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Re: E4300 and 650i overclocking

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  #41  
Old   
Fishface
 
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Default Re: Core 2 Duo and 680i overclocking (was E4300 and 650i overclocking) - 04-17-2007 , 12:17 AM






Quote:
I memtest+d four sticks of that cheap memory at 445 x 7 2.2v
all day and all was well when I got home. I just tried to bump it
up to 450 and the system said the overclock failed. I did have
vcore and the northbridge voltage at stock, though...
I bumped up the Vmch (Northbridge) a notch and still no go at
450. 449 is stable, though. I think there must be a strap change
at 450 or something. I'll try bumping it up on the fly in Windows.




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  #42  
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Ed Medlin
 
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Default Re: Core 2 Duo and 680i overclocking (was E4300 and 650i overclocking) - 04-18-2007 , 09:55 AM







"Jack R" <jackr_nospam (AT) msn (DOT) com> wrote

Quote:
---reading avidly---
I'm enjoying reading through this thread...good stuff!
Have you tried SpeedFan? http://www.almico.com/speedfan.php
I have version 4.32 running and it seems to be quite accurate, compared to
a couple of other measurements.
It has a very nice graphing feature that can track the dual cpu temps very
quickly as load changes occur.
I'll post more about my 6600/ASUS experience as I go.

As long as I'm here, what CPU core voltages do you folks run? All I've
found is that Intel specs the core voltage at 0.850 to 1.3525V. What is
default, and what is a good starting place for OC'ing?
Thanks,
Jack R

Glad you enjoy reading all this 'stuff'. Actually, this is about as active
as this group has been in awhile. As far as core voltages go, the defaults
are different with about every processor offering. We try and run as low a
core voltage as possible and still achieve our goal. The starting place is
whatever the processor default is from intel.com or the box. We get what we
can at that voltage and then raise it a tad and do it again. After going
through this process a few times we eventually find the processor's max
overclockability. Heat is usually the first deciding factor. As a processor
is overclocked, the temperature becomes more and more important. 60c at
default speeds might be just fine. 60c at a 30% overclock might cause
instability. I am waiting for my E6600/680i package now so maybe we can
share some info. Hopefully I can get started before the weekend.



Ed




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  #43  
Old   
Jack R
 
Posts: n/a

Default Re: Core 2 Duo and 680i overclocking (was E4300 and 650i overclocking) - 04-19-2007 , 11:11 AM



Thanks Ed!
I don't know what the default core voltage is for my E6600. The MB has a
'default' setting (whatever that may be), and a wide range of voltage
choices. I looked on the Intel site and found the 'spec': 0.850 to
1.3525V...not helpful.
My system, still in its infancy, is unstable/won't POST at default settings.
Setting the memory voltage to 1.92V gets it past that, but still with some
problems..such as occasionally hanging in the BIOS startup, sometimes
failing to shut down (from Vista), and so forth.
I've got a new "SLI compatible" PSU on order, and will fight harder when it
arrives.
I've run at over 3.0GHz for short periods, and it's very quick!
Thanks again,
Jack R

"Ed Medlin" <ed (AT) edmedlin (DOT) com> wrote

Quote:
"Jack R" <jackr_nospam (AT) msn (DOT) com> wrote in message
news:vo2Vh.833$uU6.627 (AT) newsfe03 (DOT) lga...
---reading avidly---
I'm enjoying reading through this thread...good stuff!
Have you tried SpeedFan? http://www.almico.com/speedfan.php
I have version 4.32 running and it seems to be quite accurate, compared
to a couple of other measurements.
It has a very nice graphing feature that can track the dual cpu temps
very quickly as load changes occur.
I'll post more about my 6600/ASUS experience as I go.

As long as I'm here, what CPU core voltages do you folks run? All I've
found is that Intel specs the core voltage at 0.850 to 1.3525V. What is
default, and what is a good starting place for OC'ing?
Thanks,
Jack R

Glad you enjoy reading all this 'stuff'. Actually, this is about as active
as this group has been in awhile. As far as core voltages go, the defaults
are different with about every processor offering. We try and run as low a
core voltage as possible and still achieve our goal. The starting place is
whatever the processor default is from intel.com or the box. We get what
we can at that voltage and then raise it a tad and do it again. After
going through this process a few times we eventually find the processor's
max overclockability. Heat is usually the first deciding factor. As a
processor is overclocked, the temperature becomes more and more important.
60c at default speeds might be just fine. 60c at a 30% overclock might
cause instability. I am waiting for my E6600/680i package now so maybe we
can share some info. Hopefully I can get started before the weekend.



Ed



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