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Only just got a new rig today and have been playing around with OC. Before I start let me give you the specs. GA-X48-DS5 M/B Bios F8C Processor E5400 (800Mhz) Ram OCZ 2G10664GK (not the greatest but good enough). I have managed to get the CPu to clock around 4Ghz and am quite happy with that but I can't seem to get the FSB much past 300 with a succesful POST. Even dropping the multi right down to 7 or 8 (from 13.5) doesn't give meany joy. I have done all the usual with increasing the voltage on mch by 0.2. Dram voltage by 0.3 Vcore up to 1.45V Tried all flavours of boot straps from A B C D as low as 2:00. Do you guys think it might be the RAM? I was running this RAM in a 965P board at 375 without too much trouble but didn't have control over the bootstrap as I do with this board. Any help greatlt appreciated. Ta. Mac. edit: added BIOS report. Last edited by machasm; 08-04-2009 at 09:50 AM. Reason: added BIOS report |
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Try a little more CPU Termination and CPU PLL, maybe that will help.
I don't think it's the RAM itself, because it's only running at 600 and it's rated for 1066, so it shouldn't be a problem. At that speed the timings on Auto should be fine as well.
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Please use Google and the forum search, it's usually the fastest way to get a solution for your problem! Overclocking basics (work in progress) Your PC doesn't boot or crashes? Temperature FAQ DDR2 800 vs DDR2 1000 vs DDR2 1200, a comparison Please list all your hardware specs (including PSU and coolers!) in your signature so people trying to help always know what you're running! E7200 @3.8 - Asus P5Q-E - 2x2GB OCZ Platinum 1066 - ATI HD3870 - OCZ Vertex 60GB SSD :) - Corsair HX 520W - D-tek Fuzion V2 - Watercool Mo-Ra 2 - Aquastream XT Ultra Other mainboards: EP45 UD3P - EP45 DS3L - X38 DQ6 |
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Thanks for your response Nickel020,
I must confess to my ignorance here, which settings within the BIOS translate to CPU termination and CPU PLL (Phase Locked Loop)? As a further note I ran a fan on the NB and have managed to run at 330 X 11 on 2.00D then at 340 X 11 on 2.00B and now at 350 X 11 on 2.00A. I have water cooling on the CPU and holds a temp around 55 to 60 running orthos. Any further advice greatly appreciated. Thanks. |
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Looks like this is quite commonplace with the E5x00 series CPUs.
In fact an FSB of 350 seems to be quite good for these chips. Should have picked up a E7x00 chip. Oh well, you live and learn. |
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There is some info in this article that may help you decide.
My bulid won't post above 418FSB, I don't know if it is the CPU or the P43 chopset/board and how it compare to X48, and I have not tested it for stability at 418FSB.
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GA-EP43-UD3L Rev#: 1.0 - F5 Intel Core 2 Duo E7200 (M0/SLAPC/VID 1.063) 2.53GHz @ 400x9.5 3.8GHz 1.264v 79c full load stable Scythe Mugen 2 @ 2680rpm 93CFM Corsair PC2-6400 TWIN2X2048-6400C4 @ DDR-800 4-4-4-12 tRD 7 Sapphire Radeon HD 4770 512MB GDDR5 FSP Blue Storm II 500, 500W Compucase 6C60 Dell 2408WFP @ 1920x1200
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