On 2 Jun 01 at 0:00, Demetri wrote: >>I note that some monitor cords have devices incorporated, presumedly to >>protect against some type of interference. Questions: Harm if not use such a >>cord on monitor that came with this type cord? Improve performance on >>monitor that came with cord lacking such a device? >> >>Demetri Kolokotronis These are ferrite inductors (chokes) used to suppress Radio Frequency Interference (RFI) for compliance with US FCC RFI emission limits by preventing the monitor cable from becoming a "broadcast antenna" for the RFI. There are circuits in most/all power supplies that work to prevent the power cord from doing the same thing. HTH. Regards, Dale Mentzer I'm just working here till a good fast-food job opens up. This mail written by a user of Arachne, the DOS Internet Client WWWWW World Wide Web Without Windows http://home.arachne.cz Arachne DOS Browser Home Page The NOSPIN Group Promotions is now offering Mandrake Linux or Red Hat Linux CD sets along with our NOSPIN Power Linux CD... at a great price!!! http://freepctech.com/goodies/promotions.shtml