Expresscard is a hardware interface usually found in portable computers. It allows the user to extend the limited connections of a portable computer.

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USB 3.0 ExpressCard only works with devices already plugged in

Okay so this is a very odd problem. I just bought an Asmedia ASM1042 based USB 3.0 ExpressCard for my Lenovo ThinkPad T420 running Ubuntu 14.04. When the computer is powered on with nothing connected ...
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Ubuntu 15.04 system freeze while removing USB 3.0 device from Express card

I have the following Express card which provides USB 3.0 host controller. 05:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02) The express card works fine ...
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How to use PCI ExpressCard(USB3.0)

I use Ubuntu14.04 64bit on laptop. now I need to use USB3.0 port. and I bought PCI ExpressCard(USB3.0) this is the express Card and I tried to connect it. it was recognized as follows. but,by lsusb, ...
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The mobile broadband (express card Sierra wireless aircard 890) is no longer able to connect 3G network, after installing new U 14.04 LTS,

When I ran Ubuntu 13.10 and previous version, I can use Mobile broadband/ express card (the Sierra wireless aircard 890) to access internet via 3G. After installing new 14.04 LTS, the thing has gone. ...