At 4:56 PM -0400 10/23/2008, Al Poulin wrote: > >And then there is another angle. An old tale (perhaps mythic?) was >that once a hard drive has "worn in" in either the horizontal or >vertical orientation, one should not change its original orientation >to the other. What's up with that?
Not mythic. And still a problem, but perhaps less of one with today's (physically) smaller drives. Each set of heads is on an arm, whoze positioning is *critical* -- the head has to line up exactly over the track, or it fails to read or write the data correctly. It's done with a step motor and springs. As the drive ages, metal fatigues. If you suddenly change the gravitational orientation by 90 degrees, the amount of pressure on the arm changes quite a bit! If the servo motor can no longer compensate... - Dan. -- - Psychoceramic Emeritus; South Jersey, USA, Earth --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
