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My voltage readings seem way too high. Are these voltages correct?

post #1 of 5
Thread Starter 
Hello, I recently completed my first build and everything seems to be going fine, other than random freezes. I have attributed these "freezes" to Windows, considering that I have Windows 8 consumer Preview installed (I'm normally a Linux user). Anyway, I viewed the AsRock Extreme Tuning Utility (AXTU) and noticed that a few of my voltage readings seem high. Because I'm waiting on shipment of an CM hypo-212 Evo heat sink, I have not yet overclocked, though I'm planning to as soon as I bolt on the new heat sink.

My Computer:
*-AsRock z77 Extreme 6 MoBo
*-Intel i5 2500k
*-8GB Corsair Vengeance 1600 DDR3 (loaded an XMP profile in UEFI to get it to 1600mhz)
*-Sandisk Extreme 120GB SSD
*-Seasonic M12II 620w Modular PSU

I do not yet have discrete graphics, so I'm using the intel HD 3000 until I can decide which kind of GPU to purchase. I also don't have any expansion slots filled.

My voltage readings according to AXTU:

Vcore Voltage:_____________1.034 V (fluctuating between 1.018 and 1.034)

+5.0V:___________________4.968 V

DRAM Voltage:____________1.500 V

VTT Voltage:______________1.076 V

VCCSA Voltage:___________0.925 V

+3.3V Voltage:____________3.392 V

+12V Voltage:____________12.197 V

PCH Voltage:____________1.059 V

CPU PLL Voltage:________1.832 V

IGPU Voltage Offset:______+0 V

Is the voltage supposed to be that high on the '+5.0V', '+3.3V' and '+12V', to where they even exceed their given allotments?

Any and all help would be greatly appreciated. Thanks in advance!
Edited by airspoon - 4/22/12 at 5:04pm
post #2 of 5
Quote:
Originally Posted by airspoon View Post

Is the voltage supposed to be that high on the '+5.0V', '+3.3V' and '+12V', to where they even exceed their given allotments?
Any and all help would be greatly appreciated. Thanks in advance!
Spec is +/- 10%, IIRC. therefore, 12V line can be anywhere from 10.8 to 13.2v. The spec may have been tightened to 5% (most decent PSUs are these days, yes?), which means 11.4 to 12.6v.

voltages are always nominal. expecting to see 3.30000000v, 5.00000000v, and 12.0000000v is silly, and unreasonable.

ATX 2.2 spec here:
http://www.formfactors.org/developer%5Cspecs%5Catx2_2.pdf

see "4.1.4 Voltage Tolerances" - the important lines are +/- 5%
Edited by u3b3rg33k - 4/22/12 at 5:13pm
 
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i7-970 @ 4.14GHz 1.350v P6T7 WS Supercomputer MSI 7970 GHz Edition HIS 6950 
RAMHard DriveHard DriveCooling
48GB Crucial Ballistix @1660MHz 9-9-9-27 Momentus XT intel 480GB 520 series INX-720 
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post #3 of 5
Any program that reads voltages will most likely be off and the 12v, 5.5v, and 3.3v rails will never be exactly those numbers.

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post #4 of 5
Thread Starter 
Thanks, so those numbers are expected and I shouldn't have anything to worry about? I'm a little paranoid - I guess- considering that this is my first build and Mr. Murphy and I seem to have a very *special relationship.
post #5 of 5
Not only that, but software voltage readouts are not always correct. if you honestly believe you have voltage problems, a non-software (aka physical) voltage meter is the tool of choice.

Willanhanyard, you mean 5.0v, right?
 
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RAMHard DriveHard DriveCooling
48GB Crucial Ballistix @1660MHz 9-9-9-27 Momentus XT intel 480GB 520 series INX-720 
OSMonitorMonitorMonitor
win7pro Soyo P-MVA 1200p 24" Dell 24" 1200p Dell 17" 4:3 (market tickers) 
KeyboardPowerCaseMouse
Dell Quietkey AX850 PC-Z60 Logitech G5 
CPUMotherboardGraphicsRAM
Q6700 @ 3.0 (stock volts) ASUS P5WDG2-WS PRO HIS 6950 2GB turbo (unlocked) 8GB DDR2 800 
Hard DriveOptical DriveOSMonitor
9550SX w/BBU + 4x 250GB 7.2k Raid 5 HL-DT-ST DVDRW GSA-H30L Kali Linux VNC (TC Rig, baby) 
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GLaDOS (v3)
(12 items)
 
CPUMotherboardGraphicsGraphics
i7-970 @ 4.14GHz 1.350v P6T7 WS Supercomputer MSI 7970 GHz Edition HIS 6950 
RAMHard DriveHard DriveCooling
48GB Crucial Ballistix @1660MHz 9-9-9-27 Momentus XT intel 480GB 520 series INX-720 
OSMonitorMonitorMonitor
win7pro Soyo P-MVA 1200p 24" Dell 24" 1200p Dell 17" 4:3 (market tickers) 
KeyboardPowerCaseMouse
Dell Quietkey AX850 PC-Z60 Logitech G5 
CPUMotherboardGraphicsRAM
Q6700 @ 3.0 (stock volts) ASUS P5WDG2-WS PRO HIS 6950 2GB turbo (unlocked) 8GB DDR2 800 
Hard DriveOptical DriveOSMonitor
9550SX w/BBU + 4x 250GB 7.2k Raid 5 HL-DT-ST DVDRW GSA-H30L Kali Linux VNC (TC Rig, baby) 
KeyboardPowerCaseMouse
Dell QuietKey (PS2) Truepower Trio 650 Koolance PC3-420SL Logitech G5 
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