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Overclocking Intel's Core 2 Quad Q6600

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wuyanxu 14th September 2007, 12:55 Quote
i have by q6600 G0 batch A sitting on top of my shinny new Antec p182 case. and i was also hoping for that exact kind of overclock. 400x8 :(

have you tryed with other motherboard? i think it may be the 680i's fault
Icemanoc 14th September 2007, 13:28 Quote
Unfortunately until this PC I was always using AMD. So I have no motherboards around that can use this CPU. and I'll be damned if I'm spending more money to buy a motherboard to check if my own board isn't working properly.

oh well looks like I'm not the only one stumped :(
wuyanxu 14th September 2007, 13:56 Quote
i'll let you know what sort overclock i can get with my q6600 G0 batch A with a intel P35 chipset, hopefully before end of next week
ComputerKing 17th September 2007, 12:36 Quote
DAM! This means to me I must get Q6600 And throw my E6600 on the Junk! It's Fast! Love it.. I love overclocking, lol Just not up the FSB! But also the Volts! I made a crazy Overclocking Test first time I bought my PC! In fact when I got my XTX I unhook the stock cooler and installed that Zalman VGA water cooling and test it. Zalman Sux but who cares now, If I will get water cooling Aqua Computers is my choice ;) made in German Gears! Rule!

I love this CPU it's the best in all word meaning! Thanks for this.
Zabba51 23rd September 2007, 01:48 Quote
Hello,
Im new to the overclocking. But ive been trying to figure it out. So far everything i have done fails >< So i was hoping i could get some advice from someone.

For starters ill give you what im running.
EVGA nForce 680i SE SLI Socket 775 Motherboard
Intel Quad Core Kentsfield 2.4Ghz Q6600 CPU
OCZ 850w GameXStream Power Supply
(2)PNY GeForce XLR8 8800 GTS 640MB PCIe w/Dual DVI
(4)Patriot 2048MB PC6400 DDR2 800MHz

I had tried simple things like clockin it to 2.6 ghz which is a small small increase but i couldnt even do that right. If someone wouldnt mind helping me or point me in the direction of a good way to learn how to do this i would be appreciative.
GuitarBizarre 23rd September 2007, 01:54 Quote
Post your temps please?

You more than likely need to get some kind of improved cooling. You can OC the duos on stock cooling, but they produce way less heat than quads. Spend some bones on a better heatsink then try again.
Tsen 23rd September 2007, 13:05 Quote
Yeah, you'll need better than stock to overclock one. Mine runs hotter idling with stock than it does under load with a $25 cooler.
That said, my overclock is standing at:
3.0 Ghz (333 x9)
Idle: 47, 42, 44, 43 (The first core handles a lot of background processes, so it's a bit warmer.)
Load: 63, 59, 58, 60 (Never gone a hair above 64, even under Prime95 or after four or five hour Oblivion and Bioshock sessions)
Don't remember what the voltage is exactly, but it's a touch below 1.3 volts.
Cooled by a Freezer 7 Pro.
Bindibadgi 23rd September 2007, 13:11 Quote
P30+ BIOS?

Voltages, temps and frequency settings.

You've got 8GB of memory!! WTF for?? That's what's probably holding you back - the super high density sticks.
Zabba51 23rd September 2007, 14:44 Quote
Quote:
Originally Posted by Zabba51
Hello,
Im new to the overclocking. But ive been trying to figure it out. So far everything i have done fails >< So i was hoping i could get some advice from someone.

For starters ill give you what im running.
EVGA nForce 680i SE SLI Socket 775 Motherboard
Intel Quad Core Kentsfield 2.4Ghz Q6600 CPU
OCZ 850w GameXStream Power Supply
(2)PNY GeForce XLR8 8800 GTS 640MB PCIe w/Dual DVI
(4)Patriot 1024MB PC6400 DDR2 800MHz (didnt meen to put 2048)
Running a liquid cooling system, not a stock cpu fan.

I had tried simple things like clockin it to 2.6 ghz which is a small small increase but i couldnt even do that right. If someone wouldnt mind helping me or point me in the direction of a good way to learn how to do this i would be appreciative.

Really what im looking for is a guide or website that will teach you how to overclock. As i said before i am very lost when it comes to all this and would like to know where to sart with this. I followed some information a friend gave me when he overclocked his system since were running the same mobo and processor. But it didnt work on mine.

(Sorry if im wasting your time, jus tryin to get information from people that have done this before since there isnt anyone at the base im workin on who has done this.)
wuyanxu 23rd September 2007, 17:33 Quote
hehe, Q6600 G0 steppings are superb.

currently running mine at 388x8 =3.1Ghz (1.395 Vcore set in BIOS) with all 4 cores at 40c when surfing the internet, and goes up to a maximum of 65c when doing the prime95 torture test for 1 hour. what else can i ask for?

i tryed 400x8, can boot into Vista and run torture test, but failed after 40mins. i am scared to go above 1.4 Vcore with a pretty, but not very efficient Zalman 9500.
Zabba51 23rd September 2007, 23:32 Quote
ok i got it confiugured.

CPU runnin at 3.0, multiplyer x9
fos mem clock unlinked
mem ddr at 800

cpu core 1.16250v
cpu fsb 1:4
memory 2.50 v
nforce spp 1.45v
nforce mcp 1.50v
spp-mcp 1.40

It starts up and goes thorugh all the checks. But when it hits the windows screen the system restarts. Any suggestions?
Tsen 24th September 2007, 05:22 Quote
You might need to increase the voltage to the CPU, 1.16 is pretty low for a 3.0 ghz overclock. Try upping it to 1.25 or 1.3ish and see if that helps.
And I'm assuming Windows starts normally when the processor isn't OC'd?
Zabba51 24th September 2007, 08:12 Quote
Yes windows starts perfectly fine when the processor isnt over clocked.
Zabba51 24th September 2007, 08:18 Quote
I was reading online that this board wont overclock with the quad core processor. I dont know if this is true, if anyone has heard anyhting on that i am interested to hear about it.
DougEdey 24th September 2007, 10:01 Quote
Are you running the latest BIOS?
wuyanxu 24th September 2007, 11:01 Quote
you need about 1.28 on the Vcore to get to 3Ghz with a low FSB. i'd personally recommend a higher FSB for Q6600 since its inter-core communications are done on it, so a higher FSB should mean better performance overall
impar 24th September 2007, 12:22 Quote
Greetings!

My G0 is working stably at 9*333 with 1.2375v in BIOS (~1.2v real).

Thinking to aim at 8*400, 1:1 with the RAM.
zmatovic 25th September 2007, 13:06 Quote
Dear Forum users,
I am a professor of bioinorganic chemistry. As a part of research my group is involved in computer chemistry (quantum mechanics and molecular dynamics). So far we worked on single workstation equiped with intel P4 3.0GHz. Through the time our demands were getting bigger, and today we purchased two identical machines to make a small cluster for parallel computing:
"MB: GIGABYTE GA-P35-DS3P
CPU: Intel Core2Quad Q6600 2.4Ghz
RAM: 4 x 1GB DDR2 Transcend PC800
Optics: Pioneer 112D
HDD: 160GB WD SATA2 8mb
Video: Asus EN6200TC 256mb
Power: Chieftec 550w
Case: Chieftec CH-03P-A-OP"

I wish to kindly ask you for opinion about overclocking the system: May I implement the same values as stated in the article or its a better to use default overclocking (5 values inside C.I.A.2. option for this mother board)?; Is it safe for cpu, mb and memories if I overclocked up to no more than 3.GHz?; What would You suggest for our system which we intent to use as a small cluster build up of these two machines.
Sorry for such a long story.

Thanks to all of you willing to help.
Zoran

web-site: http://www.pmf.kg.ac.yu/~zmatovic/index.htm
wuyanxu 25th September 2007, 17:21 Quote
well, professor, i would suggest go into the BIOS and raise the FSB value to 334. see if you can boot into operating system and run "Prime95" to check if it's table.

as long as you don't let the CPU temperature go above 71c (that's for G0 stepping though, not sure about B3 steppings, use "CPU-Z" to check stepping) you should be okay and don't need to worry about its safety.

i don't know much about cluster computing, so sorry that i cannot comment on the optimum settings for those kinds of operation. surely you could consult the Computing departments of the university on those.
zmatovic 25th September 2007, 18:24 Quote
Many thanks for suggestions WUYANXY.

as long as you don't let the CPU temperature go above 71c (that's for G0 stepping though, not sure about B3 steppings, use "CPU-Z" to check stepping) you should be okay and don't need to worry about its safety.

We purchased C2 quad with a new G0 stepping mode (there is SLACR on the end of the product code) so I hope we'll get better teperature conditions with this model.

i don't know much about cluster computing, so sorry that i cannot comment on the optimum settings for those kinds of operation. surely you could consult the Computing departments of the university on those.


never mind for this issue. i've been informed about clustering with multiprocessors units so hopefully we'll benefit from such system.
thanks again and have a nice day
Shielder 27th September 2007, 12:41 Quote
Hi Professor,

I assume that you are using Linux on the systems. If you are, then use a stripped down version of Linux (Rock linux I think is meant to be a good one) with the minimum of packages (you'll probably want a C and F77/F90 compiler, possibly the Intel compilers if you are using a commercial package that you want to parallelize). You'll also need to get either PVM (Parallel Virtual Machine I think) or OpenMPI (Message Passing Interface) to act as the clustering mechanism.

To use either of these programs, you will need to compile your software with these programs. You can't just have both pieces of software installed and expect them to work "out of the box". It may be worth getting onto some clustering forums and asking questions. If the software you are thinking of using is not a bespoke application and has a big enough user base, you may find that there is a mailing list that you can join to ask questions.

Hope this helps. If you want to use Windows as the clustering application, just remember, the two computers in the top 500 listing that used Windows Cluster Suite had twice the hardware that the next highest computers used, and they were running a flavour of *nix.

Andy
zmatovic 28th September 2007, 17:53 Quote
Thanks for comments Andy.
Yes we installed scientific linux on our brand new machines. Right now we are in course of preparation of our little BeoWulf cluster (one core 2 duo pc (server) keeping on eye two core 2 quad machines). We mostly use MPI (mpich version) for parallel computing. There was a bit of missunderstanding about software clustering as I didn't actualy ask nothing about it but WUYANXY gave some notes. I was ruther interested about hardware issues when clustering is in question.
Zoran
croatoan 1st October 2007, 13:17 Quote
I too am a bit green at overclocking. Gone from an E6600 which was running at 3Ghz just by upping the FSB to 1333. Foolishly though I could try the same trick with my Q6600 G0.

Having changed by board to an A1 revision, I was having horrendous luck overclocking my G0 also past 2.9.

Now seems quite happy sitting at 3.2Ghz

Will double check the voltages if anyones interested. Have managed to get it running at 3.6 but case cooling is a bit crap so didnt want to risk it as the machines on 24/7.

EVGA 680i A1 Rev : Q6600@3.2Ghz : 4GB Corsair Dominator C4D6400 : 8800GTX not overclocked ( Yet )
wuyanxu 1st October 2007, 22:28 Quote
running mine at 400x8 = 3.2Ghz with 1.385v (could probably drop some, can't be bothered to retest, heat are okay, so i left it as it is)

i upped the voltage to 1.425v and couldn't boot into Windows with 400x9, and i don't want to push any further.

what voltage are you running at?
impar 1st October 2007, 22:36 Quote
Greetings!
Quote:
Originally Posted by wuyanxu
what voltage are you running at?
9*333 at 1,2v (1,2375v selected in BIOS):
http://imageshack.us
http://imageshack.us
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