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#2641 (permalink) | |||||||||||||
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I had set it up at 460FSB for 3.22G on my E6550, ran prime 95 36hrs w/o error. memtest86 12 pass without error. Then I found out xp sp2 would not come out of standby. drop to 450FSB and standby worked fine. That was my baseline but I still had the problem. I installed cubase studio4 which this system was built for and a day later I got a call: video locks then sound drops out. It was dropping the firewire sound (MOTU traveller) hardware on boot also. I kicked up pcie volts from +0.1 to +0.2 seemed to work, +0.3 gave a loud pop on boot through the sound system. I stumbled on this by accident thinking the video issue was separate. I still had the problem (see my many other posts about this) then I kicked up the Vcore. I had set bios to 1.35000 to see 1.291 in cpuz under load, 1.31 idle. I wanted to keep temps down. I finally ended up setting bios to 1.37500 and cubase settled down and ran fine. cpuz showed 1.344 Vcore idle and under load, temps were still fine (in the 30s). even with prime 95 full load it only came up to mid 50s same as with the lower Vcore. Setting the Vcore higher seemed to solve this dropped settings problem. I'm very happy with AC freezer7. since this was my 1st OC and I still wanted a long life and cool running PC I made the mistake of running Vcore unreasonably low. (I had read of others getting this on 1.26 and 1.28 Vcore but it WAY DID NOT WORK FOR ME). I hope this helps, I was dissapointed nobody came through with much good advice for my case. see other posts in this thread about smart fan, bios ver., legacy usb, and others probs causing this for others. One guy fixed this with a little looser memory timing. went from 4-4-4-12 to 4-4-4-14 which was grat for him but didn't help me (I was still very glad he tried to help). I have smart fan on and did not have usb, ahci issues or anything. just low Vcore. I AM JUST PISSED THAT STABLE ON PRIME95 CANNOT BE TRUSTED TO MEAN STABLE. CAN ANYONE RECOMMEND A BETTER STRESS/STABILITY TEST?????? THANKS!!!
Last edited by claytona : 05-31-08 at 11:15 AM Reason: I'm still a dummy |
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#2642 (permalink) | |||||||||||||
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#2643 (permalink) | |||||||||||||
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I ran the GSkill PC6400 (NQ) which were rated 1.8-2.0 Volt but I got errors until I raised Vddr to 2.1. GSkill rep said this is fine. As long as you don't go crazy high on the voltage they shouldn't get too hot (I use finger test---be careful!) ![]() I ended up running 900MHz due to 450FSB. If you are running a high FSB you should probably try 1:1 first and work your way up to make sure you're not getting errors in memtest. (set bios divider to 2.0 to get 1:1, it's the lowest setting and auto usually sets it higher which will give a ton of errors if you have a high FSB and make sure performance mode set to standard, otherwise board will jack your memory into never-neverland) I ended up with much tighter than stock timing also which helped my bandwidth a ton. The GSkills have been working great for me and many others. This is just how I got my memory settled down.
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#2644 (permalink) |
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I have this board w/an e8400 and 4gb of Patriot PC2-6400LLK memory. Currently all are running @ stock settings. Right now I'm only using a stock HSF that came of an e6600 since it's thicker and has a copper core unlike the e8400's HSF.
What are the best recommended settings for my memory and the CPU to stable OC without needed a better HSF. I have heard that a lot of people are running their 800Mhz 4-4-4-12 RAM to 1066 speeds (5-5-5-16?) and the e8400 to 3.6Ghz without needing more cooling. Is that right? I'd like to go as safe as possible right now and would appreciate any help on what BIOS settings need to be set. I really love this system and now that all is great stock, it's time to play.
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#2645 (permalink) | |||||||||||||
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E6550 has 7X locked multiplier. You have to hit or exceed 500FSB to get 3.5GHz. I think you memory will be the limiting factor with that cpu. I'd try 500FSB with the 6X mutltiplier and see if your memory is solid at that speed. If so you will probably be good to go but I think you'll have to go A LOT HIGHER THAN 1.3Vcore. FSB will likely need a pretty good V bump at 500 or more I expect.
Last edited by claytona : 05-31-08 at 12:42 PM |
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#2646 (permalink) | |
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To be more specific, I'm torn between either buying this http://www.newegg.com/Product/Produc...82E16820231087 or http://www.newegg.com/Product/Produc...82E16820148076. I would like to get the crucial ballistix, since it's only 19.99 after mail in rebate, but I'm a little skeptic on the 2.2V and whether or not its too much for the board and whether my 500W PSU will handle it with a 8800GT card. Sorry if some things I said are blatantly wrong, first timer here. |
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#2647 (permalink) | |||||||||||||
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this board will set up for 2.4 or more Vddr so it should be fine with any memory voltagewise. I had to overvolt mine a little from stock to get past errors. keep an eye on heat there or add fans. ![]() I've heard that some of these cpus and gpus are picky about PSU, make sure you get EPS 2 standard PSU for the new stuff just to save yourself a headache figuring out why it won't boot.
Last edited by claytona : 05-31-08 at 01:14 PM Reason: CRS |
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New to Overclock.net
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#2649 (permalink) | ||||||||||||
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How did the higher Vcore do on temps? Did it help with cold boot problem?
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#2650 (permalink) | |||||||||||||
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Windows Wrangler
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Join Date: Nov 2007
Location: Eastern PA, USA
Posts: 3,343
Rep: 408
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Trader Rating: 2
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"This model of memory is good to run up to 2.0~2.1v. maximum 2.15v" I run 400FSB 1/1 (2.0) 3.6ghz auto timings I would like to tighten the timings but not sure what to set it to. At the moment I'm trying to figure out 3.8ghz 423mhz ram 1/1 and maybe tighten it up?
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