial
                     ports (2), 10 Base-T/100 Base-TX LAN connector

[Image]

                                CONNECTIONS

  Purpose                Location    Purpose                 Location

  ATX power connector       ATX      IR connector         CN11/pins 1 - 6

  IDE interface 1           CN1      Green-PC             CN11/pins 8 & 9
                                     connector

  IDE interface 2           CN2      Reset switch          CN11/pins 10 &
                                                                11

  Floppy drive              CN3      IDE interface LED     CN11/pins 12 &
  interface                                                     15

  10 Base-T/100             CN4      Power LED             CN11/pins 17 &
  Base-TX connector                                             19

  Parallel port             CN5      Speaker               CN11/pins 23 -
                                                                26

  PS/2 mouse port           CN7      Chassis/CPU fan            J4
                                     power

  USB connector 1          CN8A      Chassis/CPU fan            J7
                                     power

  USB connector 2          CN8B      Wake on LAN                JP9
                                     connector

  Serial port 2             CN9      32-bit PCI slots        PC1 - PC4

  Serial port 1            CN10

              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

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

      32MB        (2) 4M x 36        None

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

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

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

      64MB        (2) 8M x 36        None

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

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

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

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

     128MB        (2) 16M x 36       None

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

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

     256MB        (2) 16M x 36       None

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

  Note: Board accepts EDO memory.

    DIMM VOLTAGE SELECTION

  Voltage     JP6       JP7

    5v       Closed     Open

   3.3v       Open     Closed

                            CPU TYPE SELECTION

       CPU               JP12               JP13               JP14

   Pentium MMX         Pins 2 & 3        Pins 2 & 3         Pins 2 & 3
                        closed             closed             closed

     Pentium           Pins 1 & 2        Pins 1 & 2         Pins 1 & 2
                        closed             closed             closed

                           CPU SPEED SELECTION (INTEL)

  Speed     Bus    Multiplier   JP3    JP4      JP5      JP8      JP9     JP11
           Speed

  133MHz   66MHz       2x       2 &    Open     Open    Open     Closed   Open
                                 3

  150MHz   60MHz      2.5x      2 &   Closed   Closed   Closed   Open     Open
                                 3

  166MHz   66MHz      2.5x      2 &   Closed    Open    Open     Closed   Open
                                 3

  180MHz   60MHz       3x       1 &   Closed   Closed   Closed   Open     Open
                                 2

  200MHz   66MHz       3x       1 &   Closed    Open    Open     Closed   Closed
                                 2

  Note: Pins designated are in the closed position.

                       CPU SPEED SELECTION (INTEL MMX)

  Speed     Bus    Multiplier   JP3    JP4     JP5    JP8     JP9     JP11
           Speed

  166MHz   66MHz      2.5x      2 &   Closed   Open   Open   Closed   Open
                                 3

  200MHz   66MHz       3x       1 &   Closed   Open   Open   Closed   Closed
                                 2

  233MHz   66MHz      3.5x      1 &    Open    Open   Open   Closed   Open
                                 2

  Note: Pins designated are in the closed position.

                         ONBOARD LAN SELECTION

        Setting                  JP18                    JP20

  Onboard LAN enabled           Closed                  Closed

  Onboard LAN disabled           Open                    Open