*BSD News Article 16952


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From: sms@WLV.IIPO.GTEGSC.COM (Steven M. Schultz)
Subject: Re: KFQSA Driver for BSD 4.3 Unix
Message-ID: <1993Jun9.171307.26570@wlbr.iipo.gtegsc.com>
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References: <1993Jun8.180313.14890@mintaka.lcs.mit.edu> <1993Jun8.185311.6191@spcvxb.spc.edu>
Date: Wed, 9 Jun 93 17:13:07 GMT
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In article <1993Jun8.185311.6191@spcvxb.spc.edu> terry@spcvxb.spc.edu (Terry Kennedy, Operations Mgr.) writes:

>  It should work, though you may need to make some minor driver changes.
>The KFQSA looks like multiple UDA50/KDA50/etc. Be sure that the drives are

	I double checked last night, both a 4.3Reno system (gave me an
	excuse to fire up the uVax) and a 4.3 system.  No changes would be 
	needed to the driver itself.  Just add a bunch of "uda? ..." lines 
	to the kernel config file.

>  The changes you'd need would be to handle the controller model that you
>receive when the driver goes "what are you" to the KFQSA. Each MSCP control-

	Na, the uda driver pays that part of the 'id' absolutely no mind
	at all.  Where you would run into possible problems is in the
	drive type identification - all the driver looks at (in straight
	4.3) is the '81', '80', '82' part of the media id - it can't tell
	the difference between an RA72 and an RF72 (for example).

	The other problem(s) that would be encountered are: 1) the 4.3
	driver has built in tables that only go as far as the RA81, you'll
	have to have the system up and running and add in additional tables
	for RFxx drives.  2) there are a few "oop"es in the 4.3Reno 
	compatibility table (it wouldn't recognize a genuine RD53 as an
	RD53).

	Steven Schultz
	sms@wlv.iipo.gtegsc.com