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Can I/should I overclock any more than this?


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OK for the last hour or two I have been overclocking and testing with the board BIOS's integrated MemTest86. My friend who has most of the same parts as me overclocked helped me do this.

 

Opteron 144 Stock options in BIOS:

1.8GHz

Core voltage: 1.4V

FSB: 200MHz

Memory divider: By DRAM SPD Value

 

We stepped up the FSB 20MHz at a time while lowering the memory ratio to keep it as close to 200 as possible. Correct? After every change, I booted into MemTest86 and ran it for several minutes to check for errors.

 

Sometimes I hit a stream of errors so my friend told me to bump up the CPU VID voltage. That helped.

 

I got up to 300MHz FSB @ 1/2 mem with no errors, but could not boot (registry corrupt). I changed it back to 290MHz FSB with 2/3 mem (meaning the RAM was running at 193.33MHz), using 1.5255V in the CPU. Temps were fine throughout the overclocking.

 

My current specs are the ones above, I now have 2600MHz on my Opteron.

 

My questions are: could I overclock this anymore? What else would I have to change to do this? I want to have the least risk possible in my overclocking, so what could I do to reduce it? My friend suggested not to push the CPU voltage above 1.6V, so I probably will not.

 

Thanks,

Josh

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It will help greatly if you buy a good high performance PSU (OCZ 600W GamerXstream) since you're very limited with watts i think. Another thing i wanted to mention is you'll probably need to get something better than the Value Select memory modules if you want to push your CPU higher. Are you using the stock HSF on your processor? Try adjusting the vCORE (Processor voltage) to 1.6v and see if you can hit higher speeds that will actually boot into Windows. If that works, try playing some games at high resolution/game settings. Also put your CPC to 2T.

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[Thanks for the quick reply. ^.^]

 

Actually I probably won't buy another PSU for a while, since I just bought this one a couple months ago.

 

Yeah I wanted to buy better memory but this was good for me since I was on a budget, so I'm looking into either this or this when I upgrade my RAM.

 

I am using the Stock HSF on the Opteron but I am probably going either today or tomorrow to buy the Arctic Freezer 64 Pro for it.

 

What do you mean by CPC? What menu is that in?

 

Thanks.

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Welcome to the "Street".

 

Once you believe that you have your rig stable, then run "Prime95" awhile; up to 24 hours. This will tell you the true story about your stability.

 

I OC'd my rig last evening. I ran Memtest86 and OCCT, without any errors. Then, I ran Prime95's "Stress Test". It ran great for 3 hours and 26 minutes -- oops! The program haulted due to hardware error. So, you can see, a perfectly appearing rig can actually be very unstable.

 

Here is the bible for getting a stable system:

 

http://www.dfi-street.com/forum/showthread...ng+guide+thunda

 

Read it and re-read it and you will learn something new every time.

 

Good luck!

 

p.s. I like your town. I have traveled through it many times enroute to Vancouver. I am one of your neighbors to the south.

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Guest caffeinejunkie

CPC is comand per clock and it is located in the DRAM config. It will look like this:

 

Command Per Clock (CPC) - Disable (disable puts it at 2t)

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[Thanks for the quick reply. ^.^]

 

Actually I probably won't buy another PSU for a while, since I just bought this one a couple months ago.

 

Yeah I wanted to buy better memory but this was good for me since I was on a budget, so I'm looking into either this or this when I upgrade my RAM.

 

I am using the Stock HSF on the Opteron but I am probably going either today or tomorrow to buy the Arctic Freezer 64 Pro for it.

 

What do you mean by CPC? What menu is that in?

 

Thanks.

 

p.s. I like your town. I have been there many times. I am one of your neighbors to the south.

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Listen to Mack27 about your PSU and memory. Do yourself and your motherboard a big favor. Get a Recommended PowerSupplies. If it is not here forget it.

 

Here are a few threads to check out;

PSU Brands to Avoid

 

Minimum requirements is a 24-pin 480w power supply (PSU)

 

Recommended - RAM Guide for DFI nF4's. Look under (A list of good memory modules).

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