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Voltage up for stability?

U

urbsnspices

[H]ard|Gawd
Joined
Mar 25, 2005
Messages
1,120
OK, Im runing a A7n8X-Dlx and I am OCd to 2.21Ghz. FSB is at 200 and memory is set at 85% multiplyer (166).
Temps are good(I think) with 40C at idle and 45ish at load.
Vcore is set at 1.65 and according to AsusProbe it is at 1.69.

I am still trying to figure out Prime95, but during heavy load I am good for a bout 3 hours before something gets flaky or crashes. Im playing WoW and working on graphics.

What are my options aside from throttling down? Up the chip voltage? Sync the FSB and mem speed? Im impressed with the stability being that this is a 2100xp333 chip but It needs a little tweaking.
 
I've got a similar system (see my sig) excpet that my A7N8X dlx is rev 1.04 which is probably older than what you have. Here are the factors I see that might affect your stability:

1. RAM: what kind of RAM do you have? Is it stable? Have you tried any memory tests/benchmarks such as Memtest? Your CPU might be golden but if your memory is crapping out, that will cause system instability.

2. Your temps look alright, slightly warm, but shouldn't be hot enough to cause problems. So if you're able to determine that it's not the memory (I would definitely check that first), then you could try bumping up the CPU voltage A LITTLE BIT AT A TIME. Go in the smallest increments possible, benchmark, and if stable then stop. Keep an eye on your temps as you do this.

3. You can sync your memory with your fsb (set it to 100%), as long as your memory is rated for DDR400 or better. This should result in a small performce gain, although the fact that you currently have it at 85% is probably not the cause of your instability. So this is just a general suggestion, but probably not a solution to your current problem.

4. There is always the possibility that you might not ever achieve a stable 200fsb configuration with your CPU. I've been running mine at 191x11.5 (or 2200 Mhz) for a long time now, and have tried from time to time to go to 200x11 but have always had stability problems regardless of vcore. And my memory is good. So, not every 2100+ has the capability to hit 200fsb (although some here may disagree :D ) I don't obsess over it though. I would never notice any real life practical difference between 191 and 200fsb so I go with stability over the magic 200 number.
 
Go ahead and try it to see if it works. Just dont raise it alot. Just a very little and test it... then check temps and stuff to make sure you arent burining up. If that fixes your stability prob, then you are all set.
 
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