On Jun 10, 2009, at 3:35 AM, Ernest L. Gunerius wrote: >> > > I did the Battery-CUDA 30 min- CUDA again and still booted into OF.
Maybe its the RAM. > > Once I get booted from OF with "mac-boot" into the 80Gig ATA every > things seems normal. > > Except the front Panel on/off button remains brightly lit even after > doing "shut-down" from OF or from the finder. It only goes out when I > pull the power plug. If you have a power strip, it might be gentler on the system to use that power off switch. I heard my hard drive sort of crash when I did a similar power off one time ... you know, like the old turn table record player needle dragging across the record ... > Somehow that light has a short to a power source. Not having a > schematic is a drag. Tomorrow I will try to remove the cover over the > Light/Button and see what trouble I can get into. > > That lite/button is probably driven by a Logic Chip so I don't expect > to see much. My Yikes has a circuit board at that location. My air conditioner's circuit board was fried once with a brown out type power surge ... $65 to replace ... FWIW ... > > It would seem that whenever I apply power by plugging in the power > cord the circuitry that expects to see the light off at this time > sees it already lit thus corrupting the boot process. > > What ever normally happens between first ON button push and the final > Bright Light when the Boot Process starts is probably not done so > because of error the Boot goes directly to OF. Does that make sense? Auto Startup RAM Test? Have you tried reducing the internal hardware setup to a minimal status? Like only have 1 stick of RAM, and no PCI cards? and sort of start over, CUDA/PRAM Reset, rebuilding the hardware add-ons? Maybe then try to run AHT again? Thinking out loud ... Bill Connelly artsite: http://mysite.verizon.net/moonstoneartstudio myspace: http://www.myspace.com/moonstoneartstudio --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
