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Different cooler's, same temp

post #1 of 6
Thread Starter 
Hi!
Thank you for reading my thread.

First thing first, i am not a "noob". I have been messing around with computers for over a decade now and things I don't know i learn fast

I suddenly got some temprature issues on my system.
When i bought my ASUS P5N-E SLi motherboard my cpu temperatures where suddenly alot higher than om my old ASRock 775DUAL-880PRO motherboard.
The CPU is an old Socket775 P4 640 3.2gHz.
I am using Arctic Silver 5.

On my old ASRock 775DUAL-880PRO motherboard i had these temperatures:
Idle: 40*C (without C1 and speedstep)
Load: 47*C
That was with the Arctic Cooling Freezer 7 Pro running @ 1650rpm (max 2600rpm)

On my new ASUS P5N-E SLi i got these temperatures:
Idle: 45*C (with C1 and speedstep)
Load 61*C

The strange thing is when i changed CPU-cooler, the cpu-temp stayed the same?
Intel stock P4 Cooler: IDLE: 47*C LOAD: 61*C
Arctic Cooling Freezer 7 Pro: IDLE: 47*C LOAD: 61*C
Noctua NH-U12F: IDLE: 47*C LOAD: 61*C

I know that you shall not compare different motherboard temps, but 14*C difference is ALOT anyway!

I sanded the CPU IHS with some sanding-paper and the IHS is as flat at is can get now. (Well, flat as a IKEA-table can be )
The temp sunk 3*C
I will try to sand the IHS even more when I got the time, I got some really fine sand-paper now and it should get pretty smooth.

I've tried to up the vcore to find out how much the temp rises.
Stock voltage on this CPU is 1,3V. I tried to rise it to 1,5V and see how warm it got.
After a few minutes of Orthos it got to 74*c and it started to throttle (used Throttlewatch to figure that out). It throttled about 22% to prevent the temp to rise any further.
This was at stock speed (fsb 200mHz).

It seems to be poor contact between heatsink and the cpu.
For fun i tried without any thermal-paste and the temp got really high!

Now i got a good cooler and a good motherboard for overclocking but i can't overclock with my high temps.

I FIGURED OUT WHY THE TEMP WHERE ALL OVER THE PLACE! It was proberly the bracket that holds the cpu in place. I removed it and now everything seems to be in order.
Temprature droppet from 61*C load to 54*C with my Noctua NH-U12F cooler in Orthos. So now the overclocking has begun

Thank you guys for helping me
    
CPUMotherboardGraphicsRAM
Pentium4 640 3.2gHz ASUS P5N-E SLi MSI 7900GTO GeiL Ultra 2GB 667mHz (3-4-4-8) 
Hard DriveOSMonitorKeyboard
Western Digital Windows XP SP2 Sony SDM-HS95P Logitech MX700 
PowerCaseMouseMouse Pad
Thermaltake Silent PurePower 420Watt Antec P180 Logitech MX1000 S&S Steel 
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CPUMotherboardGraphicsRAM
Pentium4 640 3.2gHz ASUS P5N-E SLi MSI 7900GTO GeiL Ultra 2GB 667mHz (3-4-4-8) 
Hard DriveOSMonitorKeyboard
Western Digital Windows XP SP2 Sony SDM-HS95P Logitech MX700 
PowerCaseMouseMouse Pad
Thermaltake Silent PurePower 420Watt Antec P180 Logitech MX1000 S&S Steel 
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post #2 of 6
welcome to overclock.net!!!

look like the temp senor's faulty. sorry but what are you asking here?
post #3 of 6
Are you using any kind of thermal paste? If so, what kind of?
#well
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Intel Core i7 4770k Gigabyte Z87X-UD4H XFX Radeon HD 6950 Corsair CMX8GX3M2A2000C9 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 840 Hitachi HDS722020ALA330 Generic DVD±RW Burner Noctua NH-D14 
OSMonitorMonitorKeyboard
Windows 8.1 Dell U2711 LG W2453 Ducky DK9008 Overclock.net Edition, Cherry MX B... 
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#well
(19 items)
 
Lenovo L530
(8 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7 4770k Gigabyte Z87X-UD4H XFX Radeon HD 6950 Corsair CMX8GX3M2A2000C9 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 840 Hitachi HDS722020ALA330 Generic DVD±RW Burner Noctua NH-D14 
OSMonitorMonitorKeyboard
Windows 8.1 Dell U2711 LG W2453 Ducky DK9008 Overclock.net Edition, Cherry MX B... 
PowerCaseMouseMouse Pad
Corsair TX850 Antec Three Hundred Corsair Raptor M40 QPAD HeatoN M 
AudioAudioAudio
E-MU Tracker|pre Beyerdynamic DT-770 250 Ohm AntLion ModMIc 
CPUGraphicsRAMRAM
Intel Ivy Bridge 3210M Intel HD 4000 Graphics Soldered Corsair Vengeance  
Hard DriveOptical DriveOSMonitor
500GB DVD-+RW Windows 7 Professional 1600x900 
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post #4 of 6
This one's a little tough to figure out, to be honest, because we're dealing with readings from two different motherboards. This suggests that results can't really be directly comparable, as their sensors are likely very differently calibrated.

I guess the only way to know what your real temperatures are is to mount your own sensors and trust those readings.

I hope this helps!
    
CPUMotherboardGraphicsRAM
Phenom II X3 720 BE Gigabyte GA-MA790FXT-UD5P Sapphire Radeon HD 3870 2 x 2GB Crucial Ballistix Tracers PC3 10600 
Hard DriveCoolingOSPower
Almost 8TB of storage AMD Stock Cooler Windows Home Server CoolerMaster SilentPro M 700W 
Case
Lian Li PC-V2000B (with thlnk3r mods) 
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CPUMotherboardGraphicsRAM
Phenom II X3 720 BE Gigabyte GA-MA790FXT-UD5P Sapphire Radeon HD 3870 2 x 2GB Crucial Ballistix Tracers PC3 10600 
Hard DriveCoolingOSPower
Almost 8TB of storage AMD Stock Cooler Windows Home Server CoolerMaster SilentPro M 700W 
Case
Lian Li PC-V2000B (with thlnk3r mods) 
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post #5 of 6
Thread Starter 
I guess my question is: Why does not the temp differ on the different coolers?
I use Arctic Silver 5 thermal paste.

Also, overclocking sucks on this motherboard. On my old ASrock i could have it on 3.6gHz without any problems. I can't even do that now.

When i rise the vcore, the temp naturally rises also. It actually rises alot when i think about it.

The cooler don't feel warm either.
    
CPUMotherboardGraphicsRAM
Pentium4 640 3.2gHz ASUS P5N-E SLi MSI 7900GTO GeiL Ultra 2GB 667mHz (3-4-4-8) 
Hard DriveOSMonitorKeyboard
Western Digital Windows XP SP2 Sony SDM-HS95P Logitech MX700 
PowerCaseMouseMouse Pad
Thermaltake Silent PurePower 420Watt Antec P180 Logitech MX1000 S&S Steel 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Pentium4 640 3.2gHz ASUS P5N-E SLi MSI 7900GTO GeiL Ultra 2GB 667mHz (3-4-4-8) 
Hard DriveOSMonitorKeyboard
Western Digital Windows XP SP2 Sony SDM-HS95P Logitech MX700 
PowerCaseMouseMouse Pad
Thermaltake Silent PurePower 420Watt Antec P180 Logitech MX1000 S&S Steel 
  hide details  
Reply
post #6 of 6
Quote:
Originally Posted by X-GOLDFISH-X View Post
I guess my question is: Why does not the temp differ on the different coolers?
I use Arctic Silver 5 thermal paste.

Also, overclocking sucks on this motherboard. On my old ASrock i could have it on 3.6gHz without any problems. I can't even do that now.

When i rise the vcore, the temp naturally rises also. It actually rises alot when i think about it.

The cooler don't feel warm either.
Could it be there's poor contact between the HSF and the CPU? Inadequate contact may account for high readings, perhaps even to the degree.

That's the best guess I have at the moment, anyway.
    
CPUMotherboardGraphicsRAM
Phenom II X3 720 BE Gigabyte GA-MA790FXT-UD5P Sapphire Radeon HD 3870 2 x 2GB Crucial Ballistix Tracers PC3 10600 
Hard DriveCoolingOSPower
Almost 8TB of storage AMD Stock Cooler Windows Home Server CoolerMaster SilentPro M 700W 
Case
Lian Li PC-V2000B (with thlnk3r mods) 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Phenom II X3 720 BE Gigabyte GA-MA790FXT-UD5P Sapphire Radeon HD 3870 2 x 2GB Crucial Ballistix Tracers PC3 10600 
Hard DriveCoolingOSPower
Almost 8TB of storage AMD Stock Cooler Windows Home Server CoolerMaster SilentPro M 700W 
Case
Lian Li PC-V2000B (with thlnk3r mods) 
  hide details  
Reply
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