Onboard Buttons, Switches And Leds - Gigabyte GA-Z77X-UP5 TH rev. 1.0 User Manual

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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.
Quick Buttons
This motherboard has 3 quick buttons: power button, reset button and clearing CMOS button. 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 CMOS values
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
Hardware Installation
BIOS Switch:
SW4
1: Main BIOS (Boot from the main BIOS)
3: Backup BIOS (Boot from the backup BIOS)
BIOS LED Indicators:
MBIOS_LED (The main BIOS is active)
BBIOS_LED (The backup BIOS is active)
PW_SW: Power button
RST_SW: Reset button
CMOS_SW: Clear CMOS Button
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