Over clocking madness help!

I just bought a MSI790FX along with a Phenom 9500,4gigs of G.skill @1066.My gpu is a lowly Hd2900pro.All this is running on Vista64.so far the only thing that I have been able to oc is the cpu,getting it up to a very sexy 2.9g from 2.2.I am havin no luck with all the oc tools for my gpu.I've tried riva,ati tools,ati tool tray.I think Windows Vista64 is the culprit.Your help is very much appriciated.Here is my 3DMark06 score http://service.futuremark.com/home [...] 0B50F4E608

I thought the Pros were XT's that could be moddified to become Xt's again, wouldnt that make them strong overclockers.

2.9 on a phenom! He's a witch!

I know it's dead obvious but have you unlocked your gpu with CCC and tried clocking it that way?

Good job on the Phenom o/c :>!!

Righto dead simple. ight click on desktop should see Catalyst Control Center enter that. Now if it's the first time opening it you may need to set the view to advanced so you see all the available options.

The one you want is 'ATI Overdrive' you'll need to click on the picture of the 'padlock' below the name of your GPU. Then all the buttons below should light up. Quickest way to o/c is to press the Auto-Tune, keep an eye coz sometimes it can lock up the system and just enter the GPU clock or mem clock when before it failed then to a gfx bench ie 3DMark a few times to strain it.

Or you can manually increment the clocks by moving the sliders up and down. Then 'Test Custom Clocks' and accept if it passes.

Just found this in a review of the card from X-bit labs.
Like its forebear, the ATI Radeon HD 2900 Pro is equipped with two power connectors: a standard 6-pin PCI Express and an 8-pin PCI Express 2.0. You can insert a 6-pin plug into the latter connector, though. The official overclocking tool available in the Catalyst driver is disabled for the card, but you can overclock it using third-party utilities. The GPU working at a reduced frequency, we can expect the card to have a lower power draw – we’ll check it out in the next section.
Mactronix

The problem was with the power.I recieved my 6 pin to 8 pin adapter -and was able to oc the card using ccc.I am very greatfull for everyone's help,thank you