> > > I have a 280 recently upgraded with a 2300 system board and need to > know > how much memory and HD space will I need to use OS9.1 > Gary, according to Apple (and my experiences), 9.1 needs at least 32mb real ram with VM turned up to 64mb. I just did an install on my 2300 without a hitch. As far as your other question about the fantom bootings...try turning off all extensions and see if it still happens. Or, perhaps a clean system install will help. Good luck, Phil