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Official Phenom II x2 500 Club! - Page 370

post #3691 of 4289
GAMING UPDATE ON 180X21 3.8 SETUP:

I was concerned that my setup would fail in games. Previously, when I tried to game at 3.8 (200 x 19), I would crash - had to go 3.6 to remain stable. However, just played for an hour at 180 x 21 x 3.8 and smooth as glass. CPU never got above 43C.

Weird.

Could it be that for some reason an unlocked 550 likes a lower HT and higher multiplier? All indications so far say yes. Again, weird.

P.S., The 1.525 volts doesn't seem to be causing any heat or stability issues.
post #3692 of 4289
MORE WEIRDNESS:

I have noticed that this setup of 180x21 wont load in BIOS. It also won't load automatically without crashing in AMD Overdrive. My guess on that is that OD loads the multiplier first and then the HT. Since it tries to load a 21 multiplier on a 200 HT (before it sees the 180) it crashes.

So, if you want to try this, you have to do it manually at runtime.

Another odd point. I had a couple pieces of hardware in PCI slots that really weren't being used so I took them out. The result was that my scores JUMPED EVEN HIGHER to 10,106 on the AMD Overdrive Score and 2138 on the Passmark Score (an i7 920 3.9 comes in at 2285, only 100 points better!).

So I am getting a Passmark score equivalent to an i7 Score clocked .1 ghz higher with a $90 CPU!

Weird.
post #3693 of 4289
i'm afraid to go above 1.5v...

i tried doing 3.8Ghz with 1.52V, it ran prime95 for a few hours before crashing. I changed it back to 3.71 which i had stable for over 12 hours in prime95 blend, but now with my energy saving state (configured with phenommsrtweaker) i would get intermittent lock ups doing low demand stuff (just like surfing/browsing, etc.). Intermittent as in my screen would go black for a few seconds and return. I thoguht this might have something to do with my video card being overclocked, so i changed that back to stock--no dice. This would occur several times before permanently crashing and needing a reboot.

Increasing the voltage for the power saving state fixed it, but this power saving state was stable at that previous setting before i tried 1.52V. Perhaps overvolting in my case decreased (or increased depending on how you look at it) the voltage tolerance, requiring a higher voltage at a given clock.
 
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post #3694 of 4289
Ok, so from what I understand when having the 550 be unlocked to a quad core a good basis for judging the temperature of the CPU is TMPIN2 in HWMonitor. I've been running at 200 x 16 for a total of 3.2GHz overclocked with the 3rd and 4th cores unlocked now for about an hour running Prime95. The TMPIN2 reading in HWMonitor is steady at 53C. When I had just two cores running the TMPIN2 was reading around 2 to 3 degrees higher than the Core Temperatures.

My question is, am I safe to continue running it like this as long as Prime95 doesn't crash? Also, how long should I let Prime95 run? I've read many different opinions ranging from 1 hour to 24 hours, so any feedback would be appreciated.

Thanks
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post #3695 of 4289
Quote:
Originally Posted by Iggy0828 View Post
Ok, so from what I understand when having the 550 be unlocked to a quad core a good basis for judging the temperature of the CPU is TMPIN2 in HWMonitor. I've been running at 200 x 16 for a total of 3.2GHz overclocked with the 3rd and 4th cores unlocked now for about an hour running Prime95. The TMPIN2 reading in HWMonitor is steady at 53C. When I had just two cores running the TMPIN2 was reading around 2 to 3 degrees higher than the Core Temperatures.

My question is, am I safe to continue running it like this as long as Prime95 doesn't crash? Also, how long should I let Prime95 run? I've read many different opinions ranging from 1 hour to 24 hours, so any feedback would be appreciated.

Thanks
i usually just test for 12 hours, though i've personally experienced a crash past 12hrs.

53C is fine. Are you running a stock cooler?
 
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post #3696 of 4289
Quote:
Originally Posted by ez12a View Post
i usually just test for 12 hours, though i've personally experienced a crash past 12hrs.

53C is fine. Are you running a stock cooler?
Yes, for now I am using the stock cooler.
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post #3697 of 4289
Quote:
Originally Posted by Iggy0828 View Post
Yes, for now I am using the stock cooler.
ok. stock cooler is fine for a quad if left at stock clocks. If you do any kind of overclocking you will need to get an aftermarket cooler.
 
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post #3698 of 4289
Quote:
Originally Posted by ez12a View Post
ok. stock cooler is fine for a quad if left at stock clocks. If you do any kind of overclocking you will need to get an aftermarket cooler.
Well stock clock speed is 3.1, i pushed it up to 3.2. Should I drop it back? I don't want to do Auto on the multiplier since it fluctuates between 4x and 15.5 depending on usage. Seems to me that cuts down on performance, but as I am new to overclocking I could be wrong.
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post #3699 of 4289
WHAT I DONT GET ABOUT THE WHOLE PRIME THING:

For one, it is completely unrealistic as there is ZERO chance you will ever be required to run your CPU full out for 12 hours straight. You might have a crash doing that after 5 hours (by just passing a random errata), but that doesn't mean that overclock would EVER rash in regular daily use.

In other words, you are rejecting an overclock that would work perfectly fine in a real-world scenario just because it crashed in a hypothetical scenario that would never actually happen? To me, this is foolish.

So, if your goal is to win some sort of overclocking contest, then run prime. If you are just looking for a fast desktop and gaming machine, who cares?

My rig at 180x21x3.8 might fail Prime, but it runs like hell all day real world and that's all I care about.

YMMV.

P.S., My B50 was real hinky at 3.8 when I went 200x19. However, it seems rock solid at 180x21 - who knows why? Anyway, I am benching pretty much equal to an i7 920 with this setup.
Edited by mitchellvii - 2/6/10 at 2:32pm
post #3700 of 4289
Quote:
Originally Posted by mitchellvii View Post
WHAT I DONT GET ABOUT THE WHOLE PRIME THING:

For one, it is completely unrealistic as there is ZERO chance you will ever be required to run your CPU full out for 12 hours straight. You might have a crash doing that after 5 hours (by just passing a random errata), but that doesn't mean that overclock would EVER rash in regular daily use.

In other words, you are rejecting an overclock that would work perfectly fine in a real-world scenario just because it crashed in a hypothetical scenario that would never actually happen? To me, this is foolish.

So, if your goal is to win some sort of overclocking contest, then run prime. If you are just looking for a fast desktop and gaming machine, who cares?

My rig at 180x21x3.8 might fail Prime, but it runs like hell all day real world and that's all I care about.

YMMV.
That's exactly what I was thinking, my setup is perfect for what I do. Some light gaming, web browsing, burning cds/dvds, watching movies on netflix, and occasionally I might download pictures or videos from friends digital cameras and convert them to put on a dvd or a picture cd. I don't think I even need quad core. It's just nice to say I got a quad core processor for less than $100.
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