ASRock Z390 Taichi User Manual - Page 81

CPU Cold Bug Killer Voltage, CPU Internal PLL Voltage

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VTT DDR Voltage Configure the VTT DDR Voltage. PCH +1.05 Voltage Configure the chipset voltage (1.05V). VCCIO Voltage Configure the voltage for the VCCIO. CPU PLL Voltage Configure the voltage for the CPU PLL. CPU PLL2 Voltage Configure the voltage for the CPU PLL2. VCCSA Voltage Configure the voltage for the VCCSA. VCC PLL Voltage Configure the voltage for the VCC PLL. CPU Cold Bug Killer Voltage Cold Bug Killer Voltage. Recommended to set for Ln2 benching. It will solve most of CPU cold bug. CLK VDD Voltage Configure the voltage for the CLK VDD. DMI Voltage Configure the voltage for the DMI. CPU Internal PLL Voltage Default is 0.900V. Each step is 0.015V. Adding 9- 15 steps will helps CPU PLL to lock internal clock during High frequency under Ln2 cooling. For example: 1.020V 1.125V will be proper value. But the voltage level will be different on each processor. User has to find the best value for your own processor. CPU Vcore Voltage must higher than CPU Internal PLL Voltage, or your processor will hang. 74 English

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English
74
VTT DDR Voltage
Configure the VTT DDR Voltage.
PCH +1.05 Voltage
Configure the chipset voltage (1.05V).
VCCIO Voltage
Configure the voltage for the VCCIO.
CPU PLL Voltage
Configure the voltage for the CPU PLL.
CPU PLL2 Voltage
Configure the voltage for the CPU PLL2.
VCCSA Voltage
Configure the voltage for the VCCSA.
VCC PLL Voltage
Configure the voltage for the VCC PLL.
CPU Cold Bug Killer Voltage
Cold Bug Killer Voltage. Recommended to set for Ln2 benching. It will solve most
of CPU cold bug.
CLK VDD Voltage
Configure the voltage for the CLK VDD.
DMI Voltage
Configure the voltage for the DMI.
CPU Internal PLL Voltage
Default is 0.900V. Each step is 0.015V. Adding 9- 15 steps will helps CPU PLL to lock
internal clock during High frequency under Ln2 cooling. For example: 1.020V -
1.125V will be proper value. But the voltage level will be different on each processor.
User has to find the best value for your own processor. CPU Vcore Voltage must
higher than CPU Internal PLL Voltage, or your processor will hang.