9x489 FSB - 4.4GHZ STABLE SETTINGS
I thought this might help somebody....
Rampage Formula x48, Bios 0802
Q9650 @ 4.4GHZ - 9x489 FSB
4x2GB G.Skills @ DDR2 978 1:1.
Extreme Tweaker
Quote:
Ai Overclock Tuner : [Manual]
CPU Ratio Setting : [9]
FSB Strap to North Bridge : [333]
FSB Frequency : [489]
PCI-E Frequency: [100]
DRAM Frequency: [DDR2-978]
DRAM Command Rate : [2N]
Dram CLK Skew on Channel A : [AUtO] : [200]
Dram CLK Skew on Channel B : [AUTO] : [300]
DRAM Timing Control: Manual
CAS# Latency : 5
RAS# to CAS# Delay : 5
RAS# Precharge : 3
RAS# ActivateTime : 12
RAS# to RAS# Delay : 3
Row Refresh Cycle Time : [AUTO] (52)
Write Recovery Time :
Read to Precharge Time :
Read to Write Delay (S/D) : 8
Write to Read Delay (S) : 3
Write to Read Delay (D) : 5
Read to Read Delay (S) : 4
Read to Read Delay (D) : 6
Write to Write Delay (S) : 4
Write to Write Delay (D) : 6
DRAM Static Read Control : [Disabled]
Ai Clock Twister : [Stronger] : [AUTO]
Ai Transaction Booster : [Manual]
Common Performance Level : [08] you can run lower with higher DRAM frequency.
All Pull-ins = [Disabled] You can tweak these later if you want.
CPU Voltage : [Whatever your chip needs to be stable]
CPU PLL Voltage : [1.50v] set in bios, 1.56 real
North Bridge Voltage : [1.65v] with 8GBs of DDR2 @ 978mhz 1:1
DRAM Voltage : [Whatever your chip needs to be stable]
FSB Termination Voltage : [1.40v] 1.32v real for 4.4Ghz, 9x478fsb.
South Bridge Voltage : [1.100v]
SB 1.5v Voltage : [1.60v]
Loadline Calibration : [Disabled] A preference thing for me.
CPU GTL Reference : [0.67x]Generally, 45nm quads like 0.63x and 65nm 0.67x
North Bridge GTL Reference : [0.67x]
DDR2 Channel A REF Voltage : [AUTO]
DDR2 Channel B REF Voltage : [AUTO]
DDR2 Controller REF Voltage : [AUTO]
NB LED Selection : [NB Volt]
SB LED Selection : [SB Volt]
CPU LED Selection : [CPU Volt]
Voltiminder LED : [Up to you]
CPU Spread Spectrum : Disabled
PCIE Spread Spectrum : Disabled
CPU Clock Skew : [Normal]
NB Clock Skew : [Normal]
Advanced -> CPU Configuration
Quote:
CPU Ratio Setting : [09]
C1E Suppport : Disabled
CPU TM Function : Disabled
Vanderpool Technology : Disabled
Execute Disable Bit : Disabled
Max CPUID Value Limit : Disabled
As you can see, these settings are quite different from the 9x500 settings. The volts are a little more tolerable for those on air. I have tested this and it's both prime small ffts, blend stable; as well as linpack stable. Have fun tweaking.