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Help with AMD overclocking (955 BE)

Forum Overclocking : General Discussions - Help with AMD overclocking (955 BE)

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yannifb   08-05-2009 at 09:21:12 AM

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


Message edited by yannifb on 08-05-2009 at 11:26:45 PM
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evongugg   08-05-2009 at 02:43:55 PM

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.

------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
evongugg   08-05-2009 at 02:46:47 PM

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


Message edited by evongugg on 08-05-2009 at 03:02:52 PM
------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
evongugg   08-05-2009 at 02:50:27 PM

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

Message quoted 1 times
------------------------------ Google is your friend and Bob's your uncle
 Reply to evongugg
yannifb   08-05-2009 at 09:42:45 PM

evongugg wrote :

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

Reply to yannifb
yannifb   08-07-2009 at 01:54:03 AM

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

Reply to yannifb
TerminatorXT   08-16-2009 at 10:04:46 AM

safe yourself alot of trouble and do this

leave the multiplier for now

raise the fsb from 200x16 to 220x16

------------------------------ Asus Striker II Extreme (Ultra 790i Chipset) | Q6600 @ 3.1GHZ | 4GB DDR3-1425 | GTX 295 | 1TB WDB Hard Drive, +1.2TB | 1000 Watt Power Supply | Corsair H50 CPU Liquid Cooling | Antec 1200 Gamer Case | Logitech G15 | Razer Mamba | P20348 3DMarkVantage
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