I have this happen to me when I bought a old 8100. Everything looks fine except it won't boot. Turn out the SCSI cable is bad. Replace the cable, and everything's working.
I have a IIci that won't boot, but that's because the Motherboard's fried. Sherman On Sat, 29 May 2004 12:44:55 +0000, David Elmo <[EMAIL PROTECTED]> wrote: > > Pardon me, I have forgotten all the details: Take out all the PCI cards. Put > in just one or maybe two if you have to, RAM chips (Try each in turn), > forget about the HD, disconnect it or use another HD which you know boots > another machine ok, use a CD or floppy to start (they need a valid System > Folder on it, don't try anything fancy like more than 9). The speaker works? > The monitor is known to be good? Work thoroughly thru one machine at a time, > eg. if you want to try a processor, swap the processor (using the temporary > "spare" in the machine you are not testing)... Take out the video Ram and > use the spares. Big drag and very time consuming changing one factor at a > time... > > Maybe you have tried all these things? > > David Elmo > > > Subject: Power but no boot from a Power Mac 8500 > > From: Joe Braddy <[EMAIL PROTECTED]> > > > Recently, I've been asked to repair two Power Mac 8500s that power up but > > fail to boot. On each machine, there's no boot sound, there's no launch from > > the hard drive (it spins briefly and then stops), and the monitor remains > > black. > > > > I've replaced the motherboard batteries (3.6-volt lithium) with new ones. > > I've also swapped out power supplies; reseated all the memory modules, > > processor cards and PCI cards; checked all of the cables; and reset the CUDA > > switch. And still there's nothing. > > > > Does anyone out there have any clues? > > > > Joe > > -- > PCI-PowerMacs is sponsored by <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | Refurbished Drives | > -- Sonnet & PowerLogix Upgrades - start at $169 | & CDRWs on Sale! | > > Support Low End Mac <http://lowendmac.com/lists/support.html> > > PCI-PowerMacs list info: <http://lowendmac.com/lists/pci-powermacs.shtml> > --> AOL users, remove "mailto:"; > Send list messages to: <mailto:[EMAIL PROTECTED]> > To unsubscribe, email: <mailto:[EMAIL PROTECTED]> > For digest mode, email: <mailto:[EMAIL PROTECTED]> > Subscription questions: <mailto:[EMAIL PROTECTED]> > Archive:<http://www.mail-archive.com/pci-powermacs%40mail.maclaunch.com/> > > Using a Mac? Free email & more at Applelinks! http://www.applelinks.com > -- PCI-PowerMacs is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Sonnet & PowerLogix Upgrades - start at $169 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> PCI-PowerMacs list info: <http://lowendmac.com/lists/pci-powermacs.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive:<http://www.mail-archive.com/pci-powermacs%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
