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Need opinion on a qx9650 sensor.

post #1 of 9
Thread Starter 
Hello, i'm new here but been reading for some times.

Here the thing, i've recently got my hand on a used qx9650 (stepping C1) in replacement from my previous q6600.

Upon firing it for the first time i noticed that one of the core registered higher than the 3 others (around 10° at idle 5° at load), i proceeded to test the chip in overclock on my P5e-deluxe, she's doing fairly well with a stable 4ghz around 1.36v.

I was not able to resolve the temp issue on the core after several mounting and dismounting of my cooler and reapplying a bit of noctua paste.

I'm running it at 3.8ghz and the temp of the Tcase temp never go close to 64.5°c on prime 95 reaching something like 55 at max as Tjonction temps of the 3 "cools' cores dont go higher than 60 but the one "hot" core is reaching 67~68°

So do you guys think my chip is having a 45nm faulty sensors issue even though that's a C1 stepping, or is it just the thing refered as the "main" core by intel ?

Thanks for reading anyways and here are my spec in details.

Qx9650 at 3.8ghz (400*9.5, 1.320 v)
cooler master hyper tx3 (with second fan and Noctua NT-H1 on it)
Asus P5E deluxe (bios rev 0501 12/08/2009)
Program used Coretemp, realtemps, asus probe II
Edited by Portal63 - 4/3/11 at 11:13am
post #2 of 9
Quote:
Originally Posted by Portal63 View Post
Hello, i'm new here but been reading for some times.

Here the thing, i've recently got my hand on a used qx9650 (stepping C1) in replacement from my previous q6600.

Upon firing it for the first time i noticed that one of the core registered higher than the 3 others (around 10° at idle 5° at load), i proceeded to test the chip in overclock on my P5e-deluxe, she's doing fairly well with a stable 4ghz around 1.36v.

I was not able to resolve the temp issue on the core after several mounting and dismounting of my cooler and reapplying a bit of noctua paste.

I'm running it at 3.8ghz and the temp of the Tcase temp never go close to 64.5°c on prime 95 reaching something like 55 at max as Tjonction temps of the 3 "cools' cores dont go higher than 60 but the one "hot" core is reaching 67~68°

So do you guys think my chip is having a 45nm faulty sensors issue even though that's a C1 stepping, or is it just the thing refered as the "main" core by intel ?

Thanks for reading anyways and here are my spec in details.

Qx9650 at 3.8ghz (400*9.5, 1.320 v)
cooler master hyper tx3 (with second fan and Noctua NT-H1 on it)
Asus P5E deluxe (bios rev 0501 12/08/2009)
Program used Coretemp, realtemps, asus probe II
This is perfectly normal. My Q9650 are the same way. Core 0 always run hotter than the others. Core 2 and 3 are the coolest.
    
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post #3 of 9
I've seen it before too. I think it's just the nature of these CPUs.
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post #4 of 9
I've seen it on e8400's, a q9400 and a q9550. Pretty common.
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post #5 of 9
Thread Starter 
Thanks for the quicks answers turrican9, Duroc and TwoCables, in my case thats the core 1 wich is the hotter but i'll trust you no doubt, i guess as long as it doesn't hit the max Tjunction it's safe .
post #6 of 9
Quote:
Originally Posted by Portal63 View Post
Thanks for the quicks answers turrican9 and TwoCables, in my case thats the core 1 wich is the hotter but i'll trust you no doubt, i guess as long as it doesn't hit the max Tjunction it's safe .
Indeed; and you're a long way from that because the Tj. Max is 100°C. However, you'd probably have seemingly unexplained instability before it reached 100°C!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
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post #7 of 9
Its normal - as long you are below the max Tj you're ok.
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90GB Corsair Force 3 SSD Sata III 750GB WD Scorpion Black 7200RPM Toshiba DVD+ROM Custom Cooler 4x120 - 1800RPM fans 
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post #8 of 9
Thread Starter 
Thanks for all the helpfull (reassuring) answers . ( both Coretemps and aida 64 seems to use a 95°c Tj max in order to calculate my temps, i can set realtemps to 100° though )
post #9 of 9
95 ok too though.
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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