Help with AMD overclocking (955 BE)

[yannifb]

Now that my new cooler has finally been installed (corsair h50) i want to try to overclock my 955 BE. Here are my full system specs:
AMD Phenom II x4 955 BE
OCZ gold amd DDR3 1600 ram currently at 1333 with 1:3.3:3 ratio or something close to that (8 gigs-4sticks)
MSI 790FX GD70 Mobo
Nvidia Geforce GTX 295
Corsair 750tx 750W psu, single rail
WD Caviar Black 1 tb
Creative Sound Blaster X-fi extreme gamer

First i want to mention a problem i had before: When i went into bios to change the multiplier from 16-16.5 (thats only 3.2ghz to 3.3!!) i couldnt boot the system, my monitor just said DVI no signal. So i had to remove 3 of my ram sticks in order to see the screen and boot up again. Why would the system do that? And how can i overclock without this happening?

PS: my target OC is 3.8 ghz

 

[evongugg]

Those timings 1:3.3:3 are wrong. They should be:

8-8-8-24

Voltage should be 1.65v.

You may have to supply some extra voltage to the CPU to overclock.

 

[evongugg]

Run CPU-Z and check the SPD tab for the timings according to the speed you want to run your memory at.

 

[evongugg]

You may have to increase your memory voltage, increase Northbridge voltage one notch and relax timings with that amount of memory.

 

[yannifb]

You may have to increase your memory voltage, increase Northbridge voltage one notch and relax timings with that amount of memory.

the 1:3.3:3 was not the timings, sorry. That was the ratio it says in BIOS when i set the ram to 1333. The timings according to cpu z are 8, 9, 9, 20, 33. And the FSB to DRAM ratio is 3:10

 

[yannifb]

bump...

 

[yannifb]

bump, i need to know if im good to oc b/c i dont want to wait to long

 

[TerminatorXT]

safe yourself alot of trouble and do this

leave the multiplier for now

raise the fsb from 200x16 to 220x16