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X2 3800+ (s939) OC-ing tips

post #1 of 36
Thread Starter 
My X2 3800+ rig went straight to 290x10 (with 5/6 divider) on stock volt. So... what can I do to make it go a little higher (say... 3 GHz? )? HTT is fine, and memory is actually underclocked

My temps are pretty bad though. 38 C idle, ~56 load. My CNPS9500LED has some scratches on one of the corner of the base, maybe that's why. But how many degrees will I "earn" if I switch to a Big Typhoon? Planning on going WCing in January, but running a 3800+ @ 3GHz @ stock volt @ air would be outstanding.

I don't know the stepping (never heard of that term when I built the rig in August. Yes, I'm THAT new to OC-ing). But it is a Toledo.

I'm not at home now, so I can't show you the CPU-Z screen, but I'll be back home on Monday evening.
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X2 3800+ DFI LP nf4 UT SLI-DR Expert Gainward 7900gt 512mb BLISS OCZ E.B. Platinum PC4000 (2x1GB) 
Hard DriveOptical DriveOSMonitor
Seagate 7200.10 320GB S-ATA NEC ND-3550A XP Pro 32bit Samtron 71s (yuck!) 
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No-name... Fortron/Source Epsilon 700w Chieftec Dragon (Big Tower) Logitech G5 
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post #2 of 36
2.9ghz stable? Have you run Prime95 x2?

Are you sure you're running stock volts, 38 idle and 56 load is really really high if you're at stock volts. On my stock cooler-overclocked to 1.42v I only maxed at like 52C, hmm

I can get 2.65ghz stable at stock voltage, but thats it.. (this is actually very rare, most need to up voltage at 2.4ghz). My chip is a manchester though...

I really doubt you could get 3ghz at stock volts (not to mention stable)
post #3 of 36
You can only honestly call it a stable overclock if you've run some kind of stress-test, e.g. Prime95 on each core, for at least 8 hours in most communities - I'd be very surprised if it lasted that long!

You should knock off 3-5C, maybe even a bit more, if you upgrade to a Big Typhoon - their not the easiest thing to fit though
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post #4 of 36
Thread Starter 
What I did when I overclocked it was this:

1: Up FSB by 5 MHz with Clockgen
2: Test with dual prime for 30 min. or so.
3: If stable, leave it there and play some games (as I always do ) till late at night.
4: Reboot, set FSB in BIOS to the one tested with Clockgen
5: Dual prime during the night (~8-9 hours)

290 was the max, I found out. Well, it passed 292 for 1h30min before I stopped it, as I wasn't going to reach 300 anyway. 295 wasn't prime stable either.

This is the first time I've built a PC, so I'd be surprised if I used the ultimate amount of AS5 on the chip. Stock volt on this chip is 1.35v btw, and all I did was check in the bios what voltage the core got when it was set on auto, and then I manually selected that value. Never changed it to a higher value, and I don't dare doing that with my load temp.
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Hard DriveOptical DriveOSMonitor
Seagate 7200.10 320GB S-ATA NEC ND-3550A XP Pro 32bit Samtron 71s (yuck!) 
KeyboardPowerCaseMouse
No-name... Fortron/Source Epsilon 700w Chieftec Dragon (Big Tower) Logitech G5 
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Friggin' huge and expensive one :-) 
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X2 3800+ DFI LP nf4 UT SLI-DR Expert Gainward 7900gt 512mb BLISS OCZ E.B. Platinum PC4000 (2x1GB) 
Hard DriveOptical DriveOSMonitor
Seagate 7200.10 320GB S-ATA NEC ND-3550A XP Pro 32bit Samtron 71s (yuck!) 
KeyboardPowerCaseMouse
No-name... Fortron/Source Epsilon 700w Chieftec Dragon (Big Tower) Logitech G5 
Mouse Pad
Friggin' huge and expensive one :-) 
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post #5 of 36
56 under load is fine - I wouldn't worry about it until it gets to 60

If you can afford it I would definitely recommend upgrading the cooler - its known to be quiet but not the greatest cooler

Try adding 0.025V more - the minimum amount - and then try running Prime95 for several hours and seeing the temps; before you do that, download Core Temp and check what the recommend max temp is
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post #6 of 36
First of all he said he's not home to give a CPU-Z screen so he can't download and install that program yet.

Second, you should download Speedfan, Everest, and CPUCool (once you get home) because the different temp. monitoring programs bring up different temps. Also, if you have enough room in your case get the BT and lap it. You'll see a good drop in temps.

Happy OC'ing!
post #7 of 36
Brome - it was a suggestion for when he gets home, just like yours; its just another temp program but its well trusted

In my eyes don't worry about lapping - I'm considering doing it but it takes ages, but it will knock a couple more degrees off your temps.
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post #8 of 36
I don't like clockgen, overclock using the bios, it is often much more stable/reliable
    
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post #9 of 36
as for cooling with the Big Typhoon it wouldn't most likely provide nice results.

From my stock cooling my temps dropped a lot when I went to my Big Typhoon.

My temps with stock were roughly 43-46C idle on Stock. One I put the Big Typhoon on its idle about 25c-30c (Core temps).

They are very ockward to workwith but very worth it!
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post #10 of 36
Quote:
Originally Posted by Niko-Time View Post
I don't like clockgen, overclock using the bios, it is often much more stable/reliable
Uhhh... he said he OC'ed in Clockgen to test for stability then changed in the Bios, so he is OC'ing with the Bios...

Prosser- Yeah, lapping is a B**ch, definetly not necessary.
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