Overclocking Asus P5Q-SE Plus with Xeon X5472 CPU

Hey Brian, I was wondering if you could help me out with overclocking my processor on this motherboard as it wont let me lower my DRAM Frequency down from 800 to 667Mhz to allow further FSB overclocking. Ive managed to get it to 3.28ghz from 3 by adjusting DRAM timings/settings/voltages and Raising voltage on the P45 chipset near the max at 1.4v and boosting FSB but now i cant attain that overclock again even when slowly building up to it. My build specifications are:
Asus P5Q-SE Plus
8gb ddr2 800mhz OCZ titanium (cl4 at 2.2V on E.P.P settings that i cant auto to since im not on nvidia NB)
600W Corsair CX600 Bronze
Radeon Hd 6950 2Gb modded to 6970 2Gb
320Gb Seagate HDD
Xeon X5472
Cooler master Hyper T4 cooler
I think i need help with overclocking my NB so i can hold up the 3.28ghz overclock.
P.S this is not my main build, its for experimenting and learning so if it bricks, it bricks not to big a deal

Comments

  • Sir_iceeiceSir_iceeice Posts: 142
    Does the north bridge have a fan on it?
    Motherboard : ASRock Z77 Extreme 4 (8 + 4 Power Phase Design)
    CPU: Intel i5-3570k at 4.7GHz  1.32v
    CPU Cooler: DEEPCOOL Gamer Storm CAPTAIN 240
    Ram: V-Color OC Series 16GB (4x4GB) 2133Mhz 10-11-11-30-1T at 1.550v
    Storage:  ADATA Premier SP550 2.5" 480GB and 2Tb 3.5" Seagate
    Graphic Card: GIGABYTE GeForce GTX 960 4GB G1 GAMING OC EDITION
    Power Supply: EVGA SuperNOVA 550 GS
    Mouse: MSI Interceptor
    Keyboard: Corsair K70 Vengeance Mechanical Gaming Keyboard, Cherry MX Red
    Monitors : 3x AOC 22" 1080p, 1x Dell 1080p Monitor

  • No it doesnt, but in Aida64 trial i was below 30C, makes me think its catching the air flow from my tower cooler. I managed to figure out why i couldn't achieve the clocks I wanted. I wasn't disabling spread spectrum on both cpu and pcie, then i learnt a little bit about performance levels for ram as well as cpu clock skew and NB clock skew and now i got my 3 GHz xeon x5472 up to 3.43 stable
  • Sir_iceeiceSir_iceeice Posts: 142
    edited October 20
    What is your CPU cooler, voltage on  your CPU, and what you FSB I had a x5460 @ 3.16 hit 3.8Ghz (400 FSB) stable I could not go further b/c the FSB was the limiting factor.
    Motherboard : ASRock Z77 Extreme 4 (8 + 4 Power Phase Design)
    CPU: Intel i5-3570k at 4.7GHz  1.32v
    CPU Cooler: DEEPCOOL Gamer Storm CAPTAIN 240
    Ram: V-Color OC Series 16GB (4x4GB) 2133Mhz 10-11-11-30-1T at 1.550v
    Storage:  ADATA Premier SP550 2.5" 480GB and 2Tb 3.5" Seagate
    Graphic Card: GIGABYTE GeForce GTX 960 4GB G1 GAMING OC EDITION
    Power Supply: EVGA SuperNOVA 550 GS
    Mouse: MSI Interceptor
    Keyboard: Corsair K70 Vengeance Mechanical Gaming Keyboard, Cherry MX Red
    Monitors : 3x AOC 22" 1080p, 1x Dell 1080p Monitor

  • well the x5472 has a FSB of 400 stock and 7.5 multiplier, mines also C0 not E0 stepping, and after a lot of experimenting, my voltage under load at 3.38GHz (when i go above my memory controller gets unstable ive noticed and ram demanding games crash) is 1.16V and the peak voltage ive seen is like 1.19V. At this clock my FSB is 450 and i have a coolermaster hyper T4 cooler, a step down from the 212 evo i think. my temps are a little finiky because msi afterburner and the Aida64 trial both told me different temps with a difference of 12C between the two telling me 60C for aida and 72C for afterburner. Ive also noticed my NB getting really hot so im investing in a little fan for its heatsink
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