What makes you think that the port can only accept DC current? Did apple ever make any educational rack charging stations? I think I remember something about them but I'm not sure?
On May 14, 2009, at 9:43 AM, Ken Daggett wrote: > > > On 14 May 2009, at 05:04:10 PDT, William Gates wrote: > >> If you look at the bottom of your iBook, just above the battery cover >> there are two small holes about an inch and a half apart and just >> below the apple on the bottom of all clam shell iBooks. This is >> the a/ >> c power port for the rack charging system. > ------------- > Well, whadaya know! It's going to be a good day! I have learned > something new already! > > I took a look at my poor old Clamshell and, sure enough, > there are the ports. A bit of Googling turned up only > one mention of "charging ports for a 'custom made' rack, > probably for educational institutions." > > I strongly suspect that the port can only accept DC current, > and then only at the voltage produced by the original power > adapter (yo-yo). There is no way the Clamshell has the > internal circuitry to convert AC to DC. Also, I would suspect > that the two terminals are polarized. Which is positive? I > didn't see any external markings. > > Ken > http://mysite.verizon.net/res7gt1w/stackomacs > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to Low End Mac's G-Books list, a group for those using G3 iBooks and PowerBooks (we run a separate list for G4 'Books). The list FAQ is at http://lowendmac.com/lists/g-books.html 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/g-books?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
