Q6600 @ choose which batch (list)?

[demiurge]

L732B204 VID 1.2375
L737B720(or maybe 730) VID 1.2250
L738A869 VID 1.3000

The L737 is by far the best of the three, only problem is cores 0,1 are 7-10C hotter than cores 2,3 always. I have crappy cooling (freezer 7 pro) and crappy MB (ip35-e with huge vdroop, 1.4050v bios, 1.288v under load??!) and temp is stopping me from clocking high, was priming at 400x9 for an hour when temp hit 78 and I chickened out. Will get the xigmatek and test more.

The L738 was a lot cooler though, had it 24 hours prime stable at 385x9, 1.5v bios, 1.4v under load and was under 70C the whole time.

[jonny_ftm]

where is this table? looks like a pin mod table to change VID. just need to find out where those VID pins are located.

Ohh, please, don't say such non sense things. The rumors can hurry up...

That's just a table explaining how the VID is coded in a CPU so hat it can be reported to Bios and programs like coretemp. Changing the VID table 8if it was possible) won't change the CPU performance. That table is just an information to bios to set its default lowest voltage for a given CPU

[demiurge]

thanks for clearing that up, i had no idea and it just look similar....
of course changing it will change nothing about your cpu, but volt mods are useful for el-cheapo ECS boards. in fact i remember doing exactly that to my e4300 so it boots at 1.4v

Ohh, please, don't say such non sense things. The rumors can hurry up...

That's just a table explaining how the VID is coded in a CPU so hat it can be reported to Bios and programs like coretemp. Changing the VID table 8if it was possible) won't change the CPU performance. That table is just an information to bios to set its default lowest voltage for a given CPU

[Kyo`]

Does the lower the vid the better the OC rule still up?

Well, it's not always the case. However if I get my hands on a chip with low VID and a nice batch, it's a really good chance it'll be a great one

[Jor3lBR]

I have that exact batch and VID is 1.2000V. It goes all the way to 3.6Ghz with ease. Haven't tested anything above that as I don't have watercooling so the 4 cores are up to 70s and I had to stop. That was based on 9x400 with just 1.3V juice.

Humm I like that. Mine is a 4ghz batch I run 450x9 but I want a chip that does that with less then 1.50v-1.52. So I'm in the same boat as Kyo'

[Jor3lBR]

I have that exact batch and VID is 1.2000V. It goes all the way to 3.6Ghz with ease. Haven't tested anything above that as I don't have watercooling so the 4 cores are up to 70s and I had to stop. That was based on 9x400 with just 1.3V juice.

Thats good news Jc, well no doubt this can go to 9*450 then. 1.2000vid is the lowest...

And 9*4000 11.3v is a heck of low volts also!

Thanks for you input.

[Kyo`]

OK, I ordered a L737B393, the guy tested it and give me screens from CoreTemp 0.95.4. The VID is 1.0875 so it looks fishy, but my m8 checked his Q6600 with the same CoreTemp version and it showed his VID properly so dunno
Anyways I'm getting it on this friday or next monday, I'll post some results then.

[theYipster]

When VID is that low it means Speedstep is enabled. This can cause the VID reading to fluctuate. I guarantee that it won't actually be that low in reality. However, the 737B should be a good chip indeed. Let us know how it performs!

[Jor3lBR]

The vids should go in this range: 1.20v - 1.3250

Anything lower then that is because Core are not in full load or using power saving options.

I also got a new Q6600 and I started to play with it. My last one (L739A466) had a 1.2875v VID.

The new Q6600 Batch #L745A793 has a 1.2125v VID and the first thing I noticed is the low volts the mobo posted for stock speeds, only 1.20vcore against 1.31v from last cpu.

It's only using 1.26v-1.28v to run stable at 3600Mhz (400*9) and I'm finding way easier to find the sweep spot then the high Vid version:

[Kyo`]

Yes you are right, still all the other tested models had a detected VID of 1.1625. And what about SpeedStep and frequency? On the shot CoreTemp still showed 2400mhz.

[Kyo`]

So what about VID and speedstep? I asked my m8 with a Q6600 and ASUS Maximus to enable it and set frequences and voltages in bios on defaults, still even the old CoreTemp does not change VID.

[mngdew]

If not the speedstep, I did noticed VID change on my QX9650 after Vdroop pencil mod on P5E. It went from 1.0350V to 1.1250V.

[Kyo`]

OK, I got the CPU yesterday and build the new rig today. The VID of the CPU is 1.2125 I'm running 3600MHz at the moment with 1.35V, but that still needs stability tests and perhaps I'll be able to push it higher. I'll post some stable results tomorrow or later this night.

[Mick64]

This is a bit off topic, but I'm trying find some sort of relationship between VID and core temperatures. Has anyone had a number of Q6600's with various VID's that can post core temperatures in relation to VID? The reason I'm asking is because my Q6600 runs stable at 3.76GHz, 1.53 vcore, 8x470 but my temps are very high even with a generous watercooling loop!