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Zando Bob

General X58 Xeon/i7 discussion

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4 hours ago, leodiavata said:

I tried the guide. Nothing above 200 bclk seemed to work well. Also it suggested having the ram voltage 0.5v more than qpi. I tried that and forgot about it. Because I usually don't mess with ram. That have me tons of instability. So I brought it back to 1.66. My ram might be limiting my overclock. 2 kits of 6 gb Corsair Dominator Platinum. But one is rated for 2000 mhz and 8-8-8-24 and the other one 1600mhz and 7-7-7-20.I brought the timings to 8-7-7-20 and it works fine. But they do not seem to like anything above 1600. Do not have any spare modules to test with them. 

I think that's a misprint, I think the idea is to keep QPI and RAM voltages no more than 0.5V apart, which seems huge.


I run 6x4GB 1600 MHz ram at 9-9-9-24 and I've been able to OC it up to 2000, which netted me instability without any benefit in synthetics let alone gaming. I don't think the RAM is limiting your overclock-- your board and chip just might not be able to go higher than what you've got.

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Yeah, deals can be had on x58 for sure. Also keep an eye out for people selling their boards with RAM - I've picked up my x58a-oc with 6x4 GBs and a W3680 for 170€ and sold RAM and CPU for 140 (could have gotten more, but some of the RAM went to a friend; could have used the CPU but it was an absolute terrible overclocker). My Rampage II Extreme (a golden one - does at least 269 MHz BCLK if I push it) was 100€, but I managed to sell my old MSI x58 Pro-E for 100 as well, so it was basically a free upgrade. Now that I have both I can't decide which one to keep - the x58a-oc is impractical for a daily but looks amazing, the Rampage II is more practical but really ugly and gets a fair bit hotter. Really no idea...

Xeon e5649@4.4 GHz on Asus Rampage II Extreme or Gigabyte x58a-OC (whatever I feel like to set up at a time) , 6x4 GB Kingston HyperX 1600, Gainward GTX 670 Phantom, Samsung 840 Evo 240 GB, BeQuiet L8 530W

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