- 39 - BIOS Setup
CPU Host Clock Control
Enables or disables the control of CPU host clock. Auto (default) allows BIOS to automatically
adjust the CPU host frequency. Manual allows the CPU 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.
CPU Frequency (Mhz)
Allows you to manually set the CPU host frequency. The adjustable range is from 200 MHz to
500 MHz.
Important It is highly recommended that the CPU frequency be set in accordance with the CPU
specifications.
PCIE Clock (MHz)
Allows you to manually set the PCIe clock frequency. The adjustable range is from 100 MHz to
200 MHz. Auto sets the PCIe clock frequency to standard 100 MHz. (Default: Auto)
HT Link Width
Allows you to manually set the width for the HT Link between the CPU and chipset.
Auto BIOS will automatically adjust the HT Link Width. (Default)
8 bit Sets HT Link Width to 8 bit.
16 bit Sets HT Link Width to 16 bit.
HT Link Frequency
Allows you to manually set the frequency for the HT Link between the CPU and chipset.
Auto BIOS will automatically adjust the HT Link Frequency. (Default)
X1~X9 Sets HT Link Frequency to X1~X9 (200 MHz~1.8 GHz).
Set Memory Clock
Determines whether to manually set the memory clock. Auto lets BIOS automatically set the
memory clock as required. Manual allows the memory clock control item below to be configurable.
(Default: Auto)
Memory Clock
This option is configurable only when Set Memory Clock is set to Manual.
When you use a AM2 CPU:
DDR 400 Sets Memory Clock to DDR 400.
DDR 533 Sets Memory Clock to DDR 533.
DDR 667 Sets Memory Clock to DDR 667.
DDR 800 Sets Memory Clock to DDR 800.
When you use a AM2+/AM3 CPU:
X2.00 Sets Memory Clock to X2.00.
X2.66 Sets Memory Clock to X2.66.
X3.33 Sets Memory Clock to X3.33.
X4.00 Sets Memory Clock to X4.00.
X5.33 Sets Memory Clock to X5.33.
EPP Mode
(Note)
Enables or disables EPP mode when EPP memory is installed. Auto enables EPP mode for EPP
memory to enhance performance. (Default: Disabled)
EPP Voltage Control
(Note)
Allows you to configure EPP memory voltage.
Normal Lets BIOS optimize memory voltage settings. (Default)
By EPP Sets memory voltage according to the SPD data on the EPP memory.
(Note) This item appears only if you install a memory module that supports this feature.
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