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From: gwni@troi.cc.rochester.edu (G. Wayne Nichols)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Compaq Portable and 720K floppy drive
Summary: What does it take to add 720K floppy to Compaq Portable?
Keywords: Compaq Portable 720K floppy
Message-ID: <14008@ur-cc.UUCP>
Date: 13 May 91 22:37:07 GMT
Sender: news@uhura.cc.rochester.edu
Organization: University of Rochester - Rochester, New York
Lines: 15

I have one of the original (8088) Compaq Portables.
I also have a working 720K 3 1/2" floppy drive
	(I tested it as drive B on another XT-type machine).
So I removed one of my 5 1/4" floppies and installed the 3 1/2" drive.
Results?  It doesn't work.
	When I try to access the drive, the select light comes on,
	but the read is never successful.  Usually it reports a
	"drive not found".

I tried adding a "DRIVPARM" statement to CONFIG.SYS, but it didn't help.
Is there a minimum ROM revision level needed for this to work?
	I have revision C (after all, my hard disk works).

P.S. - Is there a minimum ROM revision level needed for an EGA to work
	in this machine?