I used OnTrack's DiskManager overlay for my first Intel
platform machine, an AT&T 6300, to add a 65meg RLL'd drive. The
setup worked flawlessly for over a decade when the bearings
wore out on the hard drive and I could no longer live within
the limitations of an XT machine. 

I wouldn't portray overlay software to bypass bios limitations
as 'tricky' but I would suggest taking notes and writing down
your selections at each stage of the install. The terminology
is a bit proprietary and others who have used other overlays
won't be much help. Each 'install' tends to be unique and
various software is unique in it's terminology as well. 

As has been hinted at, Linux more-or-less uses this same method
to bypass the bios but has been updated to auto-detect as much
as possible. My experience has been that Linux will manage this
feat without assistance from the user. Therefore, the overlay
is only necessary for those OS that require other
partition/file formats. 

>
>        ,                          ,
>      o/      Charles.Angelich      \o       ,
>       __o/
>     / >          USA, MI           < \   __\__
 

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