User's Manual
Table Of Contents
- Contents
- Chapter 1: Product introduction
- Chapter 2: Hardware information
- Chapter 3: Powering up
- Chapter 4: BIOS setup
- 4.1 Managing and updating your BIOS
- 4.2 BIOS setup program
- 4.3 Main menu
- 4.4 Ai Tweaker menu
- 4.4.1 Ai Overclock Tuner [Auto]
- 4.4.2 CPU Ratio Setting [Auto]
- 4.4.3 FSB Strap to North Bridge [Auto]
- 4.4.4 DRAM Frequency [Auto]
- 4.4.5 DRAM Command Rate [Auto]
- 4.4.6 DRAM CMD Skew on Channel A/B [Auto]
- 4.4.7 DRAM CLK Skew on Channel A/B [Auto]
- 4.4.8 DRAM Timing Control [Auto]
- 4.4.9 DRAM Static Read Control [Auto]
- 4.4.10 DRAM Dynamic Write Control [Auto]
- 4.4.11 Ai Clock Twister [Auto]
- 4.4.12 Ai Transaction Booster [Auto]
- 4.4.13 CPU Voltage [Auto]
- 4.4.14 CPU PLL Voltage [Auto]
- 4.4.15 FSB Termination Voltage [Auto]
- 4.4.16 DRAM Voltage [Auto]
- 4.4.17 NB Voltage [Auto]
- 4.4.18 SB Voltage [Auto]
- 4.4.19 Clock Over-Charging Voltage [Auto]
- 4.4.20 Load-Line Calibration [Auto]
- 4.4.21 CPU GTL Voltage Reference [Auto]
- 4.4.22 NB GTL Voltage Reference [Auto]
- 4.4.23 CPU Spread Spectrum [Auto]
- 4.4.24 PCIE Spread Spectrum [Auto]
- 4.5 Advanced menu
- 4.6 Power menu
- 4.7 Boot menu
- 4.8 Tools menu
- 4.9 Exit menu
- Chapter 5: Software support
- Chapetr 6: ATI® CrossFire™ technology support
- Appendix: CPU features

ASUS P5E64 WS Evolution A-3
A.3 Intel
®
Hyper-Threading Technology
• The motherboard supports Intel
®
Pentium
®
4 LGA775 processors with
Hyper-Threading Technology.
• Hyper-Threading Technology is supported under Windows
®
Vista/XP and
Linux 2.4.x (kernel) and later versions only. Under Linux, use the Hyper-
Threading compiler to compile the code. If you are using any other
operating systems, disable the Hyper-Threading Technology item in the
BIOS to ensure system stability and performance.
• Installing Windows
®
XP Service Pack 1 or later version is recommended.
• Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
• For more information on Hyper-Threading Technology, visit
www.intel.com/info/hyperthreading.
Using the Hyper-Threading Technology
To use the Hyper-Threading Technology:
1. Install an Intel
®
Pentium
®
4 CPU that supports Hyper-Threading Technology.
2. Power up the system and enter the BIOS Setup. Under the Advanced Menu,
make sure that the item
Hyper-Threading Technology
is set to [Enabled].
The BIOS item appears only if you installed a CPU that supports Hyper-
-Threading Technology.
3. Restart the computer.