Gigabyte GA-970A-UD3P Instrukcja Użytkownika Pobierz pdf (Strona 23)

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Hardware Installation

3/4/5) CPU_FAN/SYS_FAN1/SYS_FAN2/PWR_FAN (Fan Headers)

 Themotherboardhasa4-pinCPUfanheader(CPU_FAN),a4-pin(SYS_FAN1)anda3-pin(SYS_FAN2)

systemfanheaders,anda3-pinpowerfanheader(PWR_FAN).Mostfanheaderspossess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. For optimum heat dissipation, it is recommended that a system fan be installed inside the

chassis.

• Be sure to connect fan cables to the fan headers to prevent your CPU and system from

overheating. Overheating may result in damage to the CPU or the system may hang.

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

CPU_FAN

SYS_FAN1

DEBUG

PORT

G.QBOFM

DEBUG

PORT

G.QBOFM

SYS_FAN2/PWR_FAN

CPU_FAN:

PinNo. Denition

1 GND

2 +12V/SpeedControl

3 Sense

4 Speed Control

SYS_FAN1:

PinNo. Denition

1 GND

2 +12V/SpeedControl

3 Sense

4 Reserve

SYS_FAN2/PWR_FAN:

PinNo. Denition

1 GND

2 +12V

3 Sense

6) CLR_CMOS (Clear CMOS Jumper)

 UsethisjumpertocleartheBIOScongurationandresettheCMOSvaluestofactorydefaults.Toclear

the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.

Open:Normal

Short:ClearCMOSValues

• Always turn off your computer and unplug the power cord from the power outlet before clearing

the CMOS values.

• Aftersystemrestart,gotoBIOSSetuptoloadfactorydefaults(selectLoadOptimizedDefaults)or

manuallyconguretheBIOSsettings(refertoChapter2,"BIOSSetup,"forBIOScongurations).

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