video rider card

ok, so this is the computery bit so i will post it in here.
i went to an autojumble type thing today with madfrog and bought my lad a washbasket full of ****ty toys(he wanted it). when we got home i found a VIDEO RISER CARD for a computer amongst the ****ty toys. i have never seen one before and wondered what the **** it is .any help to enlighten me, someone must know about computers out there


YES I KNOW I PUT RIDER CARD IN THE TITLE BUT I CANT EDIT IT

Yant a clue mate have you tried doing a search on google or whatever. I'll give a pound to a pinch of ****e it's knackered though.

yup, done a google but couldnt understand a word of it mate, like yu say, i bet its ****ed