Gigabyte GA-X58A-UD5 User Manual page 45

>>>>> Standard Clock Control
Base Clock(BCLK) Control
Enables or disables the control of CPU base clock. Enabled will allow the BCLK Frequency(Mhz) item
below to be configurable. Note: If your system fails to boot after overclocking, please wait for 20 seconds
to allow for automated system reboot, or clear the CMOS values to reset the board to default values.
(Default: Disabled)
BCLK Frequency(Mhz)
Allows you to manually set the CPU base clock. The adjustable range is from 100 MHz to 1200 MHz.
This item is configurable only if the Base Clock(BCLK) Control option is enabled.
Important: It is highly recommended that the CPU frequency be set in accordance with the CPU specifi-
cations.
PCI Express Frequency(Mhz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 90 MHz to 150 MHz.
Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
>>>>> Advanced Clock Control
CPU Clock Drive
Allows you to adjust the amplitude of the CPU and North Bridge clock.
Options are: 700mV, 800mV (default), 900mV, 1000mV.
PCI Express Clock Drive
Allows you to adjust the amplitude of the PCI Express and North Bridge clock.
Options are: 700mV, 800mV, 900mV (default), 1000mV.
CPU Clock Skew
Allows you to set the CPU clock prior to the North Bridge clock.
Options are: 0ps~750ps. (Default: 0ps)
IOH Clock Skew
Allows you to set the North Bridge clock prior to the CPU clock.
Options are: 0ps~750ps. (Default: 0ps)
- 45 - BIOS Setup