On Dec 22, 10:33 pm, Clark Martin <cm...@sonic.net> wrote: > Len Gerstel wrote: > > My home Mac has been running rock solid for months with only rare > > software crashes. My system is a DA with the following:
snip > > That it hung with two different drives and in the boot select screen > implies it's NOT the software. My thoughts, unfortunately >Possible problems, in likely order, bad memory, 2 matching sticks and tried swapping them around with no help. > corrupt NVRAM or PRAM, wonky devices on any drive bus (ATA, > SATA,...), wonky PCI cards, motherboard gone BAD, sick processor card. > > Try resetting NVRAM (and thus PRAM). Reset the NVRAM and got the following: On automatic restart, it immediately went to the 4 language restart and then shut down. Restarted again. This time came up with a 680 x 480 screen LARGE grey apple, but no daisy. Twice. Boot into open firmware and get the following: WARNING MSSCR Values mismatch Googling turns up nothing on msscr Date was reset to 1904, so the resetting worked. > In general start disconnecting things, working your way toward the > motherboard and then boot to test it. > > I would boot with the option key held down each time. It seems to be > the shortest route to the kernel panic and it doesn't involve the HD > booting so it's safe to restart at that point if needed. > Keep debugging like this until you get to the point where you can > disconnect one item and only one item and eliminate the problem. Will try stripping down the system further tomorrow. Will also try booting off a firewire drive just with all internals disconnected, just in case. Thanks all, Len -- You received this message because you are a member of G-Group, 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 g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
