Q9550 OC, help me optimize it.

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Aphro_EVO

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Currently running at 3GHz. My aim is to attain a modest 3.2GHz - at stock voltage*. Its running very stable in these settings. Play all my games in these settings, also Prime95d it for 3+ hrs, just to reinforce my faith in current settings so that i can go up.
Some important details
RAM = Patriot Signature PC6400 5-5-5-15 Stock
Mobo= ASUS P5Q E Bios - 2.61

The only changes I made in BIOS to achieve this are -
(a) CPU multiplier - 8.5
(b) FSB freq - 353 MHz
(c) Core voltage - 1.20625V (VDroop =~0.02225)
(c) Intel speedstep disabled
(d) Mem OC charger set to Enabled

Rest all settings auto.

See the pics for details.



A couple of queries :
1. Which setting in BIOS helps me FIX the ram divider at 1:1?
2. Is this vcore enough to take it upto 3.2? (vcore fluctuates between 1.184-1.192, does that implicate I cant go lower than this?)
3. What other changes in bios can be made to achieve the same in a more efficient manner?

Any suggestion or question regarding my current Q9550 settings is welcome.
 
1. Which setting in BIOS helps me FIX the ram divider at 1:1?

FSB Strap to North Bridge = auto = 1:1.
 
I to 3.4 GHz using these settings

But I used to chill water cooling

CPU Ratio Setting: 8.5

FSB Strap to North Bridge: 400

FSB Frequency: 400

PCI-E Frequency: 100

DRAM Frequency: DDR2-400

DRAM CLK Skew on Channel A1: AUTO

DRAM CLK Skew on Channel A2: AUTO

DRAM CLK Skew on Channel B1: AUTO

DRAM CLK Skew on Channel B2: AUTO

DRAM Timing Control: AUTO

CPU Voltage: 1.2250

CPU GTL Voltage Reference (0/2): 0.63

CPU GTL Voltage Reference (1/3): 0.63

CPU PLL Voltage: 1.56

FSB Termination Voltage: 1.26

DRAM Voltage: 1,8

NB Voltage: 1.24

NB GTL Reference: AUTO

SBridge Voltage: 1.20

PCIE SATA Voltage: 1.60

Load-line calibration: enabled

CPU spread spectrum: disabled

PCIE spread spectrum: disabled

Advance CPU Settings

CPU Ratio Setting: 8.5

C1E Suppport: Disabled

.................................................................................................................

ASUS P5Q-E P45,Intel® Core™ 2 Quad Q9550,Sapphire Radeon HD 4870,TEAMGROUP Xtreem Dark 4GB (2x2GB) PC8500,Thermaltake 700WT,LCD 24''Samsung 2493HM,DVI,HDMI,os.vista X64 ultimat OEM,hlajenje EKWaterBlocks
 
Woot you got exact same setup as me. :)

Thanks a lot for ^^ these settings Kmet it will help me a lot, I will jump onto it once I reach home from work.

Can I use lower DRAM voltage & NB voltage than yours, although my sticks are rated at 1.8v?
 
---Can I use lower DRAM voltage & NB voltage than yours,---

of course

Try what you can lower
 
@ Aphro : Do you have the same rams as Kpet?

IF rams differ then the settings may differ too. Be careful with the volts :)
 
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