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Motherboard User’s Guide
Hyper Threading Technology
If your P4 CPU is not HT CPU, this item will be hidden.
If your P4 CPU is HT CPU, BIOS will show this item. You can set “Disabled”
or “Enabled” to control HT CPU support in O.S. Set “Enabled” to test HT CPU
function.
Execute Disable Bit
It allows the processor to classify areas in memory by where application code
can execute and where it cannot. When a malicious worm attempts to insert code
in the buffer, the processor disables code execution, preventing damage or worm
propagation. Replacing older computers with Execute Disable Bit-enabled
systems can halt worm attacks, reducing the need for virus related repairs.
Auto Detect DIMM/PCI Clk
When this item is enabled, BIOS will disable the clock signal of free DIMM/PCI
slots.
Spread Spectrum
If you enable spread spertrum, it can significantly reduce the EMI (Electro-
Magnetic interface) generated by the system.
Vdimm Voltage Control
Use this item to adjust the voltage of DRAM memory.
CPU TM Function
For some specific brands of CPU, you can use this item to control the CPU
frequency and voltage according to its temperature.
Max CPUID Value Limit
When this item is enabled, you can use Prescott CPU and LGA-775 CPU and
there will be a normal NT4.0 installation; otherwise, the automatically restarting
will occur while installing.
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