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Chapter 1: Product introduction
Chapter 1
2. TPU switch
Enable this switch to automatically optimize the system for fast, yet stable clock
speeds.
Enable this switch when the system is powered off.
• The TPU LED (O2LED2) near the TPU switch lights up when the TPU switch is
enabled. Refer to section 1.2.7 Onboard LEDs for the exact location of the TPU LED.
• If you enable this switch under a Windows
®
OS environment, the TPU function will be
activated after the next system bootup.
• You may use the TurboV and Auto Tuning feature in the TurboV EVO application,
adjust the BIOS setup program, or enable the TPU switch at the same time. However,
the system will use the last setting you have made.
P8Z77-I DELUXE/WD
TPU Boost
P8Z77-I DELUXE/WD TPU Boost switch
1.2.7 Onboard LEDs
1. Onboard LED
The motherboard comes with a standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.
P8Z77-I DELUXE/WD
SB_PWR
ON
Standby Power Powered Off
OFF
P8Z77-I DELUXE/WD Onboard LED