yes, you're right....because that PSU was once used with a far less powerful card....4 years ago... the card was updated twice last year, plus on a maximum overclock.
i wont even touch it again until the PSU is replaced..... the shop quoted 50 quid for a new PSU, which is about right....Win XP needs a fresh install, it's totally ruined as is Fallout 3/ Steam.... the PC has crashed so many times that quite a few files are missing.
i'm surprised it's still working, tonight i was very lucky indeed....that mobo is one tough *******