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A question for Freezer 7 Pro (Rev. 2) users

post #1 of 6
Thread Starter 
How tight should I be doing the two screws that fasten the actual heatsink to the plastic base?

I have successfully installed and used the cooler twice before, each time with good temps, however, both times I have noticed a small amount of flex in the motherboard around the processor area, and so was wondering if I am perhaps screwing in on too tight?

The second time, when I noticed the very slight bending in the motherboard, I had screwed the screws all the way down to the base. Is this too much? I noticed no problems, and had good temps. My understanding is that by tightening them all the way, the pressure on the processor is determined by the amount of force exerted by the metal arms of the cooler.

I am using the cooler with a Socket 775.
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CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
Case
Antec 300 
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My System
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CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
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Antec 300 
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post #2 of 6

Nah, that's not too tight.

 

Back when I had the Tuniq Tower 120, I tightened the screws all the way until they literally could not turn anymore.  The motherboard flexed, but the temps were excellent.

    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
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post #3 of 6
Thread Starter 
Is a little bit of flex necessarily a problem? On an old system of mine I remember noticing that even the intel stock heatsink (with push pins) would cause a small amount of flexing in the board. Any way to gauge the correct tightness for the screws?
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
Case
Antec 300 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
Case
Antec 300 
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Reply
post #4 of 6
Quote:
Originally Posted by safe View Post

Is a little bit of flex necessarily a problem? On an old system of mine I remember noticing that even the intel stock heatsink (with push pins) would cause a small amount of flexing in the board. Any way to gauge the correct tightness for the screws?

 

It's actually no problem at all.  I think it's a good thing that the board flexes because otherwise it might have a risk of cracking.

 

I don't know how to gauge the correct tightness other than by checking the core temps under load.  If they're satisfactory, then it's good.  If they're not, then a change is needed to either the tightness, thermal paste, fan speed, etc.

 

I feel that it's better to have a more relaxed and casual approach to this.  For example, when I apply thermal paste to normal heatsinks (as opposed to HDT heatsinks), I just put a blob on the center of the CPU (the size of a healthy pea), and let the heatsink spread it naturally.  For my peace of mind, I remove the heatsink to check the paste.  If it spread nicely and is covering most of the CPU, then I put the heatsink back on.  If I don't like the way the paste looks, then I fix it and put the heatsink back on all the way and remove it again to see how it looks.

 

For tightening screws, I just figure the tighter the better, and that philosophy always works for me.  I mean, I think that the heat dissipation's efficiency is at its best when the CPU and the heatsink are pressed so tight against each other that they are basically one unit.


Edited by TwoCables - 7/1/12 at 7:19pm
    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
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Reply
post #5 of 6
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

I feel that it's better to have a more relaxed and casual approach to this.  For example, when I apply thermal paste to normal heatsinks (as opposed to HDT heatsinks), I just put a blob on the center of the CPU (the size of a healthy pea), and let the heatsink spread it naturally.

This is the way I installed it a few weeks ago (I had a faulty motherboard, now doing it again with the replacement) and I had good temps. I used a kind of cross between the blob method and horizontal line method. I call it the 'rectangular blob' method. Seemed to work well.

From some more reading I've found that most people, including an ASUS support rep that someone had spoken to, agree with you that a small amount of motherboard flex from installing the heatsink is quite common and acceptable.

Unless a lot of Freezer 7 Pro users all post saying that they have the screws tightened all the way down, I think I'll just tighten them until it is a snug fit, and if the temps are ok, I'll keep it like that.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
Case
Antec 300 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K 4.2Ghz ASUS P8Z77-V LK 2 x ASUS HD 7850 2GB directCUii V2 4GB (2x2GB) G.Skill DDR3 1333Mhz CL8 
Hard DriveHard DriveOptical DriveCooling
500GB Seagate 80GB 2.5" SATA Sony AD-7261S-0B 24x Freezer 7 Pro Rev. 2 
OSMonitorKeyboardPower
Win 7 Ultimate Samsung Syncmaster 24" Cherry G80-3000LSCGB-2 OCZ ZS-650w 
Case
Antec 300 
  hide details  
Reply
post #6 of 6
Quote:
Originally Posted by safe View Post


This is the way I installed it a few weeks ago (I had a faulty motherboard, now doing it again with the replacement) and I had good temps. I used a kind of cross between the blob method and horizontal line method. I call it the 'rectangular blob' method. Seemed to work well.
From some more reading I've found that most people, including an ASUS support rep that someone had spoken to, agree with you that a small amount of motherboard flex from installing the heatsink is quite common and acceptable.
Unless a lot of Freezer 7 Pro users all post saying that they have the screws tightened all the way down, I think I'll just tighten them until it is a snug fit, and if the temps are ok, I'll keep it like that.

 

Rectangular blob. hehehehe  :)  That sounds like a mutation of my simple blob.  Run!

 

Ahem.

 

Anyway, I agree: if the temps are good, then it's good.  I see too many people investing too much energy in this stuff thinking that everything has to be "exactly this way", and "exactly that way".  I'm like, "I'd rather enjoy this"smile.gif

    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i5-2500K @ 4.7GHz (1.368V using +0.005 offset) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 580 (ASUS DirectCU II) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveOptical DriveOptical Drive
60 GB Callisto Deluxe (C:) 64 GB G.SKILL Falcon (D:) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Samsung 2253BW (1680 x 1050) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (major overkill, but it was cheap) CM 690 Microsoft Intellimouse Optical Basic, but premium round 
AudioOther
XtremeGamer (low-profile PCB) Altec Lansing VS4121 (2.1 speaker system) 
  hide details  
Reply
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