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

4-22 Chapter 4: BIOS setup
ALL PRE to REF Delay [Auto]
Conguration options: [Auto] [ 1 DRAM Clocks]~[15 DRAM Clocks]
4.4.9 DRAM Static Read Control [Auto]
Adjusting this item might enhance DRAM overclocking ability.
Conguration options: [Auto] [Disabled] [Enabled]
4.4.10 DRAM Dynamic Write Control [Auto]
Adjusting this item might enhance DRAM overclocking ability.
Conguration options: [Auto] [Disabled] [Enabled]
4.4.11 Ai Clock Twister [Auto]
Allows you to set the DRAM performance. Set this item to [Light] or [Lighter]
to enhance DRAM stability, or [Strong] or [Stronger] to accelerate DRAM
performance.
Conguration options: [Auto] [Lighter] [Light] [Moderate] [Strong] [Stronger]
4.4.12 Ai Transaction Booster [Auto]
Allows you to set the system performance.
Conguration options: [Auto] [Manual]
The following two sub-items appear only when you set the Ai Transaction
Booster item to [Manual].
Common Performance Level [05]
Set this item to a higher level for better compatibility or a lower level for better
performance. Use the <+> and <-> keys to adjust the value. The values
range from 1 to 31.
Pull-In of CHA/B PH1/2/3/4/5 [Disabled]
Set this item to [Enabled] to apply enhancement on DRAM Channel A and B,
Phase 1 to 5. The number of phases is determined by DRAM frequency and
FSB strap.
Conguration options: [Disabled] [Enabled]
The following seven items are adjusted by typing the desired values using the
numeric keypad and press the <Enter> key. You can also use the <+> and <->
keys to adjust the value. To restore the default setting, type [auto] using the
keyboard and press the <Enter> key.
4.4.13 CPU Voltage [Auto]
Allows you to set the CPU VCore voltage. The values range from 0.85000V to
1.70000V with a 0.00625V interval.