Gigabyte GA-Z270X-Gaming K5 [22/48] Clr_cmos clear cmos jumper

21) 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.

22) CPU/VGA/DRAM/BOOT (Status LEDs)

The status LEDs show the current state of the CPU, memory, graphics card, and BIOS. If a particular LED

is on, that means the corresponding device is not working normally.

You may clear the CMOS values by removing the battery:

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

• 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.

20) 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.

CPU: CPU status LED

DRAM: Memory status LED

VGA: Graphics card status LED

BOOT: BIOS status LED