Clean up the Classic II motherboard with a toothbrush and 90% isopropyl alcohol. If it starts working, you definitely have capacitor trouble. If it doesn't start working, it may have capacitor trouble that is too late to fix without repairing traces.
On Sat, Apr 24, 2010 at 12:34:06PM -0700, Manuel Marques wrote: > Hey there! > > In the last two days I made some nice finds, mainly when salvaging old > machines in the college campus: a beige desktop Power Mac G3, a LC, a > Classic II, and a Quadra 650. > > The guy who gave me the Quadra said it lacked a FPU, but as far as I > investigated, the 650 was always sold with a 68040, never with the > cheaper 68LC040 version! (without the FPU). I didn't have time yet to > thoroughly test the machine, so I don't know if the machine really > lacks the FPU. It is currently running 7.5.1 with a 2 GB disk, and has > 73 megs of RAM (pretty neat!). > > The Classic II boots to a vertical stripes pattern. This is ROM- > related, right? I need to get a long Torx T-15 to open the case (I had > one, but it seems to be missing...) and re-seat the components, and > also check for any leakage from the capacitors (I'm not an electrical > engineer, unfortunately... so the caps won't get replaced). > > But the other two, apart from the long gone PRAM battery, are doing > just fine. The LC has its full 10 MB of RAM, and boots to 7.1 in its > tiny stock 40 MB drive. > > Too bad I don't have the time to tinker with them right now.. with all > this classes and projects, there's little time left! :P > > MM (and I hope you don't consider this spam, after all I've posed some > questions! ;) ) > > -- > ----- > You received this message because you are a member of the Vintage Macs group. > The list FAQ is at http://lowendmac.com/lists/vintagemacs.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 leave this group, send email to [email protected] > For more options, visit this group at > http://groups.google.com/group/vintage-macs > > Support for older Macs: http://lowendmac.com/services/ > -- Ryan C. Underwood runderwo(at)mail.win.org -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.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 leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/
