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E2140, GA-G41M-ES2L, and the elusive 1:1 ratio

spleenharvester

spleenharvester

spleenharvester

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Joined
4 Dec 2008
Posts
1,812
Have got both these parts set up and running with some PNY 2x1GB stuff and a Basiq 350W, want to OC it. Trouble is, the lowest fsb:dram ratio in the BIOS is 1:2.66, so I can only get to 2.4GHz before the RAM tops out.

Is there any way round this? Haven't had any experience with an Intel chip since my old 360J.

Cheers
 
Any chance of upping the cpu multi and not the cpu fsb? this way you can lower the fsb and up the multi to achieve the same results and it won't be pushing the ram so hard...
 
LinktoInsanity said:
Maybe try a more powerful PSU as well? Might be overloading the current one on one rail or something simular?
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Nope, 's not that, it's because the RAM hits a clockspeed limit. If there was a 1:1 ratio it wouldn't.

Monkeynut said:
Any BIOS updates availiable for your board?
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Latest from when I last checked, ver F9.
EniGmA1981 said:
Any chance of upping the cpu multi and not the cpu fsb? this way you can lower the fsb and up the multi to achieve the same results and it won't be pushing the ram so hard...
Click to expand...

Unfortunately not, 'tis already topped out.
 
Shame - that's the problem I'm having with my mobo... CPU multi is only 9, so any overclocking requires higher FSB which my RAM doesn't really enjoy lol
 
Guys, I remember seeing an analysis somewhere back when the C2D chips first came out that showed that higher memory clocks did absolutely NOTHING to improve a C2D's performance - its front-side bus just gets clogged. So you can keep your FSB and your RAM's clockspeed on a 3:2 ratio or even on auto without any fear of losing out on performance whatsoever.
 
manveruppd said:
Guys, I remember seeing an analysis somewhere back when the C2D chips first came out that showed that higher memory clocks did absolutely NOTHING to improve a C2D's performance - its front-side bus just gets clogged. So you can keep your FSB and your RAM's clockspeed on a 3:2 ratio or even on auto without any fear of losing out on performance whatsoever.
Click to expand...

It's not the RAM we want to overclock, it's because the lowest ratio we can get is 1:2.66 or something like that, it gets to 2.74GHz in my case and the RAM tops out because the multi goes no lower. This chip can do stock at 1.025v as I've now discovered too, real shame since I bet it'd be a golden one for overclocking.
 
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Ah, I see what you mean, sorry. I've got a set of Ballistix (horrible chips, 2 of the 4 were dead on arrival, but they do clock well!), so I've honestly never even needed to notice what FSB:DRAM ratio I had it on... Got it as far as 3.2, and I'm reasonably sure it was the CPU that kept me from getting it further.
 
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