Gigabyte GA-Z97X-UD5H User Manual - Page 22

Onboard Buttons, Switches and LEDs, Quick Buttons, BIOS Switches and BIOS LED Indicators - overclocking

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S_ S_ U __ 3 U __ 3 1-8 Onboard Buttons, Switches and LEDs B SS S B SS S SF SF B_ B_ 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. S_ S_ SB BIOS_SW MBIOS_LED BBIOS_LED BIOS Switch: BIOS_SW 2 1: Main BIOS (Boot from the main BIOS) 1 2 2: Backup BIOS (Boot from the backup BIOS) 1 S3 SB 2 1: Dual BIOS 1 S3 2 2: Single BIOS 1 BIOS LED Indicators: MBIOS_LED (The main BIOS is active) BBIOS_LED (The backup BIOS is active) 11 22 33 11 22 33 Quick Buttons This motherboard has 3 quick buttons: power button, reset button and clear 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 ha11r22d33ware components or conduct hardware testing. Use this button to clear the BIOS configuration and reset the CMOS values to factory defaults when needed. 1 23 CMOS_SW 1 23 1 23 11 RST_SW 11 PW_SW PW_SW: Power button RST_SW: Reset button CMOS_SW: Clear CMOS Button 11 1 1 F_ U F_ U B_ B_ S S F_ F_ B SS 1 _S B SS 11 S _S 1 23 S 11 22 33 1 F_USB30 F_USB30 •• Always turn off your computer and unplug the power cord from the power outlet before using the clear CMOS button. •• 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 configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations). Hardware Installation - 22 -

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- 22 -
Hardware Installation
1-8
Onboard Buttons, Switches and LEDs
Quick Buttons
This motherboard has 3 quick buttons: power button, reset button and clear 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 BIOS
configuration and reset the CMOS values to factory defaults when needed.
PW_SW:
Power button
RST_SW:
Reset button
CMOS_SW:
Clear CMOS Button
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)
BIOS Switch:
MBIOS_LED (The main BIOS is active)
BBIOS_LED (The backup BIOS is active)
BIOS LED Indicators:
BIOS_SW
2: Single BIOS
1: Dual BIOS
SB
BIOS_SW
SB
CMOS_SW
PW_SW
RST_SW
•
Always turn off your computer and unplug the power cord from the power outlet before using
the clear CMOS button.
•
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 configure the BIOS settings (refer to Chapter 2, "BIOS Setup," for BIOS configurations).
1
2
1
2
1
2
1
2
MBIOS_LED
BBIOS_LED