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Windows detecting i5-2500k overclock

Forum Index > Tech Support
Post a Reply
HydraLF
Profile Blog Joined January 2011
Hong Kong626 Posts
Last Edited: 2011-04-09 13:53:18
April 09 2011 13:40 GMT
#1
Hai. Soooo I got a question to ask, I bought a new computer recently, and I went to update my beta opt in, then I noticed Win7 doesn't know that I overclocked my CPU to 4.2ghz.

So, is this normal? I remember dxdiag show the right core speed when I overclocked my E8400 back then.

Really want windows to show the correct clock speed for my CPU, it "could" be the reason for receiving a beta key or not (for whatever reason).



Thanks in advance!

P.S. Relevant screenshot added.

[image loading]



*update* could be a known issue
http://forums.battle.net/thread.html?topicId=16903573223&postId=169019746438
Sure.
scottyyy
Profile Blog Joined April 2010
United Kingdom796 Posts
April 09 2011 14:05 GMT
#2
This happens to me too. I have the exact same CPU overclocked to 4.5GHz but Windows thinks it's 3.3GHz. I guess Windows just doesn't support Sandy Bridge as well as the older CPUs, or something. As long as CPU-Z is reporting your overclock correctly I think it will actually be running at that speed.
thehitman
Profile Blog Joined July 2010
1105 Posts
April 09 2011 14:31 GMT
#3
Its absolutely normal.

the OS never sees the O'C.
ejac
Profile Blog Joined January 2009
United States1195 Posts
Last Edited: 2011-04-09 14:40:12
April 09 2011 14:37 GMT
#4
On April 09 2011 23:31 thehitman wrote:
Its absolutely normal.

the OS never sees the O'C.

I'm pretty sure windows is showing me i5-750 (2.66ghz) as 3.8ghz right now.

[image loading]
esq>n
Vagabond
Profile Joined April 2011
Scotland149 Posts
April 09 2011 14:39 GMT
#5
The thing about the Sandy bridge is it will not show the overclock since it does not boost the base clock at all, the overclock is on the Turboboost feature. i hope that helps
Drone untill i die.
scottyyy
Profile Blog Joined April 2010
United Kingdom796 Posts
April 09 2011 14:42 GMT
#6
On April 09 2011 23:39 Vagabond wrote:
The thing about the Sandy bridge is it will not show the overclock since it does not boost the base clock at all, the overclock is on the Turboboost feature. i hope that helps


Aha, good point. Now I remember, Windows ignores CPU frequency multipliers, it just looks at the clock frequency.
underscore
Profile Joined August 2009
252 Posts
Last Edited: 2011-04-09 15:06:49
April 09 2011 14:53 GMT
#7
Windows shows the correct OC for me and I have a 2600k.

Do you have the latest bios? That could solve it.
JetGillLee
Profile Joined November 2010
Australia43 Posts
April 09 2011 15:00 GMT
#8
I doubt it will make a difference to be honest...
lowkontrast
Profile Blog Joined August 2010
United States855 Posts
April 09 2011 15:25 GMT
#9
Does it show the overclock under load?
HydraLF
Profile Blog Joined January 2011
Hong Kong626 Posts
April 09 2011 16:20 GMT
#10
Yeah, I tested it again under prime95, its the same.

Would it really be the bios? the board is made for the sandy i5 and i7, beside that its the B3 version which was only out for like a month or so.
Sure.
Az0r_au
Profile Joined August 2010
Australia385 Posts
April 09 2011 16:24 GMT
#11
It doesn't show my overclock on a 965be either because we're only changing the multiplier not the base clock.
a176
Profile Blog Joined August 2009
Canada6688 Posts
April 10 2011 00:55 GMT
#12
do you have speedstep/C1E enabled in bios?
starleague forever
writer22816
Profile Blog Joined September 2008
United States5775 Posts
April 10 2011 02:19 GMT
#13
Why don't you just show a CPU-Z screenshot?
8/4/12 never forget, never forgive.
R1CH
Profile Blog Joined May 2007
Netherlands10340 Posts
April 10 2011 02:24 GMT
#14
The "@ 3.30GHz" is just part of the model name written into the CPU registers. It will never change.
AdministratorTwitter: @R1CH_TL
HydraLF
Profile Blog Joined January 2011
Hong Kong626 Posts
Last Edited: 2011-04-10 07:17:06
April 10 2011 07:16 GMT
#15
I don't think my cpu is throttled because CPU-Z was showing 4.2ghz while on idle.

On April 10 2011 11:19 writer22816 wrote:
Why don't you just show a CPU-Z screenshot?

I did.


On April 10 2011 11:24 R1CH wrote:
The "@ 3.30GHz" is just part of the model name written into the CPU registers. It will never change.

Yeah but on the opt in page, the cpu speed is listed as CPU SPEED (GHZ): 3.32

[image loading]

Its ok if its something which I got to live with, just curious anyway.
Sure.
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