5.IEEE 1394a port connector (10-1 pin IE1394_2)

This connector is for a IEEE 1394a port. Connect the IEEE 1394a module cable to this connector, then install the module to a slot opening at the back of the system chassis.

CROSSHAIR II FORMULA

TPA2- GND TPB2- +12V GND

IE1394_2

PIN 1

TPA2+GNDTPB2++12V

CROSSHAIR II FORMULA IEEE 1394 connector

Never connect a USB cable to the IEEE 1394a connector. Doing so will damage the motherboard!

You can connect the 1394 cable to ASUS Q-Connector (1394, red) first, and then install the Q-Connector (1394) to the 1394 connector onboard.

6.Thermal sensor cable connectors (2-pin OPT_TEMP1/2/3)

These connectors are for temperature monitoring. Connect the thermal sensor cables to these connectors and place the other ends to the devices which you want to monitor temperature. The optional fan1/2/3 can work with the temperature sensors for a better cooling effect.

Temperature Ground

 

OPT_TEMP3

 

CROSSHAIR II FORMULA

 

OPT_TEMP1 OPT_TEMP2

Temperature

Temperature

Ground

Ground

CROSSHAIR II FORMULA Thermal sensor cable connectors

Enable OPT1/2/3 Cable Overheat Protection in BIOS if you connect thermal sensor cables to these connectors. Refer to page 4-38 for details.

The thermal sensor cable is purchased separately.

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Chapter 2: Hardware information