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 4-21
REF Cycle Time [Auto]
Conguration options: [Auto] [30 DRAM Clocks] [36 DRAM Clocks]
[48 DRAM Clocks] [60 DRAM Clocks] [72 DRAM Clocks] [82 DRAM Clocks]
[88 DRAM Clocks] [90 DRAM Clocks] [100 DRAM Clocks] [110 DRAM
Clocks]
WRITE Recovery Time [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
READ to PRE Time[Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
2nd Information: 8-4-6-4-7-4-7
The values vary depending on your settings of the following sub-items:
READ to WRITE Delay(S/D) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
WRITE to READ Delay(S) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
WRITE to READ Delay(D) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
READ To READ Delay(S) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
READ To READ Delay(D) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
WRITE To WRITE Delay(S) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
WRITE To WRITE Delay(D) [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
3rd Information: 15-6-1-7-7
The values vary depending on your settings of the following sub-items:
WRITE to PRE Delay [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[31 DRAM Clocks]
READ to PRE Delay [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
PRE to PRE Delay [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[ 3 DRAM Clocks]
ALL PRE to ACT Delay [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]