higher fsb strains more on ur mobo than processor... this is a good way of finding ur fsb wall, and yes, high fsb with lower multiplier is better than high multiplier with lower fsb... dats bcos ure making the mobo, and ram run at a higher speed... one of the mobo that has the highest fsb wall is biostar tpower i45.... easily 600fsb, world record is 700fsb

oohh..now my pc running at 350/1400 FSB..my ram are limiting me now, try boot at 400 FSB but it wont post..jelous saw those performance oc board can do high FSB..

not really la..... those 600fsb are kinda hard to get actually if u are talking about running on air 

and p45 is kinda a tough chipset to play around ... tweak until u sienz 

guys i need help oc my rams and cpu can anyone help?
i want to clock my system to max without adding power to ram or cpu.
cause i runing my pc 24-7 - 360 days.
cpu : Intel C2D E8400
ram :G.Skill F2-8000CL5D- 4GBPQ
mobo: Gigabyte P35 DS3 RUNNING F14C firmware (latest firmware)
cpu cooler: thermalright ultra - 120 with 2000rpm CM fan
psu: coolermaster real power pro 650w 80 plus ready
thanks to advance guys !!!!!!!!!!!!!!!!!!
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These are default settings

CPU clock ratio : xx
CPU Host clock control: enable/disable
CPU host frequency: 266-xxx
PCI Express frequency: auto
C.I.A 2 :disable
performance enchance : Turbo
system memory multiplier : auto
memory frequency: 667-xxxx
high speed DRAM DKK setting: Option 1
system voltage control : auto
ddr2 overvoltage control : normal
pci-e overvoltage control : normal
fsb overvoltage control : normal
(G)MCH overvoltage control : normal
cpu overvoltage control : normal
normal cpu vcore: xx

u sure ur ram is limiting u???
coz at 400fsb u can still run ur ram at it native speed of 800mhz.

try pump a bit more vcore and see whether it boot.

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Added on February 18, 2009, 7:35 pmare u running ur proc the e5200 at 350fsb without lowering the multiplier or what???

Help guys????    

Guys, Im using Intel QX6800 @ 3.1ghz with Gelid Silent Spirit cooler and Tuniq TX2.
I tried running stress test just now ( prime95). The Maximum temperature on load i get is 74-75 and idle is 48-55.
Its quite high. I wonder whats the problem, or is it normal for my processor?

QX6800 temp is a bit higher, like my  doing 3.3ghz temp prime95 hovering around 68-70c vcore @ 1.331v, yours is slightly a bit higher than mine.

edit : since I cannot overclock from BIOS, I just overclock using EasyTune5 Pro (come with my GA-G31M-S2L on windows.

I see.., since mine is slightly higher, so is it because of the Cpu cooler? yours is better??
By the way, until what temp can a processor be pushed till? maximum temp ?

I'm using QX6800 3.6ghz 450x8. core temp at 83C while running OCCT. idle at 49C-60C. using CM V8 as cooler.

I'm using QX6800 3.6ghz 450x8. core temp at 83C while running OCCT. idle at 49C-60C. using CM V8 as cooler.

Im using Intel C2Q extreme QX6800 and I heard ppl saying OC to high speed hard and things..My CPU stock is 2.93ghz(266x11). I know nothing about OC so I jz changed my fsb from 266 to 270  and multiplier from 11 to 13 with the asus mobo utility and my clock speed became 3.5Ghz and the process cost me like may be 1 minute? And my multiplier can go up to 30 u know. I couldn't believe OC was this easy and i knew that definately something is wrong rite? So all u sifu here enlighten me?

tq