This is a generic ISO image of the MessagePad Upgrade CD (aka "2100 CDROM").
It was made with WinISO 5.3, and should be usable by most CD burning software.
It should create a Hybrid CD with both Windows and Mac filesystems present.

IF YOU ARE LOOKING FOR THE ACTUAL FILES from the 2100 CDROM, the have been 
fully incorporated into the archive.  Look for them in an appropriate category
and you will find them!