1-8 OnboardLEDs,Buttons,andSwitches
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.
OC_BUTTON
MBIOS_LED
CPU DRAM
VGA BOOT
SB
BIOS_SW
BBIOS_LED
- 14 -
OC Button (OC_BUTTON)
The OC button helps enthusiasts and overclockers not only get the most performance from their hardware,
but also the absolute most enjoyable OC experience. Press this button to load the most optimized GIGABYTE
overclocking conguration for your hardware.
2: Backup BIOS (Boot from the backup BIOS)
1: Main BIOS (Boot from the main BIOS)
BIOS_SW
2: Single BIOS
1: Dual BIOS
SB
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3
BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
1
2
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3
BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
1
2
MBIOS_LED (The main BIOS is active)
BBIOS_LED (The backup BIOS is active)
BIOS LED Indicators:
BIOSSwitches(BIOS_SW,SB)andBIOSLEDIndicators
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 DualBIOS
™
function.
The LED indicator (MBIOS_LED/BBIOS_LED) shows which BIOS is active.
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3
BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
1
2
F_USB30
F_U
B_
F_ F_
_
B
BS_
B
SB_
B
_S
S_
_
B
_U
_
B
S
123
123
123
123
1
1
1
1
BSS
S
_S
SSU
1 2 3 4 5
S3
BSSS
U
__ 3
F_USB3F
S _
S _
S _
SF
B_
1
2
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