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 4-1
4.1 Managing and updating your BIOS
The following utilities allow you to manage and update the motherboard Basic
Input/Output System (BIOS) setup.
1. ASUS Update (Updates the BIOS in Windows
®
environment.)
2. ASUS EZ Flash 2 (Updates the BIOS using a oppy disk or USB ash disk.)
3. ASUS AFUDOS (Updates the BIOS using a bootable oppy disk.)
4. ASUS CrashFree BIOS 3 (Updates the BIOS using a bootable oppy disk,
USB ash disk or the motherboard support DVD when the BIOS le fails or
gets corrupted.)
Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS le to a bootable oppy disk or
USB ash disk in case you need to restore the BIOS in the future. Copy the
original motherboard BIOS using the ASUS Update or AFUDOS utilities.
Installing ASUS Update
To install ASUS Update:
1. Place the support DVD in the optical drive. The Drivers menu appears.
2. Click the Utilities tab, then click Install ASUS Update VX.XX.XX.
3. The ASUS Update utility is copied to your system.
4.1.1 ASUS Update utility
The ASUS Update is a utility that allows you to manage, save, and update the
motherboard BIOS in Windows
®
environment. The ASUS Update utility allows you
to:
• Save the current BIOS le
• Download the latest BIOS le from the Internet
• Update the BIOS from an updated BIOS le
• Update the BIOS directly from the Internet, and
• View the BIOS version information.
This utility is available in the support DVD that comes with the motherboard
package.
ASUS Update requires an Internet connection either through a network or an
Internet Service Provider (ISP).