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Overclocking a Q9550 - Ram issues

post #1 of 3
Thread Starter 
Just received a frankenstein rig from blazed_1 because he is a cool guy like that. Anyways I am putting it together for my roommate so he can finally play some pc games.

Specs are
Asus Maximus II mobo
4gb (1gbx4) g skill ddr2 1066mhz 5-5-5-15 ram
Intel Core 2 Quad Q9550
600w Rosewill psu

I never had the luxury of really overclocking a 775 platform (since I am pretty the core duo I had was locked). So at the suggestion of blazed, I read through THIS thread pretty fully.

Even so, I am still left slightly lost on how to get the memory stable. I have gotten the OC stable at 3.9ghz with a small fft test in p95 without an issue. It's the blend that test that gives me the issues so I guess it's the ram.

I'll get a message on one or more of the workers that says "hardware failure detected, consult stress.txt file" within 5-30 seconds of starting it up. Sometimes it's all of them (not necessarily at the the exact same time), sometimes it's just one or two but that's probably because I immediately restart the computer and don't give the others a chance to fial.

I currently have it set at a 3.84ghz clock why I am trying to get the memory stable. The current settings are as follows but I have tried all sorts of combinations
Quote:

Ai Overclock Tuner [Manual]
OC From CPU Level Up [Auto]
Ratio CMOS Setting [8.5]
FSB Frequency [450]
CPU Clock Skew [Auto]
NB Clock Skew [Auto]
FSB Strap to North Bridge [Auto]
DRAM Frequency [DDR2-1081MHz]

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 [Manual]
CAS# Latency [5]
DRAM RAS# to CAS# Delay [5]
DRAM RAS# Precharge [5]
DRAM RAS# Activate to Precharge [15]

The rest of memory setting is at auto

DRAM Static Read Control [Auto]
DRAM Read Training [Auto]
MEM. OC Charger [Auto]
Ai Clock Twister [Strong]
Ai Transaction Booster [Manual]

Common Performance Level [8]

PCIE Frequency [100]

CPU Voltage [1.3925]
CPU PLL Voltage [1.53]
FSB Termination Voltage [1.33]
DRAM Voltage [2.1] (been up to 2.25)
North Bridge Voltage [1.43]
South Bridge 1.5 Voltage [1.50]
South Bridge 1.1 Voltage [1.10]

CPU GTL Reference (0) [Auto]
CPU GTL Reference (1) [-40]
CPU GTL Reference (2) [Auto]
CPU GTL Reference (3) [-40]
NB GTL Reference [Auto]
DDR2 ChA Reference Voltage [Auto]
DDR2 ChB Reference Voltage [Auto]
North Bridge DDR Reference [Auto]


CPU Configuration:

Ratio CMOS Setting [9]
C1E Support [Disabled]
Max CPUID Value Limit [Disabled]
Intel Virtualization Tech [Disabled]
CPU TM Function [Disabled]
Execute Disable Bit [Disabled]

Load-Line Calibration [Enabled, if disabled you may have to raise CPU voltage with 0,04v]
CPU Spread Spectrum [Disabled]
PCIE Spread Spectrum [Disabled]

Edited by Outlawed - 6/29/13 at 10:49am
Green Beast
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Green Beast
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post #2 of 3
I think best is to leave ram as close to default speeds as possible (Low Memory Ratio) or very ''high'' timings.

Then when you have achieved your maximum stable CPU Clock speed, then try to Overclock the memory as high as it can go.

In this way you know that when the cpu is 100% stable in a certain OC, that the RAM is now giving errors thumb.gif
Blazer
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by prescotter View Post

I think best is to leave ram as close to default speeds as possible (Low Memory Ratio) or very ''high'' timings.

Then when you have achieved your maximum stable CPU Clock speed, then try to Overclock the memory as high as it can go.

In this way you know that when the cpu is 100% stable in a certain OC, that the RAM is now giving errors thumb.gif

Thanks for the response! I'm currently out of town and won't have access to system again until next week.

There is really no way to keep the frequency of the ram the same(that I know of). That is because there is no unlinked setting between the fsb and ram clocks. Therefore whenever I change the fsb, the ram frequency changes. The timings of the ram are stock but I guess I could make them high and see if that makes a difference

I did get the cpu 100% stable using small ffts. It was the blend test that failed hinting at it being a ram issue. As suggested by blazed, I am just going to try and work up the clocks in miniscule increments.

The whole process is so damn intricate. I read up on all of it but I still feel like I am just pissing in the wind when changing all the different voltage values.
Edited by Outlawed - 7/3/13 at 9:55am
Green Beast
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Green Beast
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CPUMotherboardGraphicsRAM
i7 3930k C2 @ 4.8ghz asrock x79 extreme6 GTX 780 Corsair Vengeance 16gb (4x4gb) 
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WD Eco Friendly 1tb Mushkin Enhanced Chronos 240gb SSD EK Supreme HF Plexi/Copper CPU Block Black Ice GT Stealth 280 Radiator 
CoolingCoolingMonitorKeyboard
XSPC X2O DC-750 - Dual 5.25" Reservoir Monsoon Free Center Compression Fittings - Matt... QNIX QX2710 1440p PLS 27" logitech g105 
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