Humanist Archives Vol. As Bob Kraft recently pointed out the problem is in the software used to access the disc and not the format of the data itself. Need to be copied into the system folder and teh system rebooted. The disc then appears on the desktop just like any other Mac disk.
Audio formats are also acessible.
There are no hardware changes necessary. Either drive takes less than 5 minutes from start to finish of the installation process. The Tos hiba also attaches to my DOS machines. Things are considerabley more complicated there. First a SCSI card must be installed.