Which external media card is available on HP Compaq 510/511/610 notebooks?

A.
ExpressCard/34

B.
ExpressCard/54

C.
CardBus PC Card

D.
Zoomed Video PC Card

Explanation:
http://h18004.www1.hp.com/products/quickspecs/13304_div/13304_div.pdf(page 6,
expansion card slots)