🚀 go-pugleaf

I have a "Smart and Friendly" Sony 535i CDROM drive that I have installed
in my 386DX25 system.  This uses the driver from PROCOM Technology, Inc.
I have release 1.02 of the PCD650S series CDROM driver software.

Here is the problem:  When I invoke the CDROM driver:

C:\PCD650S\MSCDEX /D:MSCD001

it says "Incorrect DOS version".  I followed the directions in the
Installation and Operation Guide and did this:

SETVER MSCDEX.EXE 4.01

I checked with 'SETVER' and it did add

"MSCDEX.EXE   4.01"

to the version table.  Then I rebooted.  However, invoking the device driver
continues to produce the message "Incorrect DOS version".

Now, I could just run through the list of all possible versions of DOS until I
hit one that works.   ;^)   Somehow I'm not sure that this is the problem.  It
seems to me that the PROCOM guys should know which version of DOS their driver
will work with.  Does anyone have any ideas about how I can get my system to
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