Quick voltage Question

Doomedspeed · 24 Feb 2013 at 17:02

Mr Pack,

Just playing around with my overclock on my 2500k @ 4.7..

In BIOS Vcore is set to 1.33 on LLC level 4 (silly gigabyte Load line system)

Under load the voltage is a reasonable 1.344

However at idle CPU-Z is say the voltage is 1.380

I know that 1.38 is safe (just) and the reason this happens is down to VDroop.

I would really want to push it further though, Is there anyway to make my Idle voltage lower?

I have tried using offset voltage and can't get them to be as as stable.

Thanks Guys!

Doomedspeed · 24 Feb 2013 at 18:51

So offset voltages is the best way to keep the idle voltage down?

Off the top of your head where'd you suggest (offset wise) i start off?

Doomedspeed · 24 Feb 2013 at 19:27

Thanks for your help. Will try it at 4.5 to start. Aiming for 1.29. And report back..

Doomedspeed · 24 Feb 2013 at 22:11

Thanks for the Help Wazza but my play with offsets hasn't gone to well.. I get it to match 1.29-1.30 (what is suitable for 4.5 load) and it still crashes..

Thought of another way around it though..

I've been playing with the LLC settings, Decreasing the amount of Vdroop so i can set it near to the voltage i want to start with.

So, it was hitting 1.380v with a Load of 1.344v

Now i have it at 1.368v with a load of 1.356v.

Still a bit too much voltage for 4.7 but a good start, think im on a good path.

I did read that some gigabyte motherboards can have issues with offset voltages, which may require a BIOS update..

EDIT: Actually discovered using Load Line 6, at idle has lower voltage than at high. Just need to set it lower in the BIOS..

Doomedspeed · 25 Feb 2013 at 06:17

Like 8 pack said id rather feel in control of my over lock, may give ir another go down the line though.

I think done what I wanted. Can you just check this makes sence?

in bios vcore 1.220
In bios LLC level 6.

Cpu-z idle 1.320
Cpu-z load 1.344-1.356

Does that look about right?

Doomedspeed · 25 Feb 2013 at 14:13

8 Pack said:
Looks fine to me if you mean Vcore in Bios 1.32v not 1.22v. If you set 1.22 and its giving 1.32v something is wrong.

unfortunately that is the case, so something may be wrong.

It seems to be the load lines which are dictating it, as far as I can see.

At level 3, the load voltage was close to what I set In the bios, but the vdroop was a lot and my idle voltage was crazy high comparitively.

Any advice about LLC on gigabyte boards?

Doomedspeed · 25 Feb 2013 at 15:19

So is having 1.22 in bios (before LLC) and 1.32 idle (after LLC) an issue?

If so how can I fix it?

I should I take the figure the bios gives me after the LLC is applied? I inputted 1.22 but the bios shows it as 1.320...

Doomedspeed · 25 Feb 2013 at 17:34

wazza300 said:
I think it shows before llc is applied in gigabyte boards,if 1.32v is needed in windows at 100% stress then its fine,if you only need 1.22v at load then you need to lower the llc level ect

Cheers mate, i think i have it sorted now.

I dropped the LLC so that the load Voltage is only a step above the idle.. More stable that way (IMO).

So, at level 5; i enter 1.275 as vcore with LLC applied it's displayed as 1.320 (in the BIOS). In CPU-Z (idle) it's 1.332 at load it's 1.344

Time to push to 4.8.

Any objections?