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From: hm@altona.hamburg.com (Hellmuth Michaelis)
Subject: Re: Problems with SCSI DDS driver?
To: roberto@keltia.freenix.fr (Ollivier Robert)
Date: Tue, 2 Jan 1996 09:15:22 +0100 (MET)
Cc: grog@lemis.de, hackers@freebsd.org
In-Reply-To: <199601011602.RAA04234@keltia.freenix.fr> from "Ollivier Robert" at Jan 1, 96 05:02:29 pm
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> > If I try to write, I get
> > 
> > Dec 31 19:04:02 freebie /kernel: st0(aha0:2:0): DATA PROTECT asc:30,0 Incompatible medium installed
> > 
> I have the same problem with the same hardware.
>  
> (ahb0:5:0): "HP HP35480A 1009" type 1 removable SCSI 2
> st0(ahb0:5:0): Sequential-Access density code 0x13,  drive empty

HP DAT drives have a feature called MRS (Media Recognition System) to 
detect MRS compatible and certified media. This is dip-switch selectable,
if switched on, my manual says: "The MRS is active. This is the default.
Non-MRS Tapes are treated as if they were write protected."

hellmuth
-- 
Hellmuth Michaelis           hm@altona.hamburg.com              Hamburg, Europe
                                              (A)bort, (R)etry, (I)nstall BSD ?