Onboard Buttons, Switches, And Leds - Gigabyte GA-Z77X-UD3H User Manual

1-8

Onboard Buttons, Switches, and LEDs

BIOS Switch and BIOS LED Indicators
The BIOS switch (SW4) allows users to easily select a different BIOS for boot up or overclocking, helping to reduce
BIOS failure during overclocking. The LED indicator (MBIOS_LED/BBIOS_LED) shows which BIOS is active.
3 2 1
3 2 1
DIP
DIP
Quick Buttons
DIP
DIP
This motherboard has 3 quick buttons: power button, reset button and clearing CMOS button. The power button
1 2 3
1 2 3
and reset button allow users to quickly turn on/off or reset the computer in an open-case environment when they
(X58A-OC) Switch PWM
(X58A-OC) Switch PWM
want to change hardware components or conduct hardware testing. Use this button to clear the CMOS values
(e.g. date information and BIOS configurations) and reset the CMOS values to factory defaults when needed.
M_SATA
M_SATA
1
1
1
1
(X58A-OC) Switcher BIOS
(X58A-OC) Switcher BIOS
Always turn off your computer and unplug the power cord from the power outlet before clearing
•
F_PANEL(NH)
F_PANEL(NH)
the CMOS values.
After system restart, go to BIOS Setup to load factory defaults (select
•
Defaults) or manually configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS
configurations).
Hardware Installation
BIOS Switch:
SW4
1: Main BIOS (Boot from the main BIOS)
3: Backup BIOS (Boot from the backup BIOS)
(SW4) Switcher BIOS
(SW4) Switcher BIOS
BIOS LED Indicators:
MBIOS_LED (The main BIOS is active)
BBIOS_LED (The backup BIOS is active)
(SATA)(X58A-OC) connector power PCIe
(SATA)(X58A-OC) connector power PCIe
module(X58A-OC) measurement Voltage
module(X58A-OC) measurement Voltage
PW_SW: Power button
RST_SW: Reset button
CMOS_SW: Clear CMOS Button
DB_PORT
DB_PORT
F_AUDIO(H)
F_AUDIO(H)
- 22 -
3) points(G1.Sniper measurement Voltage
3) points(G1.Sniper measurement Voltage
w/housing
w/housing
TPM
TPM
F_USB30
F_USB30
Load Optimized