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Athlon X2 3800+ overclocking adventure - Page 2

post #11 of 41
i see the missunderstanding, PCI-e is faster and thereby runs at a higher speed, keep the PCI at 33mhz. , id say keep both the AGP and the PCI near where they are now, (try to lock them in place).

as for upping the vdimm first. many times ram can be the cause of the instabilities in a system, so if you increase the vdimm to say 2.7-2.8v then that usually fixes that. but if that doesn't fix the problem, then increase your vcore. raising the vdimm first means that you avoid running more voltage though the CPU than neccessary, and thereby lowering the temps. (should have been more clear on that, sorry). this happened to me even when i kept the ram speeds at about the same speed, someone with 1200+ reps gave me that one...

post any/all questions that you have.... and yes the OCing through bios seems more tedious, but its also usually better/ more reliable.

EDIT: sorry didn't see that at the bottom.... it makes a good screenshot though..
post #12 of 41
I guess you be right with agp, but why have agp on an x2, well to the ram matter, not all rams run well at high vdimm, as for mine they (never tried it) run better at low vdimms then at high, so it kinda depends on the kind of rams you have.

I have this from alot of reading what ive done.

edit: pci runs @ 33 mhz; agp @ 66 mhz; and pci-e @ 100 mhz, so he doesnt have an agp card. but keep them locked at those speeds, forget about the 66 though you dont have agp, the 100 is good.
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post #13 of 41
Thread Starter 
Ok, integrated peripherals are already disabled, hehe, that's one thing that I've always done.

As I said, I'm not going to use software to OC, just as info gathering source.

For testing, I was going to try some super-pi and prime95 for maybe 12-24 hours for the final result as philweed suggested. In between I'd do some quick stress tests and what I naturally do (Games, Photoshop, and some video encoding. That's the fun part! )

thanks again for the pointers.
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post #14 of 41
personally it worked for me and i could lower my vcore to 1.675 from 1.725, and get rid of my heat problems. but i guess it could depend on the ram. i use corsair valueram (pc3200). from what i've hear around the forums ram (all kinds) usually run fine at 2.7-2.8v. some people go as high as 3.1-3.2v. but i've heard that 2.7-2.8 is considered safe. but then again there could be exceptions to that. i dont want to get into an arguement, its just what worked for me, it might or might not work for him. and with stock cooling i would at least give it a try (if i were him) especially if he is at high temps and needs stability. who knows he might not even need to, his goal is only to get 4400+ performance out of his 3800+. so he might not even have to change anything other than his htt and htt multi.

good luck with the OC, we'll be here if you need more insight...
post #15 of 41
you dont have agp so dont worry about it.
set pci bus speed to 33.
set pci-e bus speed to 100.
disable all spread spectrums they are useless concept used to reduce emi (unless you're seriously paraniod that the fbi are monitoring your signals for all the pyriting you do lol.)
disable cpu (thermal) throttling
disable all controllers ports you don't use, i.e serial, lpt, whatever else they may have thrown in.
Do Not Exceed the maximum voltage for your ram, you lose thewarranty and you gain no performance.
Use the bios please.
YOu have a lot of your basic settings right, my suggestion is to take your steps, run dual 36m super pi's (the program can be had on the download section at this site) to check for stability. You can do this either by editing the program/registry to set cpu affinity to a particular core @ program load or using the task manager, right click on process, set affinity its good if you're in a hurry like I am lol.
Keeping raising fsb/htt/ whatever its called these days till you reach your desired speed/ or error out, then either back down fsb or raise core voltage till you reach stability.
Exceeding 1.6vcore 50C load temp with air cooling is not recommend if you'd like to use your processor for awhile.
After you reach wherever you want to go and run the super pi's, dual prime95 or run occt and enjoy!
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post #16 of 41
Yeah as said logan it differs from ram, but enough said about that.

You are on good track mrhardname, If you run into any probs just put up a msg, there are people alot smarter then me here who can always help you out.
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post #17 of 41
Thread Starter 
I'll let you know how it goes. Sadly, it must wait until tomorrow as I have some long hours of uploading to do tonight. Thanks again, you guys are definately a helpfull group here.

Philweed, it's mr pico linni...easy to pronounce! hehe.
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post #18 of 41
Just a few things.

1. Logan is right (in my experience) the vdimm will some times help with stability with a overclock (even if you are running the ram at stock speeds). You will be ok at 2.7-2.8 I've pushed Corsair value higher than that with longevity.

2. You need to be sure to run a torture test that either uses 2 cores or one that you can run two instances of. (seeing as your have a dual core chip)

3. You will NOT be ok running at 5 on the ht at 240 bring it down to 4.

4. Even if your not overclocking the ram run memtest86 (link) first. I would suggest running it through a few times than running test 8 for a while.

5. You may need to up your chipset voltage to reach your goal. Just bump it by a little bit at a time and watch the temps.

6. Last thing 2.4Ghz would be a 4800 without the cache not a 4400.
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post #19 of 41
just a last note. as deathdespenser said raising vdimm does not help performance at all. it can help stability, but i doubt you'll be running into that (ram instability) at your target speed.

sorry about the AGP thing, forgot that you dont have AGP.... thats what i have. but the PCI and PCI speeds should be locked at what deathdespenser said. (same problem, different names)

high temps should be under 50c (check while running prime95 or super pi).
t
post #20 of 41
good advice TDA,
2.4ghz, 2x512 l2 cache sounds like a 4600+ to me lol
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