The 6100 supports up to 9.1, but you must install it from a 9.1 disc. You cannot boot a 6100 from a 9.0 install disc (even a retail one), so you can't install 9.0 or update to 9.1 …
Just picked up a very nice looking pismo. The first one I have had! No hardrive. Plugged it in. Nothing. Checked and reset the ram, added a hardrive. Checked all the cables unde…