Nope, just push up on the tab and pull out. It's possible that the hard drive was never touched, and after 10 years, it might take some force to get it out.
leosadv,
Specifically which Mac OS are you trying to use this card under, Mac OSX 10.3 or Mac OS 9.2.2? If it's 9.2.2, you could try and see if the card is compatible with the Or…