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800MHz RAM question

Post Date: 2008-08-07
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Bigdog View Drop Down
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Posts: 450 		  Quote Bigdog Quote  Post ReplyReply bullet Topic: 800MHz RAM question
    Posted: 07 Aug 2008 at 4:56pm
How high can you overclock a Q6600 with Ram that is 800MHz or do you really need to go 1066?
Processor: QX6850 (3.3Ghz)
RAM: 4GB 1066 Dominators
Graphics: 2x 8800GTX 768MB
Sound Card: Fatal1ty
HDD 1: 2x 150GB raptor (RAID 0)
HDD 2: 1x 150GB raptor
HDD 3: 320GB western
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DST4ME View Drop Down
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Posts: 36758 		  Quote DST4ME Quote  Post ReplyReply bullet Posted: 07 Aug 2008 at 5:24pm
with the right 800MHz ramyou can easily achieve 1066 to match the speed of your q6600's FSB

Edited by DST4ME - 07 Aug 2008 at 5:25pm

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GD420 View Drop Down
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Posts: 21 		  Quote GD420 Quote  Post ReplyReply bullet Posted: 07 Aug 2008 at 6:29pm

The RAM matching the FSB helps with performance does it?

The Laptop I'm getting has 800MHz RAM with a P8600 with 1066 FSB too. Though I don't know anything about overclocking so I probably won't bother with that.
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skyR View Drop Down
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Posts: 2220 		  Quote skyR Quote  Post ReplyReply bullet Posted: 07 Aug 2008 at 6:40pm
ddr2 is duo pumped (x2) therefore the actual bus speed of pc6400 (advertised as 800mhz) is 400mhz (800 / 2).

intel cpus are quad pumped (x4) so the actual bus speed on a q6600 is 266.5 (1066 / 4)

The q6600 has a 9x multiplier. So 266.5 x 9 is 2.4ghz which is it's stock speed.

If you're wanting to overclock the q6600 with 800mhz ram and maintain a 1:1 ratio. This is what you would get.

400 x 9 = 3.6ghz
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