Tom's Hardware > Forum > Overclocking > General Discussions > ? regarding low VID q6600 and OC
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deadlift1   06-28-2008 at 07:38:22 AM

I've got a q6600 with vid 1.2125. The highest stable oc I have achieved is 3.4 at 1.35vcore +.2nb and +.2fsb with idle temps in the low 30's and high 40's-low 50's running prime95. I have had it up to 3.5 but it took 1.6vcore and idle temps were 58-60. From everything I have read this doesn't seem right. I know increases in speed require exponential increases in vcore and I know every chip is different but it seems like I should be able to push this chip a bit higher. My systems is:

q6600 go
ga p35 ds3l
4gb corsair dominator pc6400
Zalman 9700
Antec 900

I'm certainly not disappointed with 3.4ghz but I am curious, if there is a valid reason, why it won't go higher.

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Lupiron   06-28-2008 at 07:46:44 AM
- 0 +

How about you establish if your board has a large VDrop and droop first?

Put the thing at stock, disable speedstep, and manually set the VCore to 1.2125 and re start.

When you hit windows, look in CPUz and watch for your Idle voltage. Make note of the highest it flickers, and then run prime 95 small ffts on all 4 cores, then list what CPUz says your VCore is while running prime for at least a minute. List the lowest value it flickers to.

Your chip by itself will need around 1.3250 volts while loaded to get 3.6.

Just be sure that damn speed step is off!

--Lupi

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night_wolf_in   06-28-2008 at 07:50:31 AM
- 0 +

kinda agree with the above.

although if u managed to get 3.4Ghz. ill be happy. if u really wanna to pull its leg to the extream. then do it when you ready to buy ur next cpu. burn that chip with whatever.

after all. 3.6Ghz is like the pretty high for Q6600 and not many pple running it at that speed.

------------------------------ Q6600 @ 3Ghz | zalman 9700NT cooler | gigabyte P35-DS3L | Kingstone DDR2 667 2GB x 2 | HIS 4850HD with Accelero S1 Rev.2 | enermax Liberty 500w | Coolermaster C5 case |
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Lupiron   06-28-2008 at 07:54:05 AM
- 0 +

BTW, if you have a 1.2125, its the second lowest VID for that series, only beat by 1.2000, and I have one! My 1.2500 gets 3.8 right at intel spec 1.5000. So it's not the chip!!

Hey there, Wolf!

--Lupi

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Shadowthor   06-28-2008 at 09:38:12 AM
- 0 +

@Lupiron You have 1.2 or 1.2125?


Message edited by Shadowthor on 06-28-2008 at 09:38:30 AM
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Lupiron   06-28-2008 at 09:59:17 AM
- 0 +

I have a 1.2000 VID, gets 3.6 at 1.312 volts, loaded. The next one up is his, 1.2125, they go up in .0125's.

--Lupi

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night_wolf_in   06-28-2008 at 10:26:58 AM
- 0 +

mine is 1.3125

btw, intel spec is 1.5volt?

------------------------------ Q6600 @ 3Ghz | zalman 9700NT cooler | gigabyte P35-DS3L | Kingstone DDR2 667 2GB x 2 | HIS 4850HD with Accelero S1 Rev.2 | enermax Liberty 500w | Coolermaster C5 case |
 Reply to night_wolf_in
Lupiron   06-28-2008 at 10:41:42 AM
- 0 +

Yup, the max rated voltage is .95-1.500 volts to remain within intel spec for the q6600 series.

--lupi

Reply to Lupiron
night_wolf_in   06-28-2008 at 11:14:49 AM
- 0 +

cools. wish i got one of these low VID ones. :( but as i said. ill overclock it more when i feel like getting slowed down. :)

------------------------------ Q6600 @ 3Ghz | zalman 9700NT cooler | gigabyte P35-DS3L | Kingstone DDR2 667 2GB x 2 | HIS 4850HD with Accelero S1 Rev.2 | enermax Liberty 500w | Coolermaster C5 case |
 Reply to night_wolf_in
dagger   06-28-2008 at 03:14:01 PM
- 0 +

Bah! Go for 4ghz. I have a 1.312vid q6600, and was able to get prime95 stable at 4ghz, although on a high 1.65vcore. That low vid chip is wasted on you. Shame on you! :na:

Message quoted 1 times
------------------------------ Q6600@3.6ghz, GA-EX38-DS4 motherboard, 8gb 800mhz ddr2 4-3-3-12, 8800GTS(g92)@780mhz, 1TB + 1.5TB hdds, 850watt psu
 Reply to dagger
Lupiron   06-28-2008 at 04:50:02 PM
- 0 +

Yee haw! 1.65!

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night_wolf_in   06-28-2008 at 05:33:14 PM
- 0 +

dagger wrote :

Bah! Go for 4ghz. I have a 1.312vid q6600, and was able to get prime95 stable at 4ghz, although on a high 1.65vcore. That low vid chip is wasted on you. Shame on you! :na:



i had to save up like 3 monthes to get this pc. so u can imagin how scared i am to do any thing to it.

but in time. im gonna do it. ill go as high as possible. just waiting for the right time when i have enough money to burn this chip. :)

------------------------------ Q6600 @ 3Ghz | zalman 9700NT cooler | gigabyte P35-DS3L | Kingstone DDR2 667 2GB x 2 | HIS 4850HD with Accelero S1 Rev.2 | enermax Liberty 500w | Coolermaster C5 case |
 Reply to night_wolf_in
Lupiron   06-28-2008 at 05:34:18 PM
- 0 +

You can do it!

Reply to Lupiron
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