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Can I push my E2160 further?

post #1 of 19
Thread Starter 
Hey guys. I'm still very new to overclocking but so far I've been able to accomplish a slight overclock without blowing up my computer. I was hoping with your help, I could maybe push a little bit more out of my processor.

Currently, my processor is at 2.70Ghz from the stock 1.80Ghz:

CPU: (9x Multiplier) x (300 FSB) = 2.7Ghz

And my 2x1GB of Crucial Ballistix is running at:

Memory: 1:1.25 divider = (300mhz) x (2x Multiplier) x (1.25 Divider) = 750mhz

Originally like I said, my CPU's stock frequency was 1.80Ghz, with 200FSB. I basically just made a blind leap and increased the FSB to 300mhz to come to the 2.7ghz frequency. As for my Crucial Ballistix, I just tried the divider that came as close to the factory DDR2 800 standard as possible, and used that at 2.2V

So far, it has gone through 10 hours in Prime 95's blend test without failing a test, so I take it that my computer is stable as it is? Core Temp and Speed Fan monitored that the highest temp reached was 42C.

I was wondering what steps I should take next in maybe inching my CPU towards its max potential.

My batch # is Q742A069 and my stepping is SLA8Z if that's of any relevance. Thanks for your help. I look foward to your comments.
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post #2 of 19
Yes, you can always push further

Now finding whats holding you back is the interesting part
post #3 of 19
Thread Starter 
I think it's inexperience more than anything. I don't really have room for error because money is tight, and I don't want to mess anything up and have to buy new parts. I've seen the E1xxx and E2xxx configuration thread where users have pushed the E2160 to 400FSB, but I'm assuming they have a really nice cooler and/or they know how to manipulate the minute details of their cpu/ram to work with each other.

Should I start increasing my FSB by 10mhz now and run a 8 hour prime 95 blend test each time until I find an error? The torture test was ran for exactly 10 hours and 45 minutes with 0 errors and 0 warnings.
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post #4 of 19
Thread Starter 
I have just pushed my E2160 to 3Ghz:

(9x Multiplier) x (333mhz FSB) = 3Ghz

and set my RAM to run at 800mhz

1:1.2 divider (333mhz) x (DDR2 x 2) x (1.2 ratio) = 800mhz at 2.2V

I ran the Prime 95 Blend Test overnight for 11 hours with 0 errors/0 warnings and I ran one pass of Memtest-86 v3.4 with 0 errors. Can I assume that this overclock is stable, or do I need to run any further tests / run Prime or Memtest longer? Thank you.
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Rook
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post #5 of 19
Quote:
Originally Posted by KingsidePressure View Post
I have just pushed my E2160 to 3Ghz:

(9x Multiplier) x (333mhz FSB) = 3Ghz

and set my RAM to run at 800mhz

1:1.2 divider (333mhz) x (DDR2 x 2) x (1.2 ratio) = 800mhz at 2.2V

I ran the Prime 95 Blend Test overnight for 11 hours with 0 errors/0 warnings and I ran one pass of Memtest-86 v3.4 with 0 errors. Can I assume that this overclock is stable, or do I need to run any further tests / run Prime or Memtest longer? Thank you.
I hate to say this (after an 11-hour run), but Small FFT's is Prime95's most stressful test for the CPU. It utilizes the most L2 Cache and subsequently generates the most heat, as well. The Blend Test isn't bad though.

Your memory should be fine after the Memtest run. I actually wouldn't be surprised if you could lower the voltage down to 2.1 or even 2.0 @ 800MHz and 4-4-4-12 1T/2T timings. That's some great RAM. What are your timings, btw?

Your CPU is probably fine, but if you want to know your max temp, run Small FFT's for 15 minutes or so and you'll know what I'm talking about. Even with the Blend test though, I'd guess it's probably stable after 11 hours.

You may want to check out this thread that Linskingdom put together, concerning E2000 series overclocking info. It has a lot of useful stuff in it.

PS: Keep pushing your CPU! Keep it cool (which shouldn't be hard with a Tuniq Tower), and keep it at 1.5V or less (Intel's max spec voltage). If it's an L2 stepping E2160, stay under 61C. If it's M0 stepping, keep it under 73C. But you should be able to get 350-375FSB or maybe higher within the voltage/temp limits - maybe higher with an M0. I want to see at least 3.2GHz!
    
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post #6 of 19
i would say to keep upping it until either you can't boot or 400mhz FSB

3.6? awe yea
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post #7 of 19
Well, rest assured that you do have a nice cooler. I've been told that it's the one of the top of the line air coolers (I didn't say THE top of the line, I said one of them).

And as far as your temperatures go, try CPUID's Hardware Monitor. It's all I use for my temps because the temps it shows match the temps my BIOS's "System Monitor", where CoreTemp, for example, shows much lower temps, which I think have to be the ambient temps. For example, CoreTemp thinks my cpu idels at around 22°C. That's approximately 70°F. That's the same temperature as the air that I'm breathing!

For example, Hardware Monitor says my CPU temp is 39°C right now, which is 102°F. To me, that's far more realistic, and it's something I can believe and trust.

And speaking of temperatures, somebody told me the maximum temperature for my CPU was 85°C. When I do a stress test using the Small FFTs, it has trouble reaching 65°C. Notice that I have a Tuniq Tower.
post #8 of 19
my buddie's E2160 was pushed to 400FSB Stock cooler and everything, nothing was modded nor nice case, and a 17s PI

EDIT: he later made it to 3.75Ghz, but there isn't any much performance increase so I didn't keep the photo

here's a proof from my blog (was doing a pi database etc)
http://bp0.blogger.com/_NiuNp7ppHNU/...-h/3654MHz.JPG


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post #9 of 19
Thread Starter 
@Choggs396

So I guess my time was pretty much wasted. I thought I read somewhere on this forum that small FFT's stresses the CPU, the one below it stresses RAM, but Blend Test stresses both so is therefore more comprehensive of a test. What you're saying is, most people that run Prime 95 to see if they have a stable overclock do 6+ hours of small FFT's and not Blend Test? I'll keep that in mind.

My timings were 4-4-4-12 2T, but then I started getting these random blue screens after I used the computer for awhile, and then when I reboot, it posts but follows by saying something is corrupt.....usually several reboots will do the trick and it will load to log-in screen. I thought it was memory related so I dropped it down to 5-5-5-15 2T at 2.2V so it should be stable for this 3Ghz overclock.

I have an E2160 with a M0 stepping, but even right now when I'm testing 6 hours into Small FFT's on the 3.0Ghz overclock, Speedfan and CoreTemp doesn't show it getting hotter than 42C. Good stuff.

@5CheeseLasagna

The Tuniq Tower is awesome, not the best but very adequate. I will look into the CPUID Hardware Monitor. 42C max temp reached when running small FTT's doesnt sound right, especially when you guys are throwing numbers in the 60s and 70s at me.

@TripleC

I'm not familiar with this Super PI test that I see in your link. Would you mind briefly explaining what it is?

Honestly thanks for your input. I really appreciate the community on this forum and everyone's willingness to help each other. If you need any additional information, let me know and I'll get back at you.
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Rook
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post #10 of 19
Quote:
Originally Posted by KingsidePressure View Post
@Choggs396

So I guess my time was pretty much wasted. I thought I read somewhere on this forum that small FFT's stresses the CPU, the one below it stresses RAM, but Blend Test stresses both so is therefore more comprehensive of a test. What you're saying is, most people that run Prime 95 to see if they have a stable overclock do 6+ hours of small FFT's and not Blend Test? I'll keep that in mind.
Well, not completely wasted. The Blend test is an okay measure for overall stability. It will test CPU and RAM quite a bit, but just won't hit the CPU as hard as Small FFT's will. Small FFT's will not test RAM at all, however. It's just a good measure of fully stressing the CPU's L2 cache and portrays maximum heat.
    
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