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*** Official Opteron 170 Ocing Thread ***

turbotoaster said:
thats really interesting to know, trying out a few things with my fx60 now, on a fzr64 so still gets very hot

trying 1.328v at the moment and slowly increasing fsb, though its 46c dual prime at the moment though LOL
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I've been trying to get the ambient temps as low as possible by turning my pc against my bedroom window, and forcing as much volume of cold air over the cpu cooler by using the two 120mm fan to suck cold night air in from outside. I know this isn’t at all practical but at least it will show me what this cpu can do with better cooling. if I run any higher than 40c it will fail prime right on cue at anythin above 2.95g. If I keep it at about 37-38c it will go on and on.
I got the idea off this guy that lived in a very cold part of europe that simply used a big table fan to suck ice cold air over his crap pc cooler setup from outside. he could clock his 146 to 3.5ghz simply with very cold air.
 
Hesky82 said:
Well the thing is I started at a relatively high vcore of about 1.41 volts which my 146 ran best at, in turn I think my dual core simply ran a tad to "warm", not hot. and this capped my overclock from the outset. From what I've found it simply hit a wall in prime if I kept the temps around 50c, not hurting the cpu but hindering its max clock, which in my case was around 2.8ghz. I never thought about lowering the vcore because I thought 50c was an ok temp for any cpu.
At the moment I've been trying to get it around 8-10c+ lower than it was running before at 2.8ghz to sort of simulate the results you get from taking the ihs off. I did this by adding 2 huge 120mm fans running flat out surrounding imo a rather rubbish zalman 9500 cpu cooler, the 120mm fans and lower vcore help it run as much as 15c lower than before!! Atm my cpu still has its hat on.
Basically I'm trying to justify removing the ihs and going wc or better air, and I think I have.
If I can keep the cpu lower than 40c on load it will prime at a much higher clock, Ive found 1.34v is the max vcore I can run until anything higher pushes it over the 40c mark. Also its worth noting core 0 for me is effected most by temp, core 1 simply goes on and on, I thought it was the weaker core but I think it is simply running at a slightly higher temp than core1.
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Rip that lid of mate :)
You gonna see some awesome results if you cool it like you do.

Better yet with water, then you definately must take it off. :D
 
Hesky82 said:
I used a trick Clint taught me to get a fast stable dram setting quicky.
what he told me....
first use "Set Optimised Default" in BIOS, THEN turn up the HTT to the rated speed of your ram with the cpu on a lower multi if need be, do this before booting into windows and then in windows write those settings from A64 Tweaker down and set them in bios manually next boot...otherwise you will never get a good start.

that did the trick for me and I'd have to say these are the key settings that worked for me once I was up and running.

Max Async Latency - 08.0 Nano Seconds (some people can run 9ns with there uccc's but my hz just wont have it)

DRAM Drive Strength - 5 (weak 3)

And try these 3 relaxed tref settings out and see which works best for you, 1168 work best for me...

0908= 100mhz(7.8us)
1032= 133mhz(7.8us)
1168= 166mhz(7.8us)

I bet Clint has found some better dram setting now though :D

I know you can go tighter with the tref setting but this allowed me to run my 146 200mhz higher and I'm pretty sure its done the same for my 170.
tbh non of my dram settings are that tight, I still havent tweaked them yet.
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Cheers for the tips, gonna have to try them out when I can get on my pc. Should be interesting as I have the same stepping cpu and similar ram/mobo too ;) I think this will really help me out as my memory has been playing up recently and that your cpu behaviour is extremely similar to mine!
BTW what bios are you using still? Im currently using the 704-2BTA bios.
 
I get the best results from the 623 bios, actually flashed to -1 just to copy cat clint but it gave me about the same as -3 did. with my 146 I got a good 200mhz increase over the 510 bios.
 
Agent WD40 said:
Take the side of your case off and get some fans blowing all around the CPU cooler. That should lower your temps if nothing else...

Agent.

P.S. Turbo, whats the stepping on your FX 60? I've got one at home still in its box and I don't know if I should open it or send it back...
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cc2be 0536rpmw, if ya have got it, send it back cause its rubbish
can bench at 3060mhz suicide at 3.2 and only prime stable at 2.85 because of temps i think

one of the lads off xtremesystems has got this stepping on water and he can prime at 3.0, and bench at 3.1
also the side is off the case and the window is open, got vapochill to use but hat6e the case and trying to find another case for it but struggling
 
Agent WD40 said:
lol, its not that stepping. Its this...

ADAFX60DAA6CD
CCB2E0608BPMW
1424882B60335

ANy one know if this is going to be good stepping?

Agent.
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I have stepping: CCB2E0608EPDW and im struggling with it. Can do 2.8ghz @ 1.328v but am struggling with stuff higher. That xtreme page that hesky pointed out is very similar to probs im getting. Was really hoping for 3ghz on same volts as my 170 but dont think thats going to happen. Let me know how you get on with yours
 
Hesky82 said:
Level 2 atm
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By not choosing the right level, would you say this would effect your cpu overclock?

Also do you think that if your chipset gets to hot that this will limit your cpu overclock? I have just ordered a Alphacool NexXxos NB-SLI 1 Chipset Block, so that should hopefully keep my chipset cooler than the standard cooler. Currently underload my chipset gets up to 55c which I think is to high.
 
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Scoobie Dave said:
By not choosing the right level, would you say this would effect your cpu overclock?

Also do you think that if your chipset gets to hot that this will limit your cpu overclock? I have just ordered a Alphacool NexXxos NB-SLI 1 Chipset Block, so that should hopefully keep my chipset cooler than the standard cooler. Currently underload my chipset gets up to 55c which I think is to high.
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I've found that by having the data drive strength signal set high on my setup (L3, L4) it has an effect on stability, if you've had a good mess about you will notice there is a direct relationship between cpc and data drive strength. if you have cpc enabled I'd say stick with L1 or L2 dds. but of course it all depend on you ram etc...

my chipset hits around 50 on a hot day, I dont think 55c is to much myself. no harm in cooling it further though I guess.
 
Hesky82 said:
I've found that by having the data drive strength signal set high on my setup (L3, L4) it has an effect on stability, if you've had a good mess about you will notice there is a direct relationship between cpc and data drive strength. if you have cpc enabled I'd say stick with L1 or L2 dds. but of course it all depend on you ram etc...

my chipset hits around 50 on a hot day, I dont think 55c is to much myself. no harm in cooling it further though I guess.
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Well my ram is more or less the same as yours, so I will give (L1) a go.
 
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Hesky82 said:
my chipset hits around 50 on a hot day, I dont think 55c is to much myself. no harm in cooling it further though I guess.
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One of the pins holding my zalman on came out the other day so the hsink fell off my chipset - went to 54degrees with no heatsink. How are you getting yours so hot. Mine sits at 30degrees all the time although its next to vf700 so im guessing thats help cool it a lot
 
ted34 said:
One of the pins holding my zalman on came out the other day so the hsink fell off my chipset - went to 54degrees with no heatsink. How are you getting yours so hot. Mine sits at 30degrees all the time although its next to vf700 so im guessing thats help cool it a lot
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50c hot? :confused: NF4 chipsets are rated above a maximum workin temperature of 75C. why do people think 50c is remotely hot :rolleyes:
 
Well finally got my opty 170 today (freebie from 1 of my suppliers :)) its only a 0551 stepping but will see what i can get out of it (hoping to get at least the 2.7 i get with my 3500+).
 
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