Gigabyte GA-X99M-Gaming 5 - Onboard Buttons, Switches, and Leds

- 22 -
Hardware Installation
1-8 Onboard Buttons, Switches, and LEDs
Quick Buttons
This motherboard has three quick buttons: Power, Reset, and Clear CMOS. The power button and reset button
allow users to quickly turn on/off or reset the computer in an open-case environment when they want to change
hardwarecomponentsorconducthardwaretesting.UsethisbuttontocleartheBIOScongurationandreset
the CMOS values to factory defaults when needed.
PW_SW: Power Button
CMOS_SW: Clear CMOS Button
RST_SW: Reset Button
• Always turn off your computer and unplug the power cord from the power outlet before clearing
the CMOS values.
• NOTE: Do not use the clear CMOS button when the system is on, or the system may shutdown
and data loss or damage may occur.
• 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).
BIOS Switches and BIOS LED Indicators
TheBIOSswitch(BIOS_SW)allowsuserstoeasilyselectadifferentBIOSforbootuporoverclocking,helpingto
reduce BIOS failure during overclocking. The SB switch allows enabling or disabling of the Dual BIOS function.
TheLEDindicator(MBIOS_LED/BBIOS_LED)showswhichBIOSisactive.
2:BackupBIOS(BootfromthebackupBIOS)
1:MainBIOS(BootfromthemainBIOS)
2: Single BIOS
1: Dual BIOS
MBIOS_LED(ThemainBIOSisactive)
BBIOS_LED(ThebackupBIOSisactive)
BIOS LED Indicators:
BIOS_SW
SB
SB
BIOS_SW
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  
 S3
BSSS
U
 __ 3
F_USB3F
S  _ S  _
S  _
SF
 
B_
F _0
S S
_0F
_F
2 1
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  
 S3
BSSS
U
 __ 3
F_USB3F
S  _ S  _
S  _
SF
 
B_
F _0
S S
_0F
_F
2 1
BBIOS_LED
MBIOS_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  
 S3
BSSS
U
 __ 3
F_USB3F
S  _ S  _
S  _
SF
 
B_
F _0
S S
_0F
_F
2 1
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  
 S3
BSSS
U
 __ 3
F_USB3F
S  _ S  _
S  _
SF
 
B_
F _0
S S
_0F
_F
2 1
CMOS_SW
PW_SW
RST_SW