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what is VID: in core temp application? - Page 2

post #11 of 22
Er, no it doesn't. SpeedStep does not change the DEFAULT voltage that is imprinted into the CPU, it just sends a command to lower the voltage during idle conditions.
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post #12 of 22
Quote:
Originally Posted by afzsom View Post
Er, no it doesn't. SpeedStep does not change the DEFAULT voltage that is imprinted into the CPU, it just sends a command to lower the voltage during idle conditions.
no it changes what Core-Temp "say's" it is
lol my bad on not being clear
that y he says under load its 1.3something
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post #13 of 22
From my experience, and from many many users experience, the value within the "VID" field of CoreTemp will never change. If he mistook VID for Voltage in CPU-Z, then I could see his statement being correct.
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post #14 of 22
Quote:
Originally Posted by afzsom View Post
From my experience, and from many many users experience, the value within the "VID" field of CoreTemp will never change. If he mistook VID for Voltage in CPU-Z, then I could see his statement being correct.
well u seem to know more than me....(im not kidding eather i just stated what i read..)
so can u explain this
http://www.overclock.net/intel-cpus/...ml#post3509708
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post #15 of 22
VID value in CoreTemp changes when speedstep and EIST is enabled.
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post #16 of 22
After being quite confused , I read the Intel specs for my particular processor (E8400) and the Vid can change based on the thermal monitor, speedstep or extended halt states. What can't change is the hard-coded Vid at manufacter time which indicates the max Vid.

If the other branch thread shows screen shots of different Vid in coretemp during speedstep, I don't think this is the max Vid that is hardcoded (which I originally thought).

My Gigabyte EasyPro 5 utility shows a totally different Vid to what coretemp shows. EasyPro shows 1.22 where Coretemp shows 1.1125 so I'm thinking 1.22 is really my max Vid compared to what I thought before.
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post #17 of 22
VID is supposed to be the "Stock voltage". That's how it was put to me, and that's how I'll say it in this thread.
post #18 of 22
Quote:
Originally Posted by !!GoNe^BuCk^W!lD!! View Post
well u seem to know more than me....(im not kidding eather i just stated what i read..)
so can u explain this
http://www.overclock.net/intel-cpus/...ml#post3509708
Explained in that same thread.

Quote:
Originally Posted by yannis7777 View Post
VID value in CoreTemp changes when speedstep and EIST is enabled.
See above.

Quote:
Originally Posted by Technophobe View Post
After being quite confused , I read the Intel specs for my particular processor (E8400) and the Vid can change based on the thermal monitor, speedstep or extended halt states. What can't change is the hard-coded Vid at manufacter time which indicates the max Vid.

If the other branch thread shows screen shots of different Vid in coretemp during speedstep, I don't think this is the max Vid that is hardcoded (which I originally thought).

My Gigabyte EasyPro 5 utility shows a totally different Vid to what coretemp shows. EasyPro shows 1.22 where Coretemp shows 1.1125 so I'm thinking 1.22 is really my max Vid compared to what I thought before.
I'm not sure which motherboards do and which motherboards do not read the proper VID values, so I can't say if you're seeing your true VID or not. If it changes, most likely you aren't seeing the max VID. Maybe it's something they changed in the new 45nm chips...
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post #19 of 22
Quote:
Originally Posted by Clinic View Post
Mmm, my VID under load is 1.3125v. I really wish I had gotten a better chip. =/
Me too...mine is 1.325. But hey, i've seen 3.6ghz and I'm still tweaking.
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post #20 of 22
Quote:
Originally Posted by afzsom View Post
From my experience, and from many many users experience, the value within the "VID" field of CoreTemp will never change. If he mistook VID for Voltage in CPU-Z, then I could see his statement being correct.
It does change. SpeedStep or C1E changes it - it doesn't change the vCore.
Enable them and run Orthos with CoreTemp running.

This happens with *all* chips. There is no "max VID".

VID is the voltage your motherboard gives to your CPU when vCore is set to auto. SpeedStep and C1E change it between two values (one being the default, and one lower) when enabled.

This is probably because they are CPU features, not MB features. Sure, the motherboard needs to support them too (which probably means supporting a variable VID), but the motherboard doesn't do the work (I'm betting it can't see the % load each core is under)

It's something internal within the CPU, and I bet that it's also effected by the load on each core.
f.e. if you only have one core at 100% and the other at 0%, the VID might stay on the lower value.
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