Gigabyte GA-Z87X-UD5 TH User Manual download pdf (Page 28)

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Hardware Installation

• Be sure to connect fan cables to the fan headers to prevent your CPU from overheating. Over-

heating may result in damage to the CPU may hang.

• Thesefanheadersarenotcongurationjumperblocks.Donotplaceajumpercapontheheaders.

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.

Pin No. Denition

1 GND

2 +12V /Speed Control

3 Sense

4 VCC

DEBUG

PORT

G.QBOFM

7) BAT (Battery)

 Thebatteryprovidespowertokeepthevalues(suchasBIOScongurations,date,andtimeinformation)

in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low

level, or the CMOS values may not be accurate or may be lost.

You may clear the CMOS values by removing the battery:

1. Turn off your computer and unplug the power cord.

2. Gently remove the battery from the battery holder and wait for one minute.

(Oruseametalobjectlikeascrewdrivertotouchthepositiveandnegative

terminalsofthebatteryholder,makingthemshortfor5seconds.)

3. Replace the battery.

4. Plug in the power cord and restart your computer.

• Always turn off your computer and unplug the power cord before replacing the battery.

• Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with

an incorrect model.

• Contact the place of purchase or local dealer if you are not able to replace the battery by yourself

or uncertain about the battery model.

• Wheninstallingthebattery,notetheorientationofthepositiveside(+)andthenegativeside(-)

ofthebattery(thepositivesideshouldfaceup).

• Used batteries must be handled in accordance with local environmental regulations.

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Gigabyte GA-Z87X-UD5 TH User Manual Page 28