Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!njin!princeton!phoenix!pucc!BVAUGHAN From: BVAUGHAN@pucc.Princeton.EDU (Barbara Vaughan) Newsgroups: comp.sys.ibm.pc Subject: Re: 386 PCs and FCC Class A and Class B certification. Message-ID: <8371@pucc.Princeton.EDU> Date: 17 May 89 15:57:19 GMT References: <6930@bunny.GTE.COM> <5160@tekgvs.LABS.TEK.COM> Reply-To: BVAUGHAN@pucc.Princeton.EDU Distribution: usa Organization: Princeton University, NJ Lines: 19 Disclaimer: Author bears full responsibility for contents of this article In article <5160@tekgvs.LABS.TEK.COM>, toma@tekgvs.LABS.TEK.COM (Tom Almy) writes: >In article <6930@bunny.GTE.COM> js07@GTE.COM (Jack Shaio) writes: >>A recent issue of PC Magazine tested 100 386 PCs from many manufacturers. >>A good proportion, around 30%, have only FCC Class A certification, meaning >>they can cause enough RF (radio frequency) interference to damage >>reception of TV and AM radio signals. > >Don't worry about it! Unless you put your TV right next to your computer >you'll never notice it. I get more interference from adjacient televisions >than from my (class A) computer. My Compaq Portable III is upstairs; my TV is downstairs. Whenever I turn on the computer, the TV picture becomes noticeably "grainier". I don't remember whether it's Class A or B, and I suppose Princeton, NJ might be called a fringe area (about 50 miles from both NY and Philadelphia transmitters), but we normally have no reception problems. Barbara Vaughan