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Load voltage fine but idle voltage too low

post #1 of 7
Thread Starter 
I need 1.188v for 4.2GHz.

I am quite lost because it seems like I cannot find any LLC value that is just low enough for no vdroop. Even with LLC set to low, voltage go up to 1.2v and if I set offset to a lower value to limit the max voltage to 1.188, then I crash if I go full idle (at 0%, voltage to down to 0.6v...!)

I guess that I have to go for 4.3GHz if not more to get higher idle voltage?
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post #2 of 7
Have you tried just using Auto for the voltage to see what that gives you at 4.2? It may be low enough to not worry about using the offset. Otherwise just push for a higher overclock.
post #3 of 7
What's wrong with vdroop?

Just reduce your LLC setting to something reasonable, where full load voltage is slightly lower than idle, and adjust your offset/vcore/VID setting to compensate.
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post #4 of 7
First of all for what reason you are trying to eliminate VDrop ???? Your CPU is designed to work with a little help of VDrop
Second, only here on overclock.net people are "crazy" about idle voltage - voltage does not fall into the category of consumer. Voltage (potential) is just there to provide possibility that something might occur. If there is no voltage at all CPU will shutdown. Theory that power consumption is bigger when voltage is higher is totally wrong! You can save on power consumption only if you reduce number of services running when idle state occurred.
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post #5 of 7
Thread Starter 
Well, the problem is that whatever the LLC value is, I got no vdroop headscratch.gif
This board is funny because the voltage has to be put on "normal" so I don't decide what is the initial voltage. I have to put -0.08v on offset just to get a decent load voltage (ie, something in the 1.2v zone). With no offset I get crazy voltage like 1.3v!
Seems like between "normal", "standard", low, medium, high, extreme. Standard is the lowest LLC setting and works best, I can finally test the system properly.
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post #6 of 7
I can't help with your CPU and mobo but there is an general advice go with "manual" voltage for VCore until you find stable max for your rig. Once when you are satisfied with speed, temperature and voltages you can change to offset if you like (but, to be honest i can't see the reason why)
Edit: here max for VCore means minimum biggrin.gif
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post #7 of 7
Using "normal" for CPU voltage (not LLC), might cause the board to scale voltage with multipler/load, which could be the issue.
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CPUMotherboardGraphicsRAM
5820K @ 4.3/3.6GHz core/uncore, 1.225/1.2v Gigabyte X99 SOC Champion (F22n) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-11-12-27-T1, 1.37v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
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Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 Logitech G402 Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
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1x Crucial BLT4G3D1608ET3LX0 @ 2000, 10-11-11-3... OCZ (Toshiba) Trion 150 120GB Hyundai Sapphire 120GB 3x Hitachi Deskstar 7k1000.C 1TB 
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Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
Audio
ASUS Xonar DS 
CPUMotherboardGraphicsRAM
i7-6800K @ 4.3/3.5GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula (P3.10) GTX 780 (temporary) 4x4GiB Crucial DDR4-2400 @ 11-13-12-28-T2, 1.33v 
Hard DriveHard DriveCoolingOS
Intel 600p 256GB NVMe 2x HGST Travelstar 7k1000 1TB Corsair H55 (temporary) Windows Server 2016 Datacenter 
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Seasonic SS-860XP2 Corsair Carbide Air 540 
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