RE;PM
Listen to me, Read what I am saying.
HIS are complete utter ****.
512mb isn't going to make any difference, at all.
That card doesn't come with a Molex adaptor for additional power, so you could be without a card for sometime untill you track one down.
**** cards = **** performance.
Ask a computer technician, They will think you are completely insane for choosing HIS over Gigabyte. Heck - anything over Gigabyte is worrying.
You asked for help, This is my help.
Goodluck with a problematic Card.