You got it - the 7100 doesn't seem to be powewrful enough to run OS 9.0. Even if you're able to install it, we found that installing it on a 7100/80 causes the system to slow to a crawl. Out it came and everything ran smoothly again. >hi all-- > > just got a 7100/80 M/B and am having trouble. I had HUGE problems >installing OS 8 (many finder errors, forcing restart). Then finally >with OS 8 installed, I installed OS 9, and on restart i got an >extensions error. (actually bus error, and told me to restart with >extensions off). Then on restart the harddisk was unreadable! > >I thought, ok, maybe it's the HD... so I swapped a known , good HD, >and installed OS 9 using a different mac. When I put the good OS9 HD >in the 7100, I get the same thing. > >Everytime I "restart with extensions off" I get a blank hard disk >icon... and then on boot with a CD, the machine says the hard drive >is unreAdable. > >So I dont know what is going on. >Is 9 not compatible with a 7100/80? >seems weird. >perhaps I got a dud motherboard. > >any suggestions appreciated. >this has already taken me some days to figure, and still it's a no-go. > >regards, >~Alex > > >Users can subscribe to the List by sending an email to ><muglo-request@xxxxxxxxxxxxx> with 'subscribe' in the Subject field > >Users can unsubscribe from the List by sending an email to ><muglo-request@xxxxxxxxxxxxx> with 'unsubscribe' in the Subject field > >Users must send messages or replies to <muglo@xxxxxxxxxxxxx> > >All messages are archived so that you can view them at any time by >going to <//www.freelists.org/archives/muglo> > >Problems concerning use of the FreeList should be sent to ><paulthomas@xxxxxxx> > >Don't forget to periodically check our web site at: > > http://muglo.on.ca/ -- Best regards. Ken Davis "You cam always tell if your Model T is out of oil- it stops leaking !" Users can subscribe to the List by sending an email to <muglo-request@xxxxxxxxxxxxx> with 'subscribe' in the Subject field Users can unsubscribe from the List by sending an email to <muglo-request@xxxxxxxxxxxxx> with 'unsubscribe' in the Subject field Users must send messages or replies to <muglo@xxxxxxxxxxxxx> All messages are archived so that you can view them at any time by going to <//www.freelists.org/archives/muglo> Problems concerning use of the FreeList should be sent to <paulthomas@xxxxxxx> Don't forget to periodically check our web site at: http://muglo.on.ca/