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Q6700 OC'd to 3.3GHz what should my strapping be? - Page 2

post #11 of 17
Thread Starter 
> I'm testing (333 * 10) with Bios voltage set at 1.28125 (1.248 in Cpuz) and it's running great right now.


Same as mine almost.... the bios is set to 1.2875VC with vdroop of 1.248VC @ 333 x 10

> What is the safe temp at load for Q6700?

The specs mention 71C is the max.

http://processorfinder.intel.com/det...px?sSpec=SLACQ
Edited by JohnnyV - 7/20/08 at 7:19pm
    
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post #12 of 17
Thread Starter 
Quote:
Originally Posted by x2s3w4 View Post
Is it a G0 or a B3? G0 is 71°c, B3 is 62°c.

You guys are getting FSB strap confused. The boot strap refers to the clock cycle that Intel gives the Northbridge. The different straps are 200, 266, 333, and 400. They can be very confusing and depending on which strap you're you may be able to push your OC higher. Here's an article on DDR3 that explains boot straps.
Thanks...I Think!...now I'm more confused than ever with strapping.

So here's my specs via CoreTemp...what should the strapping be set to?:

Rated FSB: 1333MHz
Dram Frequency: 500MHz
FSB : DRAM- 2:3

Thanks,

John
    
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post #13 of 17
Quote:
Originally Posted by JohnnyV View Post
Thanks...I Think!...now I'm more confused than ever with strapping.
@ 333FSB you should stick with the 266(1066QDR) strap... Keeping it simple here: as you increase the strap 200 -> 266 -> 333 -> 400 NB latencies are consequently loosened which (negatively) impacts performance. Basically you want to make sure you're stable when running FSB significantly beyond the selected strap, the only way to overcome the added "stress"/instability due to running FSB much higher than the selected strap is by increasing vNB.

Since we have similar builds look at my settings:

Q6700 @ 333FSB x10 -> 266 strap -> vNB 1.24 (My 24/7 settings; vCORE @ 1.25)
Q6700 @ 400FSB x10 -> 266 strap -> vNB 1.30
Q6700 @ 450FSB x9 -> 266 strap -> vNB 1.34

I stayed on the 266 strap from 333FSB all the way up to 450FSB; However every time I went up I needed to increase vNB to remain stable.
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post #14 of 17
Thread Starter 
Many Thanks MasterKromm for the excellent info. I understand a little bit better now.

So the strapping is based on 1066QDR divided by 4 cores. Is strapping fixed more or less for a chip?

I noticed you are at the same OC as myself: Q6700 @ 3.33Ghz. Any reason you are not running faster? My reason for staying at 3.33Ghz was it was fairly easy to get there with low voltage and temps.

Thanks again!

John
    
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post #15 of 17
Quote:
Originally Posted by JohnnyV View Post
Many Thanks MasterKromm for the excellent info. I understand a little bit better now.

So the strapping is based on 1066QDR divided by 4 cores. Is strapping fixed more or less for a chip?
No not exactly... I think I may have confused you by throwing in the (1066QDR). QDR = Quad data rate(aka quad pumped). Say you have set your FSB @ 266 in the bios = the rated FSB 1066mhz (266 x4); they're interchangeable that's why I put it in parenthesis sorry for the confusion there. Intel's rated frontside bus has been quad pumped since the first willamette core p4s and it does not relate to the number of cores you have on a given CPU...

4 bits of data transfered @ 266mhz => 1 bit of data transfered @ 1066mhz => hence quad pumped

Quote:
I noticed you are at the same OC as myself: Q6700 @ 3.33Ghz. Any reason you are not running faster? My reason for staying at 3.33Ghz was it was fairly easy to get there with low voltage and temps.

Thanks again!

John
I'm completely stable @ 1.25 vCORE and 333FSB x10. I'm also completely stable @ 1.37 vCORE and 370FSB x10; But I keep the Q6700 clocked at 3.33ghz since it runs on less voltage and the jump from 3.33ghz -> 3.7ghz only provides noticeable results in synthetic tests.
Edited by MasterKromm - 7/21/08 at 12:47pm
Calculon Ω
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post #16 of 17
I have little knowledge and am using limited bios settings to achieve around 3.33 ghz. No voltage change on my part. Linked Ram setting, FSB at 1375. Anyone, willing to give me some pointers. I am fearless and am aircooled. What to do. Seem stable currently with high Systin temp.

I would love to meet someone with skill in this area willing to help.
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post #17 of 17
Thread Starter 
Have you stressed tested your setup or just going by my settings?
    
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