User`s manual

Alienware Area-51 m5750 Technical Reference
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11. Firewire / IEEE1394 / 1394a Port
This is a high-speed serial data port. You may connect any Firewire-ready device to this
port.
12. USB2.0 Port (x3)
The Universal Serial Bus (USB2.0-compliant) port allows you to connect a wide variety
of devices to your computer at a rate of up to 480 Mbps. This port conforms to the latest
USB2.0 plug-and-play standards.
13. ExpressCard Slot
The slot is where ExpressCard (Type 54) is inserted. ExpressCard Type 54 allows insertion
of either 54mm or 34mm cards. ExpressCard integrates both the PCI-Express bus
technology and USB2.0 interface.
If your notebook comes with the IR remote control, the ExpressCard Slot is where the
remote control is kept when not in use.