Hello, The ExpressCard interface interface in newer notebooks is actually a combination of both a one lane PCI Express and a USB 2.0 connectors in a different form-factor, designed to work better with notebooks.
Some ExpressCard devices just have pins for USB 2.0, and use only those pins on the USB interface. I would imagine the CardBus adapter which was recommended is actually just a CardBus to USB adapter, except it has a slot that mates with an ExpressCard in it instead of a USB connector. The PCMCIA Association originally managed the ExpressCard specification but dissolved itself and turned over ownership to the USB Implementers Forum. There is still a lot of good information on both web sites, though: http://www.expresscard.org/ http://www.usb.org/developers/expresscard Regards, Aryeh Goretsky At 10:00 AM 9/22/2010, you wrote:
Message: 1 Date: Wed, 22 Sep 2010 11:31:01 +0700 From: "Jeffrey Race" <[email protected]> Subject: [Thinkpad] "ExpressCard adaptor" -- T43 To: "Thinkpad Users Group" <[email protected]> Message-ID: <[email protected]> Content-Type: text/plain; charset="iso-8859-1" Can someone help me with this? I have just purchased a Sierra 875 AirCard for GPRS and 3G connectivity while travelling. I just plugged it in and it worked in Bangkok at 2424 kbps at no cost, for some reason. In good user fashion I then read the manual, which warns "If your computer has a PC Card slot, a PC Card to ExpressCard adaptor [sic-those Canadians will do it every time] is required." I never heard of such a thing and it seems to function unexpectedly well in every respect (esp. since it cost $25 on ebay). What is it, what am I missing, and why does it mechanically interface the Thinkpad even without said accessory? Jeffrey Race PS any hints about user experience most welcome. I earlier bought an 860 card which would not install on the T43 but it installs fine on an Acer!
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