q6600 g0 owners - what is your min. stable vcore @ 9x333?

[graysky]

Topic says it all. I'm only interested in your vcore @ 9x333 if you own a g0 Q6600 and you minimized the vcore and if it's stable to 2x orthos or prime95 v25.3 for over say 4 hours. It would also be cool to see your VID as reported in coretemp. So I guess I'd like to see two things:

1) Your minimized vcore @ 9x333 (g0 q6600)
2) A screenshot of Coretemp under load to see your VID and temps

Thanks in advance!

 

[Blain]

Check with This Guy about OCing a Q6600.

You should have your own Q6600 forum.

 

[Kougar]

Oh wow that's a bloody huge post, and I thought I could get lengthy... Nice job!

I got lucky with my Q6600 is all I'll say, will answer a few of your other Questions I found.

Batch # L723A795
Pack Date 7/27/07
Stock VID 1.200v

One other user on XS has the same batch # and same 1.2v VID. Ironic that you just made this thread; I just installed this chip less than a day ago and have been running tests on it since.

It will do 9 x 333 FSB at stock 1.20 vCore. I do have it under water however. I am not yet sure it would be fully stable on air without a nudge higher vcore. 3.3Ghz required 1.25vCore but was stable for a bit over two hours before I lost patience and OCed higher to find the upper limits. Using a P35-DQ6. The Speedfan vCore value is correct according to Easytune5 numbers due to a slight vdroop.


http://i111.photobucket.com/al...r64/DQ6/Quadat3Ghz.jpg

 

[jjmIII]

333 @ Default 1.2375V 'GO stepping'

 

[treker]

333 @ 1.25V VID is 1.2625V. GO Stepping.

 

[graysky]

@kougar: I am amazed by those temps and that vcore. My B3 needs 1.2625V to do 9x333 and have it be stable.
@jjmIII: when you said you're running 333 I'm assuming that's 9x333? Also, did you manually set the 1.2375V in your BIOS or is it set to auto? Finally , what kind of temps does it put out under load @ those settings and what is your cooling setup?

Thanks!

 

[Kougar]

I was a bit surprised myself! I won't sidetrack your thread with full info, but suffice to say it appears low VID chips don't handle high volts at all, but they handle low volts extremely well. It doesn't like anything above 1.4v, but it will run 3.5Ghz @ 1.30v just fine though. Completely strange! If it survives a few more hours I will try 3.6Ghz @ 1.3v. (3.6Ghz @ 1.35v was stable) I am very curious to find some other low 1.2VID chip OC results and see if this is a pattern or just a odd characteristic of my sample.

Edit: 12 hour stable link. EasyTune5 does also show the 1.2 VID as well http://i111.photobucket.com/al...6/12hour3GhzQuadOC.jpg

 

[jjmIII]

@jjmIII: when you said you're running 333 I'm assuming that's 9x333? Also, did you manually set the 1.2375V in your BIOS or is it set to auto? Finally , what kind of temps does it put out under load @ those settings and what is your cooling setup?

Yes, 9x333 @ 1.2375 default.
I loaded it 100% with dual Orthos.
I'm on the OEM HSF......and it's gettin hot in here!!
Core Temp 0.95 reads 69, 65, 65, 69C at full load.

Weird thing is I get huge vdroop.....1.144V according to cpu-z 1.40.5.
Should I be worried about this?? It ran 2 hours like that before I shut it off (no errors)?!

EDIT: I'm running an Antec Earthwatts 430w Power Supply in case anyone is curious. I only have a 6600 in the pci-e slot, 1 hdd, and 2 optical drives.

 

[graysky]

91 mV is your vdroop... on my P5B-Del my vdroop was about 48 mV idle-to-load. Can you do a pencil mod on your board to correct it?

 

[Kougar]

Don't use CPUZ to check your voltages, it's half the time not even in the same ballpark. Speedfan or your own motherboard utility will give a more accurate number. If you want a good example, just compare the voltages between CPUZ and Speedfan in my screenshot above or in my sig.

 

[graysky]

Actually the new beta of CPU-Z has that fixed.

download it here

 

[BonzaiDuck]

Everest Ultimate seems to give core temperature readings that are close or identical to Core Temp, except that Core 0 seems high. I suspect this is because EU's expansive monitoring has a much higher CPU overhead.

I'd trust the real-time voltage readings on EU as much as anything else, though.

Here's another thought. I'm hoping that I don't get howled out of this thread because I have a B3 stepping.

I've attempted to measure idle and load power-consumption between a 9x333 and 9x352 over-clock setting. I have to go back and re-run my programs on the lower setting, but for the faster speed, I get 296W idle and 414W load. Keep in mind that the absolute values of these measurements -- taken from my APC UPS-monitoring software -- depend on other equipment (i.e., four hard disks in RAID5 running off a hardware PCI-E controller). But the difference between the idle and load settings is definitely due mostly to processor activity.

It would be interesting to see similar measurements taken off the G0 stepping, since the voltages are noticeably lower. For instance, to get a 9x333 speed, I have to set my VCORE to 3.1875V, such that the load voltage is bouncing around somewhere between 1.28 and 1.29V.

 

[bluxa]

9x333 @ 1.3125 G0
VID 1.3250

 

[ChronoReverse]

I don't have a screenshot for it, but I can do 9x333 at 1.275 BIOS 1.264 Actual (stock voltage) all day. Gets warmer than 60 degrees though with Small FFTs so I don't use it 24/7

 

[njdevilsfan87]

My Q6600 VID: 1.2375V

I set it 334x9 - 1.1750V set in bios - cpuz reads 1.136V under load. Done on a P35-DQ6. This no cpuz bug, as Easy Tune 5 actually read 1.15V under load the entire time, but since everyone is going by cpuz, I used that.

And to show the stability

I ran two instances of Orthos, one was set affinity to Cores 0&1, and the other to 2&3 - so the CPU usage was at 100%. I did this because I let this run overnight while I was asleep, so if I got an error I would hear some beeping and would wake up - but nothing ever showed up

Also, 1.12V under load with 1.625V set in the bios failed P95 x4 small ftt in 18 minutes, so I bumped up the vcore in the bios 2 notches and received stable (could maybe even try going down one notch to see results, but I don't really feel like it)

 

[graysky]

nice chip dude... what was room temp in your screenshot?

 

[njdevilsfan87]

About 26C - there's a few things I could do to make the to make the temperatures lower, but I 'll have to take the computer apart in a few days and I'll worry about it then.