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Overclocking a Q9550 to 3.4 Ghz

Last response: in CPUs
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February 24, 2013 4:21:12 PM

Hi guys, I've been desperately trying to overclock this cpu to 3.4 ghz so I can get some extra juice out of it for when I order my new HD 7870 XT GPU. From what I've read it should easily OC to 3.4 Ghz on air, although I can't get it past 3.12 Ghz, without stability issues ( not even getting to logon screen without an error like "Corrupt boot manager" (something like that) or a bsod, I think it's something to do with my RAM settings because I change the FSB and voltages to reasonable values such as 1.3 v which is modest for this cpu i think, since cpu-z says it's at 1.28v at stock I also change the memory setting to 800Mhz and also the FSB to 1600 (Because my bios is weird and you have to put in the rated bus speed) and nothing, it crashes. What I'm asking guys is since I'm new to overclocking can you see anything I'm doing wrong? or maybe you know what I need to do to change my ram or cpu settings.

Specs

Operating System
Microsoft Windows Vista Home Premium 64-bit SP2
CPU
Intel Core 2 Quad Q9550 @ 3.12GHz
Yorkfield 45nm Technology
RAM
4.00 GB Dual-Channel PC2-6400 DDR2 @ 440MHz (6-7-7-31) ( <--- Weird?)
Motherboard
ASUSTeK Computer INC. P5N-D (Socket 775)
Graphics
SAMSUNG (1920x1080@60Hz)
NVIDIA GeForce GT 630
Hard Drives
466GB SAMSUNG HD502HJ SCSI Disk Device (ATA)
Optical Drives
TSSTcorp CDDVDW SH-S223F SCSI CdRom Device
Audio
NVIDIA High Definition Audio

More about : overclocking q9550 ghz

February 26, 2013 3:42:05 PM

Solved! I figured out that I had to disable literally everything in the cpu settings

Then set voltages to:

vcore - 1.175
ht - 1.32
NB-1.46

And my temps aren't exceeding 60 degrees
!