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Strangely Low Voltage

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Peteman100

[H]ard|Gawd
Joined
Oct 7, 2007
Messages
1,466
I have the FSB of my P5Q Deluxe at 425 and I just passed 10 runs of Intel Burn Test at a NB voltage of 1.16. I keep lowering it to try and find the minimum stable point but it hasn't failed yet. Most people I see have their NB voltage set at around 1.3. Any idea what could be going on?
 
your NB/MCH is a good one (luck of the draw(

and/or Intel burn test runs a tight series of cpu instrucions to stress the cpu. It does little or nothing to stress the rest of the system, The MCH/Northbridge is the "bridge" that connects the cpu to the memory and video and those systems are not being stressed. Try Orthos or some other porgram that will test the system as a whole or fire up a game.
 
I'm running the Prime 95 blend test and it seems to be holding up fine. What I've been doing is running my CPU multiplier at 8 instead of 8.5 (Q9550) in order to isolate the NB as the component being stressed. Could doing that actually be taking some of the stress off, or do I just have a good part?
 
run prime95 and a gpu benchmark at the same time.. and see if it fails.. that should stress the NB out enough..
 
its looking like you have a good part and/or the factory cooling for the MCH/Northbridge is doing its job as well (which would help with stability at lower voltages). The thing is there is probably not a lot of gain, other than curiosity, which is all well and good fun, at reducing the MCH/Northbridge more than a bump or two below stock. The power savings is not great. But still, an interesting excersize and running things as cool and using as little power as actually needed to do the job is never a bad thing.

IMO the game you play the most is the best stress test, 3Dmark is a decent one, and Furmark while not really entertaining will put a video card to the test but a good newish game will stress the cpu memory and video all at the same time A lot of GPU benchmarks primarly focus on keeping the video card busy and if all you want to do is test the video card, (like the Intel burn test) that fine. But a game or to a slightly lesser extent 3dmark will test the whole system and give the MCH/Northbridge a decent workout.

Back to your original question , sorry, you have likely noticed I get off track easily, anything you could want or need should be here.

http://downloads.guru3d.com/
 
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