How do I check if my CardBus slot works?

PC104-Plus dual PC Card slot card cardbus slot DUAL SLOT CARDBUS POWER INTERFACE SWITCHES FOR SERIAL PCMCIA CONTROLLERS SLVS317 − MAY 2001 1 POST OFFICE BOX 655303 •DALLAS, TEXAS 75265 features D Fully ventral slot dog PC Card = Cardbus = PCMCIA != Express Card? Model: Lenovo ThinkPad T400 CPU: Intel Core 2 Duo P8400

mata slot Inspiron B120 cardbus slot For the life of me I cannot install this network adapter into the slot It won't go all the