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3700+ San Diego Core Speed

nheather

nheather

nheather

Associate
Joined
19 May 2004
Posts
942
Location
Horsham, West Sussex
I'm experienting with overclocking my Athlon64 3700+ SD.

I started with

250x11 (2.75GHz) with RAM on 196MHz (333 Divider)

I then tried this, to get the RAM speed higher

270x10 (2.7GHz) with RAM on 225MHz (333 Divider)

Both of these are stable.

I then decided to concentrate on CPU speed and currently have

265x11 (2.915GHz) with RAM on 208MHz (333 Divider)

This can run windows all day, but will lock up on really heavy games

So far I have been on stock volts (or so I thought) so I thought I'd start increasing the volts.

This is where I became a little surprised.

I thought stock volts is 1.4V for this CPU. The CPU voltage is set to auto. But all my monitoring tools agree that voltage is around 1.5V although it varies slightly.

What is going on?

Is the stock volts 1.4V or not?

Or is the motherboard (A8N-E) somehow sensing the need to increase the voltage and setting it to 1.5V?

N.B. Just thought of something to try - perhaps the MoBo just reports high - just going to manually set the volts to 1.4V to see what readings I get.

Cheers,

Nigel
 
Stock volts is 1.4V, generally I always manually set the Vcore in the BIOS as using Auto can lead to unpredictable results.

Jokester
 
Yep, just manually set it to 1.4V and my monitors say 1.4V.

So perhaps my CPU doesn't clock as well as I thought as I beleived I was on stock volts but in fact I was on 1.5V.

How high can the volatge be pushed on these CPUs?

Cheers,

Nigel
 
I read that 10% above the default vcore is a good range to keep the voltage within. But others will go way above that. Of course the higher you increase the voltage the less life your cpu will have, and more heat will be produced, but as most upgrade quite often that is not big deal. I don't go above 1.52volts on my Sandy 3700+ It does 2.9ghz at 1.52vcore.

Michael
 
Running AUTO on my venice, generally it sits around 1.58 - 1.61vcore, and its been stable for the last 4-5 days without any problems.

I've got my own thread asking about opinions on a san diego 4000, after seeing the results here i'm wondering if the 4000 clocks as well.

Would you bother switching a 3200 venice to a 4000 SD?
 
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