On 26.6.2009, at 14.19, Jerry Krinock wrote: > Am I incorrect in expecting that this should work, or did something > change in Mac OS X 10.5.7? Maybe ownership and permissions are not enabled on the Volume? mount | grep Pb800HD If the output of that includes "noowners" then that is the case. Then you can use the Finder to enable ownership or remount it manually. .. I think. :) -filipp