Gigabyte Z390 UD V2 - Page 19

17) 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.
• 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).
Open:Normal
Short: Clear CMOS Values
18) CPU/DRAM/VGA/BOOT(StatusLEDs)
The status LEDs show whether the CPU, memory, graphics card, and operating system are working
properlyaftersystempower-on.IftheCPU/DRAM/VGALEDison,thatmeansthecorrespondingdevice
is not working normally; if the BOOT LED is on, that means you haven't entered the operating system yet.
CPU:CPU status LED
DRAM:Memory status LED
VGA:Graphics card status LED
BOOT:Operating system status LED
F_USB30
F_U
B_ 
F_  F_ 

_
B
BS_
B
SB_
B
_S

S_
_
B
_U
_
B


 
S  
 
123
 
123
 
123
 
123
1
1
1
1
BSS
S
_S 
SSU
 
1 2 3 4 5
 S3
BSSS

U
 __ 3
F_USB3F
S  _
S  _
S  _
SF


B_
B_
F
_0
S
S
_0F
_F
_
_
__B


U
S  _S
_
SF_
USB0_B
B_
F_USB3

F_USB303

_

_3U
S_
CPU DRAM
VGA BOOT
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