AMD Phenom II X3 720 BE (or so I thought)
3GB RAM (1gb+2gb) OC to 400mhz
ATI HD4850s in Crossfire
Windows 7 64x Ultimate
My problem is I can't increase the cpu multiplier past 14x I can go down, but not up in both BIOS and AMD Overdrive,
I've tried multiple versions of the bios
Tried Alt F1 in the bios to "unlock" features
Called AMD, they said there is only the 720 as black edition out, never made a non-black edition chip
I'm at a loss here, there has to be something simple I forgot.
More about :phenom 720 black edition multiplier unlocked past 14x
This is my Phenom 720 @ 3.6ghz with unlocked 4th core on a GIGABYTE GA-MA790XT-UD4P with the F4G bios. Bios screen should look more or less the same since they're practically identical motherboards (sans DDR3 RAM).
EDIT: Assuming bios and everything is correct, last resort is to open up the computer and check the stepping code on the CPU. Should be CACZC or AACZC if the core is in fact a Phenom 720 x3.
Would it be wise to try the UD4P bios? Or might that just force me to spend 5 minutes flashing the bios and crossing my fingers?
Anyway I took some screenshots and got one of the bios with my mobile, everything says the chip is a 720, cpu-z, windows, the bios, I tried to look at the cpu last night but I was waisted (vaguely remember it being a AACZC) and don't want to do that again while the fiancée is sleeping.
After looking over the specs of your motherboard, I noticed it's running the older 600 southbridge. I've never owned a SB600 motherboard so I can't comment. A quick google search came back with people over clocking with the CPU FSB but almost no information on using multipliers. Hopefully someone with a SB600 can chime in?
its not the southbridge i have one and a 720 overclocked bios and amd overdrive work
an older version 2.15 might work better DO YOU HAVE THE MULTIPLYER SETTING TO AUTO
IT ONLY WORKS IN SOFTWARE IF SET TO AUTO IN THE BIOS
Maybe the CPU you bought is NOT a BE but the shop you got it from just stuck it in the BE box, so you thought you got a BE when you didn't, i think its clear( if you upgraded the BIOS) the the cpu you got is NOT a BE
There were non-BE versions of the 720 at launch, iirc. I have a 710 x3 with a locked multiplier, and i can't change it at all, neither up or nor down (computer won't post, reloads bios defaults either way). Confused.
Wow, guess you may really have gotten a non black edition 720. Kinda rare ^_^. I'd still return it and say that I was lead to believe it was a 720 BE when it was not . Anyway you can overclock it by raising the FSB. Just follow the overclocking guide. The GA-MA790X-DS4 motherboard overclocks pretty good. The only issue I have with it is that the south bridge tends to get hot, thanks to that puny heatsink, so make sure it's in the path of ventilation or put a fan on it.
If it was a 720 non-be he would not be able to change any values as far as the CPU multiplier. So that is not the issue here. My question is the Bios, is it the latest? If not make sure you flash to the latest and check the Bios again. Make sure it's on manual and not on AUTO. On the screenshot you posted it shows that it's on AUTO. Change all values to manual and then set the accordingly.