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Q9450 Voltage

post #1 of 10
Thread Starter 
I just got my Q9450 in and installed from Microcenter for $300!

My voltage in CPU-Z (auto) is 1.128 and my idle temps are 41-44c. What's the max voltage I can use on these new 45nm chips? 1.35? 1.4?
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Project One
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Hard DriveOptical DriveOSMonitor
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post #2 of 10
never go too close to 1.4 is what i hear
post #3 of 10
1.36 I believe is what I read
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post #4 of 10
your temp seems pretty high for a lapped true on q9450 on stock.
I have reseat your cooler first and then try to overclock.
intel
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intel
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post #5 of 10
yeah thats what i would have thought too. those temps don't seem right to me either. those are like stock hsf caliber temps
post #6 of 10
Thread Starter 
I think my temps are high because the thermal compound needs to break in?
Project One
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Hard DriveOptical DriveOSMonitor
WD RaptorX 150GB x2, WD 500GB ASUS 20X DVDRW w/ Lightscribe Windows 7 64 Bit Samsung 2232GW 22" 
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CM Real Power Pro 1000watt CM Stacker 830 Evolution 
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Project One
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CPUMotherboardGraphicsRAM
Q9450 3.4/1.248v ASUS Maximus Formula MSI GTX470 Corsair TwinX x 8GB 
Hard DriveOptical DriveOSMonitor
WD RaptorX 150GB x2, WD 500GB ASUS 20X DVDRW w/ Lightscribe Windows 7 64 Bit Samsung 2232GW 22" 
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CM Real Power Pro 1000watt CM Stacker 830 Evolution 
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post #7 of 10
how does that chip overclock. im looking to get one. and the reason your temps look bad is probably the temp bug that 45nm CPUS have.
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post #8 of 10
Both 45nm c0 dual such as E8400 and c1 quad such as Q9450 have same VID ranage so I won't push vcore over 1.37.
post #9 of 10
Uh I think 1.38 and what do you use for temperature monitoring? If you use core temp switch to real temp since core temp displays wrong info. And if it still doesn't work reseat cpu and heatsink and make sure the heatsink is centered , apply thin line of thermal compound down the middle and see if it works.
XXXUnknownXXX
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XXXUnknownXXX
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post #10 of 10
In some cases, it won't matter what you choose as your temperature monitor. Q9450 and a good number of E8400 were released with defective thermal sensors.

My Q9450 idled at 41C on 2 cores and 51C on the other two cores but when I read the temp at the point of contact between the CPU and waterblock, the temp was 33-34C. Oh, and the 51C reading was stuck. It wouldn't budge. So...in conclusion, there's no accurate or even near accurate way to read the temps. You may be running cooler than ~40C readings you're getting.

Oh, and Realtemp didn't help in my case either.

http://www.alcpu.com/forums/viewtopic.php?t=386 (Core Temp forum link)
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Corsair 800D
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