Infamous_MaYhEm Posted September 23, 2012 Posted September 23, 2012 Well, I stepped into a pile with this one. This being my first intel overclock build, I'm having some issues overclocking. First, the setup: Intel Core i7 920 Bloomfield Gigabyte G1.Guerrilla X58 (LGA 1366) 8GB GSkill Sniper DDR3 1600 (2x4... upgrading to 6GB *3x2*Tri-Channel later) 1x Radeon HD5830 1GB Thermaltake ToughPower TR2 750W PSU Seagate 160GB SATAIII 7200RPM (HDD, not SSD ) InWin Dragonrider Full-Tower Chassis Xigmatek Dark Knight-S1283W CPU Cooler (aftermarket BEAST pwm fan moving 180cfm max, brand unknown ) Right now, I have it stable at 3GHz... but anything higher than that, causes boot failure. I have disabled all the energy efficient goodies from bios, checked, double-checked, and triple checked my ram speed/pcie clock/voltage/etc... tried for 3.2GHz... boot fail. I honestly do not understand... but I guess from what I read on the C0/C1 stepping... is that it is a NIGHTMARE to overclock... Has anyone successfully hit 3.8GHz plus on this i7 920? Oh... and the voltage I left stock for the 3.0GHz OC... because every time I touch voltage... it derps on me... so far it's stable... I'm somewhat happy... but yearn for more. -Shane Owner at Renegade PC Solutions CPU-Z Validation Share this post Link to post Share on other sites More sharing options...
IVIYTH0S Posted September 23, 2012 Posted September 23, 2012 Yessir I have, give this guide a run through to get a familiarization with the Bloomfield overclocking in's and out's, it helped me a bunch: http://www.techreaction.net/2010/09/07/3-step-overclocking-guide-bloomfield-and-gulftown/ See what more you can do with that newly established knowledge, then we'll talk Share this post Link to post Share on other sites More sharing options...
eunoia Posted September 24, 2012 Posted September 24, 2012 Your RAM will run at a multiple of the CPU clock, right now 140 x 12 (2:12) = 1680. Lower that ratio to underclock the memory while overclocking the CPU to take it out of the equation. Share this post Link to post Share on other sites More sharing options...
Infamous_MaYhEm Posted September 24, 2012 Posted September 24, 2012 (edited) Your RAM will run at a multiple of the CPU clock, right now 140 x 12 (2:12) = 1680. Lower that ratio to underclock the memory while overclocking the CPU to take it out of the equation. Thanks. I knew that much. I figured it out. This baby needed a LOT more juice (voltage) than I thought it would. Running stable at 3.8GHz (1.5V). Passed Intel Burn test with flying colors going no higher than 90°C. I might try for a higher speed later for s&g's, but it's moving pretty slick right now as it is. Edited September 24, 2012 by Infamous_MaYhEm Share this post Link to post Share on other sites More sharing options...
Jenova69 Posted September 24, 2012 Posted September 24, 2012 It's probably a good idea to get better cooling or turn down that oc because running that chip that hot all the time will surely cause it to degrade faster. Share this post Link to post Share on other sites More sharing options...
d6bmg Posted September 25, 2012 Posted September 25, 2012 Mac temprature is too high. If you wish to use the chip for some time, don't go beyond 80C or max 85C. Share this post Link to post Share on other sites More sharing options...
IVIYTH0S Posted September 25, 2012 Posted September 25, 2012 Did you bump thw QPI/DRAM voltage some?? Share this post Link to post Share on other sites More sharing options...
Infamous_MaYhEm Posted September 25, 2012 Posted September 25, 2012 Qpi voltage was bumped up. After trial and error, this 920 does not like the 200 bclock... Haven't tried more than that, but it runs fine on 199 bclock. I need to get a better Ram set for overclocking. Share this post Link to post Share on other sites More sharing options...
Boinker Posted September 30, 2012 Posted September 30, 2012 To get the 200 or better base clock you may need to go down to the 19 multiplier. the 19 is usually the most stable if not its 21. Typically both of mine ran well at 21 but would not run a multi of 20. Being a CO-C1 stepping I7 920 you will likely need to get more cooling so you can put some more voltage to the chip. The Co's sometimes just would not overclock without excessive Qpi and Vcore so get some better cooling and get 4.20Ghz down. And also move the Memory chips to the 2gig chips if you can find them. They tended to allow the system to overclock a little easier then the 4gig chips. Share this post Link to post Share on other sites More sharing options...
IVIYTH0S Posted September 30, 2012 Posted September 30, 2012 Don't be afraid of 80's as far as core temps go, these bloomfields are tanks. Did you go through the progress of stablizing 200bclock on a much lower multi to see if it was stable before focusing the CPU? Share this post Link to post Share on other sites More sharing options...
Infamous_MaYhEm Posted January 16, 2014 Posted January 16, 2014 Bringing it back from the dead. Same system, few changes. Changes: 1. Corsair H70 dual fan 2. Agility 3 SSD 3. Radeon 7870 2GB CAN HOLD STABLE AT 4.2GHz with HT disabled! 1.45625vcoe (bios) Right now, shooting for 4.3GHz. Will pass 8/10 burn-in tests before crashing (59 GFlops) Performs MUCH better with HT disabled in benchmarks @4.2. Problem I'm running into at 4.3 is QPI voltage and vcore voltage. It freezes at test 8. Suggestions? Share this post Link to post Share on other sites More sharing options...
Infamous_MaYhEm Posted January 16, 2014 Posted January 16, 2014 Update: QPI/VTT 1.4v Vcore 1.4625v Testing now Share this post Link to post Share on other sites More sharing options...
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