Finally got this Q6600 @ 3.5 stable

cje

cje

cje

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After a good hard slog, my Q6600 is now finally stable at 1556 fsb x9. Batch no: L807A413, 1.3VID.

But, it needs a hell of a lot of voltage. I guess the new chips aren't good clockers.

Striker II Extreme
Corsair pc3-1066 (1333mhz) 1gb x 4
Zalman 1000watt

These are the settings I'm currently using in BIOS:

Vcore : 1.4875 (1.55 Actual)
PLL : 1.54 (1.57 Actual)
VTT : 1.38 (1.41 Actual)
RAM : 1.68 (1.72 Actual)
NB : 1.44 (1.49 Actual)
SB : 1.55 (1.55 Actual)
Loadline Calibration : Enabled (With it disabled I get errors after 10 minutes in prime).

Ram left unlinked at 1333, fsb 1556. I ran it all last night and was stable small FFTs all night, I ran Blend this morning and was stable from 8am this morning until 6pm this afternoon.

Temps at load did not exceed 63 degrees. Any suggestions?




EDIT - I know not everyone likes ASUS monitoring software, but it does give me an accurate idea of what the board's bios is reading.
 
Nice one, i'm at 3.43 with 1.44375v in BIOS. Tried 3.5 but didn't get stable when i set my vCore to 1.4750 i think.
Are you on water or air as your temp really good as well?

What's the actual mean?
 
I'm on air. Arctic silver 5, Noctua NH-U12P heatsink, 2x Noctua fans in PUSH/PULL configuration. In an Antec 1200 case.

Actual is what they actually are. The Vcore in BIOS is currently set at 1.4875, but in Windows it reports it as 1.57 using cpu-z and everest. The Striker II extreme seems to overvolt the voltages a lot. It also reports vcore as 1.57 when viewing the voltages in BIOS as well. However, using speedfan and the older version of cpu-z they both report 1.48 vcore, which it should be really.

Anyway, what I know is that the volts can't go any lower or BSODS and errors will appear. This is the lowest I can go.
 
I've been playing around witht he multiplier to see if that would make a difference - doesn't seem to.

Got OCCT running at the same time to force SpeedStep to runn at 100%. It has run Prime overhight as well.

Temps go to the high 50's after an hour of stress. Though that does depend a bit on what you set the TjMax at. There are a few threads here with links to Intel documents showing the Q6xxx (G0) should be set to 90, not 95 or 100. Still, the low 60's is still fine.

As you can see, the Giga EP-Extreme undervolts (vdrop & vdroop) against what is set in the BIOS (see Easytune and CPU-Z).

Not sure what to do with it next really :confused:

overclockif4.jpg
 
@cje, how do you get asus pc probe2 to display nb voltage, i have it running here and all i see is +3.3v, +12v +5v cpu vcore and fan speeds and cpu and mb temps, basically the default settings i assume, ive never really used pc probe much before.
 
setter said:
@cje, how do you get asus pc probe2 to display nb voltage, i have it running here and all i see is +3.3v, +12v +5v cpu vcore and fan speeds and cpu and mb temps, basically the default settings i assume, ive never really used pc probe much before.
Click to expand...

Click on config > voltage tab> then the little green arrow to see the next page. It should be there somewhere.

@Alex. I can't really help you mate as I'm fairly new to this lark. But, if it's a new Q6600, then maybe you need more Vcore. Note, that I'm running it a little over max safe voltage (1.57). Max safe is regarded as 1.55 for this chip I think.

My friend told me that it is still possible to fry a chip at that voltage, even with low temps, but I don't care. It's a useless clocker, and if it dies in 2 years, I'll just buy some i7 gear. :D:D

Also, I don't recommend using software for tuning your BIOS. I tried with ASUS AIGear3 and all I got was BSOD, even by trying to reach just 3Ghz. best to change values in BIOS directly.
 
cje said:
@Alex. I can't really help you mate as I'm fairly new to this lark. But, if it's a new Q6600, then maybe you need more Vcore. Note, that I'm running it a little over max safe voltage (1.57). Max safe is regarded as 1.55 for this chip I think.

My friend told me that it is still possible to fry a chip at that voltage, even with low temps, but I don't care. It's a useless clocker, and if it dies in 2 years, I'll just buy some i7 gear. :D:D

Also, I don't recommend using software for tuning your BIOS. I tried with ASUS AIGear3 and all I got was BSOD, even by trying to reach just 3Ghz. best to change values in BIOS directly.
Click to expand...
Cheers. I think you're right I could push the vcore up a bit if I want to take it further. I was really just looking to see if a lower multipplier had any effect. I keep reading that the higher the fsb the better. It doesn't seem to have made any difference at all. 3dM6 benches are slightly down... Not that they are representative and all that.

I was showing Easytune software as an easy way of illustrating all the voltages in one screenshot. Although I have tried it and it seems to work, I prefer to use the BIOS.
 
My overclock has run stable for around 13 hours Prime95 Small FFTs and 10 hours of blend over this past week.

I've never had any problems with it all week. But, I put Vista in sleep earlier this evening, and what do you know it BSOD on resume. Does this mean my overclock is unstable? Or is vista just being a tw*t?

Current settings:
Vcore : 1.45
Loadline Calibration : Enabled
PLL: 1.52
VTT : 1.42
DDR : 1.7
NB : 1.56 (I know this is high but it is unstable in 3d games at any lower voltage)

Any ideas? I could try raising NB again, but it is quite high as it is as 3d games hate it being any lower.
 
I personally don't want to exceed 1.55, but that may be enough for your chip. Every chip varies in how much vcore it needs. Keep an eye an your temps. I wouldn't want to exceed 70 degrees, but some people would say that is too high. it depends what you are comfortable with.
 
I'm runnning 1.635v Vcore bios which is 1.6v in cpu-z at idle. Under load it drops to 1.53v so i'm gonna have to do the vdrop and vdroop mods to my motherboard.
 
I just can't get this. I've got a 12 hour stable prime95 smallFFTs and Blend with a ram overclcok, and all is fine. Had it on for 2 days and not a single crash, however if I put Vista into sleep mode, it will sometimes crash on resume. Anyone know what this could be due to?
 
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