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Hear A Whistle Noise When My CPU Reach 72-80 Degrees On Prime95

post #1 of 9
Thread Starter 
i don't know but everytime i stress test my cpu in prime95 when it reach between 72-80 degrees i hear a whistle sound in my case , but after i stop the stress test the noise is gone. do you guys know what might cause my cpu to do that sound.
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post #2 of 9
Thread Starter 
can u guys help me.
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ASRock Z170 OC Formula Waiting For GTX 1080Ti Waiting For GTX 1080Ti 16GB G.SKILL Trident Z DDR4 4000Mhz 17-17-17-37... 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
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AWESOME SYSTEM
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MotherboardGraphicsGraphicsRAM
ASRock Z170 OC Formula Waiting For GTX 1080Ti Waiting For GTX 1080Ti 16GB G.SKILL Trident Z DDR4 4000Mhz 17-17-17-37... 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
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post #3 of 9
it is called a capacitor squeal

this happen's to Capacitors during stress/load.

In most cases it isnt something you need to worry about.

Judging from your board and overclock, you are fine.
    
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CPUMotherboardGraphicsRAM
Core i7 920 4.2GHZ @1.325 (HT on) Asus Rampage II Extreme X58 None. 6GB corsair i7 dominator CAS7 DDR3 Elpida Hypers 
Hard DriveOptical DriveOSMonitor
2X WD 500GB Caviar black Raid-0 + 1TB Caviar Green Samsung superwrite master Windows 7 X64 home premium SP1 Samsung Syncmaster 2243 
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Razor Lycosa + Das keyboard II Themaltake toughpower 1200watt Coolermaster HAF X Razor Deathadder 3500Dpi 
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post #4 of 9
Thread Starter 
@Yoko Littner, ok thanks i though something was wrong with my cpu or motherboard .
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Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
MonitorPowerCase
AOC U2879VF 28" FreeSync 4K LED Monitor  Lepa 1600W G-Series  Corsair Carbide Air 540 Case 
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AWESOME SYSTEM
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MotherboardGraphicsGraphicsRAM
ASRock Z170 OC Formula Waiting For GTX 1080Ti Waiting For GTX 1080Ti 16GB G.SKILL Trident Z DDR4 4000Mhz 17-17-17-37... 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
MonitorPowerCase
AOC U2879VF 28" FreeSync 4K LED Monitor  Lepa 1600W G-Series  Corsair Carbide Air 540 Case 
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post #5 of 9
Nope. The caps on my 470 squeal all day cuz it has the voltage maxed out folding. You'll be fine.
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Blue Steel
(20 items)
 
HTPC
(12 items)
 
Macbook
(13 items)
 
CPUMotherboardGraphicsRAM
i7 860 MSI P55-GD80 Gigabyte GTX 1060 Windforce 6gb Kingston Hyper X Fury 4x4gb 
Hard DriveHard DriveHard DriveHard Drive
Samsung F3 1tb Samsung 830 64Gb Western Digital Green 1tb Samsung 850 EVO 500gb 
Optical DriveCoolingOSMonitor
Lite-On Blu-Ray Player Cooler Master Hyper 212+ Windows 7 Home Premium x64 Acer S231HLBID 23" 
MonitorKeyboardPowerCase
Vizio 32" 1080P Razer BlackWidow Rocketfish 900W HAF 912 
MouseMouse PadAudio
Logitech G402 Hyperion Steel Series QcK Asus Xonar DG 
CPUMotherboardGraphicsRAM
i5 760 Asus P7P55D-E Pro XFX 5570 Corsair XMS3 2x1gb 
Hard DriveOptical DriveCoolingOS
Western Digital Caviar Black 640Gb HP DVD1260 Cooler Master GeminII S524 Windows 7 Enterprise x64 
MonitorPowerCaseMouse
Vizio 32" 1080 Corsair 650TX Silverstone LC13B-E Droid X2 
CPUGraphicsRAMHard Drive
2.4 GHz Intel Core 2 Duo GMA X3100 4GB DDR2 667 MHz 120 GB 
Optical DriveOSMonitorCase
MATSHITADVD-R UJ-867 Mac OS X 13 Macbook 
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Microsoft Arc 
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post #6 of 9
this is an indication of your board.

However that is a solid board.

So no worry's. but this does indicate Stress. which is why u got cap squeal.
    
CPUMotherboardGraphicsRAM
Core i7 920 4.2GHZ @1.325 (HT on) Asus Rampage II Extreme X58 None. 6GB corsair i7 dominator CAS7 DDR3 Elpida Hypers 
Hard DriveOptical DriveOSMonitor
2X WD 500GB Caviar black Raid-0 + 1TB Caviar Green Samsung superwrite master Windows 7 X64 home premium SP1 Samsung Syncmaster 2243 
KeyboardPowerCaseMouse
Razor Lycosa + Das keyboard II Themaltake toughpower 1200watt Coolermaster HAF X Razor Deathadder 3500Dpi 
Mouse Pad
none. 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Core i7 920 4.2GHZ @1.325 (HT on) Asus Rampage II Extreme X58 None. 6GB corsair i7 dominator CAS7 DDR3 Elpida Hypers 
Hard DriveOptical DriveOSMonitor
2X WD 500GB Caviar black Raid-0 + 1TB Caviar Green Samsung superwrite master Windows 7 X64 home premium SP1 Samsung Syncmaster 2243 
KeyboardPowerCaseMouse
Razor Lycosa + Das keyboard II Themaltake toughpower 1200watt Coolermaster HAF X Razor Deathadder 3500Dpi 
Mouse Pad
none. 
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post #7 of 9
Mine dose it when loading on gta4. Only that game. Not a clue why but. Nothing to worry all good
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post #8 of 9
Thread Starter 
thanks again guys for ya'll help
AWESOME SYSTEM
(16 items)
 
  
MotherboardGraphicsGraphicsRAM
ASRock Z170 OC Formula Waiting For GTX 1080Ti Waiting For GTX 1080Ti 16GB G.SKILL Trident Z DDR4 4000Mhz 17-17-17-37... 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
MonitorPowerCase
AOC U2879VF 28" FreeSync 4K LED Monitor  Lepa 1600W G-Series  Corsair Carbide Air 540 Case 
  hide details  
Reply
AWESOME SYSTEM
(16 items)
 
  
MotherboardGraphicsGraphicsRAM
ASRock Z170 OC Formula Waiting For GTX 1080Ti Waiting For GTX 1080Ti 16GB G.SKILL Trident Z DDR4 4000Mhz 17-17-17-37... 
Hard DriveHard DriveCoolingOS
Samsung 840 Pro 256GB Samsung 840 Pro 128GB Corsair H105 Windows 10 Pro 64-Bit 
MonitorPowerCase
AOC U2879VF 28" FreeSync 4K LED Monitor  Lepa 1600W G-Series  Corsair Carbide Air 540 Case 
  hide details  
Reply
post #9 of 9
My motherboard has a tiny tiny tiny noise to it under stress, but that was with my old PSU so I'm not sure if it was the PSU giving crappy power to the mosfets, or just the thing making noise under load.

I have since upgraded to a TX650 PSU and haven't listened to the mosfet area of the board to check it though.
But you shouldn't be worried.
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