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ASUS Z87-A
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3. TPU switch
With its two-level adjustment functions, the TPU allows you to automatically adjusts the
CPU ratio and clock speed for an optimal system performance.
• Enable this switch when the system is powered off.
• When the TPU switch is set to Enabled (TPU_I: CPU Ratio Boost), the system
automatically adjusts the CPU ratio for an enhanced performance.
• When the TPU switch is set to Enabled (TPU_II: CPU BCLK and Ratio Boost), the
system automatically adjusts the base clock rate (BLCK) and the CPU ratio for a more
enhanced performance.
• The TPU LED (TPU_LED) near the TPU switch lights up when the TPU switch is
enabled. Refer to section 1.7 Onboard LEDs for the exact location of the TPU LED.
• If you enable this switch under Windows
®
OS environment, the TPU function will be
activated after the next system bootup.
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.
• When the system is on and you press the DirectKey button, your system will shut
down. Press the DirectKey button again or the Power-on button to reboot and enter
the BIOS directly.
• Turn off your system using the power-on button to allow your system to go through
POST (without entering the BIOS) when you reboot your system.
• Refer to section 2.8 Boot Menu for details about setting the DirectKey default
function.