PCI Express technology backgrounder @ Hexus

PCI Express isn’t just about increased bandwidth. It also offers better power management, including native hot-plug support. And, although the physical interface is not backwards compatible, the driver architecture is. So PCI products can rapidly be moved over to PCI Express with little rewriting of software needed to make them work.

The articles primarily targetted to people who do video editing on the computer, but it’s a great article, and explains a lot about the PCI-E technology. Check it out at Hexus.