Here's our Hardware Tip for.. August 3, 2001
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Protecting Against Viruses Through Hardware--Part 4 of 4
The high-speed FireWire bus (aka IEEE 1394) offers some PCs the ability to use plug-and-play external hard drives such as LaCie's 18GB portable PocketDrive, available at

http://www.lacie.com

as antivirus backup protection. With such a device, you can save a full disk backup or a disk image to a separate external drive on a daily basis. If you remove the connection between your PC and the external drive, the backup remains safe from a virus attack.