STOP On Thursday, August 11, 2016, jerseyfreshtv <[email protected]> wrote:
> G4 Quicksilver 2001 dual 800 MHz power-up problem > > > > > > August 11, 2016 > > > > > > I recently replaced the CPU with a dual 1G card, original to a 2002 G4. > I have had no problem with this card for several months, although I use > this computer rarely, and > > Only fire it up occasionally. It is connected to the power mains through a > panel-mounted Furman voltage protection device. > > > > There are several other upgrades, OWC firewire 800 and USB 2.0 PCI cards, > and the fastest graphics card I could get back in the day. I’ve used this > computer for 15 years. > > > > Failed partition map in external 1T LaCie Rugged drive may have caused > this powering up problem, which I have been able to solve by the usual > tricks. I may have had another external drive attached, and I may also have > been networked to another local computer via Ethernet! > > > > When the computer failed and shut down, here’s the last thing I saw on the > screen: it was filled with numbers, on a black background. From previous > unhappy experience, this may mean that the CPU daughter card has failed. > But I don’t know. > > > > Every time I took out a PCI card, or tried starting with different > peripherals connected/disconnected, I removed the battery for 15 minutes > and/ or reset the CUDA button. Every time I tried to power up the following > sequence occurred: > > > > 1) As I held down the power button it lit up for a long second, went dark > and then flashed for a fraction of a second. 2) It emitted a ‘beep’ sound > that I have not heard before. 3) The hard drive was spinning-up and the > fans were on. 4) After several seconds it powered itself down. 5) Pressing > the power button now yielded no activity at all. 6) There was a ‘ticking’ > sound, coming from the area of the power supply, which stopped when I > disconnected the power cable. > > If I opened the side and looked at the mother board while it was > attempting to start, the Red LED was solid. Then it was blinking after > failure to power-up. > > > > After resetting the CUDA button, taking out the battery, pulling every PCI > card and all but one memory card, trying to start while holding > Command+Control+P+R keys down, and replacing the CPU, I am still at a > quandary. > > > > Today, I tried swapping in the original dual 800 CPU card. I had the video > monitor plugged in. Also the keyboard and the Ethernet cable were attached. > When I held down the start button, the G4 made it’s usuall happu ‘bong’ > sound and the power button lit up steady. I turned on the video monitor and > was pleased to see the grey screen with the Apple icon, the usual start-up > display. However, after a few more seconds the G4 powered itself off. I > would guess that it had been on for maybe 10 seconds before shutting down. > > > > I have the original graphics card somewhere. I will try swapping that with > the after-market card that’s in there now when I find it. > > > > Otherwise, I remain flummoxed, and appeal to any advanced G4 users who > have helpful suggestions which I have not already tried. > > > > Thank you, > > > > Stephen Mason > > -- > -- > 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 [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > For more options, visit this group at http://groups.google.com/ > group/g3-5-list > > --- > You received this message because you are subscribed to the Google Groups > "G-Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <javascript:_e(%7B%7D,'cvml','g3-5-list%[email protected]');> > . > For more options, visit https://groups.google.com/d/optout. > -- -- 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 [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list --- You received this message because you are subscribed to the Google Groups "G-Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
