Gigabyte GA-X99-Gaming G1 WIFI - Page 30

Hardware Installation
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6) CPU_OPT (Water Cooling CPU Fan Header)
The fan header is 4-pin and possesses a foolproof insertion design. When connecting a fan cable, be sure
toconnectitinthecorrectorientation(theblackconnectorwireisthegroundwire).Thespeedcontrol
function requires the use of a fan with fan speed control design.
DEBUG
PORT
G.QBOFM
1
7) LED_CON1 (I/O Shield Audio LED Power Connector)
The power connector provides power to the LEDs on the I/O shield on the motherboard back panel.
1
Pin No. Denition
1 GND
2 Speed Control
3 Sense
4 VCC
Pin No. Denition
1 VCC
2 GND