What are you all talking about? It has been discussed many times before. Most Cardbus cards have a thicker key, that must be shaved off in order to physically fit into a non Cardbus cage. They are NOT physically identical!!! There is a difference! This image is the best I have ever seen that makes it quite clear and obvious. There is no debate, they are different: http://mywebpages.comcast.net/macdan/images/cbornot.jpg This page describes the problems that may ensue when using a Cardbus card in a non Cardbus cage: http://www.wwc.edu/~frohro/Cardbus/Cardbus.html On Mar 3, 2005, at 7:12 PM, Chris Jenkins wrote: > Allow me to explain the situation for some clarification. > Cardbus is simply a faster 32-bit version of PCMCIA. That is ALL. > There are 3 kinds of PC Cards, whether they be 16-bit or 32-bit > (cardbus). Type I and II cards are the standard size and will > physically fit inside any laptop with a PC Card slot. Type III cards > are double the thickness of standard cards and will only fit into > machines with a compatible slot. Machines that have 2 slots are > advertised as having (2)TypeI/TypeII Slots or (1) Type III. If you > insert a 32-bit(cardbus) card into a 16-bit slot it will do no > physical damage whatsoever. It simply will not work. Some cards can > autosense which type of slot they are in to function in either. You > can get a non-cardbus wireless card that will function in older Mac > laptops, but yoou need to make sure it will do so before buying. > > C Jenkins > Multi-Com, Inc.