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High voltage windows startup

post #1 of 9

7/17/12 at 4:53pm

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Advocate
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Hi

I just built my first i5 rig with a 3570k

I noticed when running CPUZ from right after windows startup till about a min later my CPU is running on high voltage at full clock.. higher than max load in prime. Im using LLC and an offset btw.

Is this normal for a startup?

thanks
Edited by Advocate - 7/17/12 at 4:57pm

post #2 of 9

7/17/12 at 5:22pm

TwoCables
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How much higher is it? I mean, what voltage do you see right after Windows startup (while it's still starting up), and what voltage do you see during a Prime95 run? When you run Prime95, which test do you select? Small FFTs, Blend, or Large, in-place FFTs?

Also, are you using CPU-Z 1.61? This version is known to be buggy and so most of us are avoiding it.

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
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CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

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post #3 of 9

7/17/12 at 5:49pm

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hi,

On startup it is 1.328, running prime blend it is 1.304 stable

3570k is OC'd to 4.5ghz using p8z77-v pro

I set LCC to high and am using an offset of .45.. not really sure if these are optimal but 1.3v is the lowest I can do for 4.5ghz..

Also, I switched back to cpuz 1.60 and it still reading the same

is this normal?

thanks

post #4 of 9

7/17/12 at 5:53pm

DzillaXx
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its called v-droop its perfectly normal for idle and load voltages to be different.

CPU	Motherboard	Graphics	RAM
Intel Core i7 920 @ 4.3GHZ Lapped	Intel DX58SO	2x Nvidia GTX470 850/1700/1900 SLI with swiftec...	Mushkin Enhanced Redline 12GB @ 1600mhz 7-9-8-24
Hard Drive	Hard Drive	Cooling	OS
3x 640 WD blacks Raid 0	Samsung 470 Series 128GB SSD	XSPC Raystorm	Windows 8 64bit
Monitor	Monitor	Keyboard	Power
PLANAR SA2311W	Acer G245HQ	Logitech G110	TX850
Case	Mouse	Audio	Audio
HAF922	Logitech G500	Creative Sound Blaster Z	Klipsch Synergy B-20 & Dayton Audio B652 (rear)...
Audio	Audio
Yamaha HTR-5640	Audio Technica ATH-A700 headphones
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CPU	Motherboard	Graphics	RAM
Q9550 @ 4GHZ	Gigabyte EP45 UD3P	GTX465	OCZ Reaper 1150
Hard Drive	Optical Drive	Cooling	OS
Western Digital Blue 500gb	LG Bluray	Corsair H50	Windows 7 Home Premium
Monitor	Keyboard	Power	Case
Vizio VL370M	Logitech K400	Corsair CX500	nMEDIAPC 6000B
Audio	Other	Other	Other
Yamaha HTR-5063	Xbox 360 Elite	PS3 80GB BC PS3 with 250GB hard drive.	Polk Audio Monitor 60s Bi-AMP Front
Other	Other	Other
Polk Audio Monitor 30s Rear	Polk Audio CS1 Center	Polk Audio PSW10
View all

CPU	RAM	Hard Drive	Hard Drive
Atom 330 Dual-Core 1.6GHz	Wintec DDR2 2GB	Hitachi 2TB	Hitachi 1TB
OS	Case
Windows Home Server 2011	SUPERMICRO SYS-5015A-H
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CPU	Motherboard	Graphics	RAM
Intel Core i7 920 @ 4.3GHZ Lapped	Intel DX58SO	2x Nvidia GTX470 850/1700/1900 SLI with swiftec...	Mushkin Enhanced Redline 12GB @ 1600mhz 7-9-8-24
Hard Drive	Hard Drive	Cooling	OS
3x 640 WD blacks Raid 0	Samsung 470 Series 128GB SSD	XSPC Raystorm	Windows 8 64bit
Monitor	Monitor	Keyboard	Power
PLANAR SA2311W	Acer G245HQ	Logitech G110	TX850
Case	Mouse	Audio	Audio
HAF922	Logitech G500	Creative Sound Blaster Z	Klipsch Synergy B-20 & Dayton Audio B652 (rear)...
Audio	Audio
Yamaha HTR-5640	Audio Technica ATH-A700 headphones
View all

CPU	Motherboard	Graphics	RAM
Q9550 @ 4GHZ	Gigabyte EP45 UD3P	GTX465	OCZ Reaper 1150
Hard Drive	Optical Drive	Cooling	OS
Western Digital Blue 500gb	LG Bluray	Corsair H50	Windows 7 Home Premium
Monitor	Keyboard	Power	Case
Vizio VL370M	Logitech K400	Corsair CX500	nMEDIAPC 6000B
Audio	Other	Other	Other
Yamaha HTR-5063	Xbox 360 Elite	PS3 80GB BC PS3 with 250GB hard drive.	Polk Audio Monitor 60s Bi-AMP Front
Other	Other	Other
Polk Audio Monitor 30s Rear	Polk Audio CS1 Center	Polk Audio PSW10
View all

CPU	RAM	Hard Drive	Hard Drive
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post #5 of 9

7/17/12 at 5:57pm

TwoCables
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Quote:

Originally Posted by Advocate

hi,
On startup it is 1.328, running prime blend it is 1.304 stable
3570k is OC'd to 4.5ghz using p8z77-v pro
I set LCC to high and am using an offset of .45.. not really sure if these are optimal but 1.3v is the lowest I can do for 4.5ghz..
Also, I switched back to cpuz 1.60 and it still reading the same
is this normal?
thanks

This may be due to vDroop because the load at Windows startup is much lighter than the load Prime95 Blend puts on the CPU. So Prime95 causes the voltage to droop further down than the light load of Windows starting up.

Edited by TwoCables - 7/17/12 at 6:00pm

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

hide details

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

hide details

post #6 of 9

7/17/12 at 5:59pm

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its not idle vs load..

LOAD with prime is @ 1.304 maximum

windows startup is 1.328 - above what prime puts the cpu though. Lasts about a min before going to idle

idle is 1.104v @ 1.6Ghz

All im askin is it normal for voltages to be higher on startups for whatever reason

post #7 of 9

7/17/12 at 6:01pm

TwoCables
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I updated my post with a much better response. I apologize for my other one. It just wasn't a very good response.

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

hide details

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

hide details

post #8 of 9

7/17/12 at 6:03pm

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okay thanks

does this mean theres room for improvement in my LLC and offset settings? It doesnt make sense for me to have higher voltage on less intense tasks

post #9 of 9

7/17/12 at 6:17pm

TwoCables
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Quote:

Originally Posted by Advocate

okay thanks
does this mean theres room for improvement in my LLC and offset settings? It doesnt make sense for me to have higher voltage on less intense tasks

If it behaves the same as Sandy Bridge, then absolutely. A higher LLC such as Ultra High will result in a higher core voltage, but much less vDroop (so it needs to result in 1.328V or higher with Prime95). With the higher voltage due to less vDroop, you would compensate by adjusting the Offset so that you still get 1.304V from Prime95.

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

hide details

CPU	Motherboard	Graphics	RAM
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 Drive	Hard Drive	Optical Drive	Optical Drive
60 GB Callisto Deluxe (C:)	64 GB G.SKILL Falcon (D:)	Samsung SH-S243N 24x DVD Burner	Samsung SH-S203N 20X DVD Burner
Cooling	OS	Monitor	Keyboard
Thermaltake Frio	Win 7 Home Premium x64 SP1	Samsung 2253BW (1680 x 1050)	Filco Majestouch 104-key Cherry MX Blues w/NKRO
Power	Case	Mouse	Mouse Pad
Corsair HX650 (major overkill, but it was cheap)	CM 690	Microsoft Intellimouse Optical	Basic, but premium round
Audio	Other
XtremeGamer (low-profile PCB)	Altec Lansing VS4121 (2.1 speaker system)
View all

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