on 12/08/04 23:55, Mikael Byström at [EMAIL PROTECTED] wrote: > Is it a common experience that the early Powerbook G4s have some low > voltage current on the titanium surface, in some cases? > Some symptoms: When I'm on the phone and touch the titanium I get a earth > hum (or similar) in the phone, indicating I'm becoming a part of the > earth loop current or similar. When my son was touching the computer and > I put my hand on his shoulder I felt a strange sensation in my > fingertips, that I recognized to have felt at times when using my book. > > I think this sensation can only be felt when operating from the wall > outlet and not on battery, but I'm not completely sure. > > I haven't measured it with equipment yet, but I'm going too. I have felt > the same sensations, even more serious, on my friends Powerbook G4 550 ( > I have a 400). > > Is this a known problem with this range of models and are there any known > solutions? I have a "puck", but see no third pin for earth on there, so I > suppose it won't be different using a truly earthed wall outlet. Can I > earth the machine manually somehow or what can I do?
I've had it on all Tis I've owned and still have it on the 1Ghz with the with adapter. I get hum thru the speakers on the 'book at time when using the trackpad. Malcolm -- G-Books is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Check our web site for refurbished PowerBooks | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> G-Books list info: <http://lowendmac.com/lists/g-books.html> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/g-books%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
