[Ross]

670 on the left, 930 on the right and the new logo sucks:


First boot. Stock Intel HSF and TIM, which probably isn't even set yet. NOTE: my mobo still has the vdroop mod making set Vc + .07V. Vc is currently set to AUTO in BIOS (so 1.29V is default I guess), but BIOS settings now go all the way down to 1.18V

I am pretty impressed with these idle temps on the stock cooling. My 540 idled about that temp on WATER.

[Ross]

I turned DOWN the Vc in BIOS to make up for the vdroop mod +.07V overvolt issue, so actual Vc here is now what it would be without the vdroop mod.

This is the limit I've reached at real stock Vc (1.29V) on the stock Intel HSF/TIM. Idle temps definitely moved with the FSB change, but it's not exactly cool in here (~77F) and the stock HSF isn't exactly good


Time to see what it takes for 4GHz...

[xTrEmEoVrClOcKr]

First thing, make your own cascade mount . Aircooling is boring ...

[socrilles]

is it prime stabled there at 3.73 ghz on default vcore/cooling? - I eventually want to buy a dell with a 920 and just mod it to 266 fsb

[speed bump]

Looks nice so far ross, good luck on the 4ghz.


As soon as you hit 4ghz+ on air though rip off that stock cooler and go for phase.

[deathman20]

Cool.. well warm but still cool

Subscribed....

[Ross]

socrilles, I haven't run prime, but it's stable @ 3.75 (250FSB on the 3.0) for everything I ran (quick tests) including SPi.

speed, it most certainly won't be long before I switch to phase...I can't stand this air cooling. At the rate this is moving though, I am just praying to get 5GHz stable on it.

3.75->4.0GHz took a pretty big jump in Vc to get it to boot (1.29->1.40Vc). It's SPi stable here and I will do some longer benches to confirm. 4.2GHz locks up immediately and 4.1GHz crashes when opening an app.

This is 1.40Vc and I stuck a 120mm behind the Intel HSF to help it along. Nice to see that helped a decent amount. Even with the increase in Vc/FSB, it's running cooler than it was @ 3.75/1.29Vc with just the stock HSF (that is idle temp in the pic). Anyone getting one these that's going to run on air, do yourself a favor and get a good 120mm cooler right off the bat...the Intel HSF is a joke.

[Sentential]

Originally Posted by Ross

3.75->4.0GHz took a pretty big jump in Vc to get it to boot (1.29->1.40Vc). It's SPi stable here and I will do some longer benches to confirm. 4.2GHz locks up immediately and 4.1GHz crashes when opening an app.

Oh man... I was hoping it would go higher before the diminishing returns kicked in

[deathman20]

Originally Posted by Ross

socrilles, I haven't run prime, but it's stable @ 3.75 (250FSB on the 3.0) for everything I ran (quick tests) including SPi.

speed, it most certainly won't be long before I switch to phase...I can't stand this air cooling. At the rate this is moving though, I am just praying to get 5GHz stable on it.

3.75->4.0GHz took a pretty big jump in Vc to get it to boot (1.29->1.40Vc). It's SPi stable here and I will do some longer benches to confirm. 4.2GHz locks up immediately and 4.1GHz crashes when opening an app.

This is 1.40Vc and I stuck a 120mm behind the Intel HSF to help it along. Nice to see that helped a decent amount. Even with the increase in Vc/FSB, it's running cooler than it was @ 3.75/1.29Vc with just the stock HSF (that is idle temp in the pic). Anyone getting one these that's going to run on air, do yourself a favor and get a good 120mm cooler right off the bat...the Intel HSF is a joke.

I still think thats pretty good for stock heat sink. Its not horrible but with a nice 120mm heatsink/fan setup im sure you could get nicer results.

[Super Nade]

Speaking of stock heatsinks, how is the Intel stock HS? Is is nice and beefy or a crap paperweight like the A64's HS? (pics would be nice ).

Also, maybe you should burn it in a bit more at stock Volts before upping VCore.

[greenmaji]

your not going to burn it in?

or are you just streaching its legs or something?

[Ross]

Oh man... I was hoping it would go higher before the diminishing returns kicked in

Me too, but it wasn't totally unexpected since all we've really seen so far are the high end procs. I was really hoping 4GHz before having to jack up the Vc (+.125V), but I know the Presler Anandtech used in their preview wouldn't even go over 3.6 without bumping up the Vc. The difference there is that their ES was stable at 4.25 w/1.41Vc. I haven't tried mine higher than 4GHz yet since tapping it up to 1.425V (stable on all benches so far), but I will definitely do that before I put phase on...maybe it will go 4.2 there.

Yes, the stock Intel HSF is the same garbage they've been including with the Prescotts...nothing new.

I've never burned-in a proc before upping Vc in my life and I haven't blown one up or had one die yet either...it's not like I go nuts with Vc though either.

I had to bump the Vc to 1.425V @ 4.0GHz to get it pass everything, but so far there, it's passed all these in a row without a reboot in between anything, SpeedFan logging during all and all my normal start-up stuff running (ie. normal boot, didn't close anything to free resources):
PCMark05
Cinebench
3D Mark 01
3D Mark 03
3D Mark 05
SPi 1M
SPi 8M
and SPi 32M is running as I write this.

Most benches peak load temps are in the 54-58C range, but the killer Cinebench multi-CPU rendering gets nuts at 65-67C peak...that's the only one that gets anywhere near that temp and remember my mobo has no load droop, so unmodded boards shouldn't get quite as high.

Since I am testing stability and not going for scores, I won't post any yet (3Ds look like they will be nicer than my 670 and I am not running CF right now), but I have to take care of some things and come back to this. If I can contain myself, I will do some air benches for scores when I get back to it, but I may just have to slap the phase on go really go to work

[Randyman...]

Subscribed. I, too, was hoping for higher OC w/o an increase in Vcore, but hopefully a XP-120 will keep it nice and cool even at 1.45v Vcore and around 250FSB...

[dylskee]

Hmmm, not to bash the chip or anything but these results are mediocre at best, i know it's on a stock heatsink but these don't seem to be any better than the 8xx series. I got 4.2GHz right off the bat with my dual core on air with 1.4V. I guess I'll wait to see some more results with a decent heatsink on air. Good luck with phase though, i bet it will fly then!! Thanks for the quick posts Ross, nice to have people like yourself testing new technology and report results ASAP.

[Ross]

I was a little concerned about how the lower end procs would clock too...up til this point, we've seen nothing but the big dogs. I am waiting to see how batboy's 940 does because it's a higher TDP than the 920/930 and that *generally* means it will do a little better.

So far on stock air, I am not too impressed either, but there's nothing impressive about stock air itself I could just have a poor OCer too. If it doesn't hit 5GHz on phase, it will be up for sale and I'll grab a 661 as soon as they are released I am going to mess around with this setup for just a bit longer and then switch cooling...

[xTrEmEoVrClOcKr]

I predicted 4.3-4.5ghz on air w/ a 930 w/ a XP120, my predictions seem pretty close. Im totally with Ross, 661 will clock like nuts.

[Randyman...]

Time will tell (Hopefully mid next week)... As long as I get above 250FSB with the stock 16x multi (4GHz) and sub-60*C Temps, I'll keep it. Otherwise, I might also goto a Cedar Mill (porbably a 651).

Quick Q - Does the P5WD2-Premium allow 14x OR 15x multi, or just 14x (and "Stock")? I'm still VERY curious what BIOS will ship in it (Praying for 0606; fingers crossed )

[metloaf]

very nice results Ross especially on air!

[batboy]

Hope Intel didn't aggressively speed bin these new Preslers, but this early in the production run, it's quite possible.

I got a notice my 940 was shipped late in the afternoon. Since I went with cheap shipping and live in the middle of nowhere, I'll be lucky to get it by Tueday. But, I did get my new Swifty MCW6000 water block today.

Randy, the P5WD2 will run 14X or the default multiplier on most of the 5XX and 6XX processors. However, it's my understanding that these new 9XX CPUs don't have speedstep for this first release.

[Alchemy1]

Nice results ross. I can't wait to see what batboy turns up. I am looking either 940 or 661 using the water setup in my sig So, batboy's setup will be more comparable for me.

[dylskee]

How much $$ are the 661's going to be? Will they also run on the 955 chipset motherboards?

[batboy]

Originally Posted by dylskee

How much $$ are the 661's going to be? Will they also run on the 955 chipset motherboards?

Cedar Mill should be a bit cheaper, I would think, since they are 65nm single core vs. Presler's dual core. Yes, they will run in most i955 mobos with a BIOS update. For example, Abit already has released their BIOS update for the AW8 to support Presler and Cedar Mill.

[DanIdentity]

Current Intel Processor Pricing, Including Cedar Mill and Presler

[Ross]

661's will be about $400 and change...comparable to the 940 in price and yes, the 955 will run them no problem.

Alchemy1, yeah, I was going to get a 940 too, but when the 930 popped up first, I jumped on it. I have a feeling his 940 will do much better than the 930.

batboy, I have a feeling that may very well be the case here. I tried as high as I dared for a quick check on Vc (1.46V) and the second I upped from 4GHz->4.2GHz it would immediately crash...it did that at everything from 1.29Vc->1.46Vc...talk about a wall. Maybe it was the stock cooler, but we will know shortly. I tried it VT enabled/disabled and it made no difference whatsoever in the max OC.

I just put the phase on and am trying to let it settle in a little bit. Odd thing #1: I was expecting cooler temps than my 670 at idle given how cool the 930 ran on the stock cooler. Only problem is, it's stuck about 10C warmer (-16C) than the 670 and won't go lower even dropping the Vc to 1.18V. I don't know if there's something different about negative temp die readings on the 2 cores, if I somehow don't have a good seat on the evap (can't imagine) or if SpeedFan is just reading weird for some reason...seemed pretty accurate on the air cooler/positive temps though.

Anyway, I am going to shut it down for a little bit, let it warm up and recheck the evap to make sure it's flat on the proc...I really don't think that's it though, but whether it reads colder after that or not, I'll start OCing on phase and see what happens...

[batboy]

Good luck sorting out the Chilly. Take your time and do it right. There will be lots of people hitting that refresh button for this thread tonight.

Trouble is, if Intel is aggressively speed binning, they might be cherry picking the very best cores for the 950 and 955, so the 940 might not do that much better either. Now as production ramps up and yields improve there won't be as much difference if that's true.

[dylskee]

Originally Posted by DanIdentity

Current Intel Processor Pricing, Including Cedar Mill and Presler

Thanks for the link DanIdentity. I didn't think the single core 661 would be that expensive. I hope these are going to be worth the $$, it would seem the dual core would be the better value at this point.? Well, i guess my first purchase is going to be a water cooling setup then I'll be broke again so it won't matter which cpu is better because I'll be buying one from the classifieds.

Hope you get the bugs worked out Ross, can't wait to see what you get on phase!!

[RangerXLT8]

Ross, looking good so far IMO. Can't wait to see what you get on the phase..... Does the 4mb cache make a difference?

I'm gonna be running my 920 under a Zalman 9550. Def. hoping it'll be able to do 3.6ghz without much vcore. 3.6ghz DC and 4mb cache has got to preform, regardless if it's not 4ghz.

[batboy]

Ranger, if Ross got about 4 gig using a stock heatsink, then I would think you could do close to that with your Zalman cooler.

[Ross]

Yeah, I definitely think 4GHz on an upgraded air cooler won't be a problem, but I also think anything over 4GHz is going to be luck of the draw. Unless I just have a bum proc or am totally missing something here, the wind has definitely left my sails

I have NOT R&R'd the evap yet (still only -16C) because I've been messing with other stuff, but 300FSB (4.5GHz) & 1.43Vc on phase and the wall is back up and 30 feet high. 295/1.43Vc loads Windows, but just fell out of an 01 bench I don't know if I dare 1.45Vc+ to try to scale it.

OK, this time I am really going to turn it off for a while and remount the evap...will keep you all posted.

This is my first 2 core, so if you other experienced 8xx/9xx OCers have any thoughts, we are all ears....

[dylskee]

Damn that sucks Ross! I would think on phase you would have hit 5GHz easy. Shouldn't be that much different from what your use to overclocking, don't really know why your stuck @4.5GHz.? I would try re-seating the chilly.