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Date:      Wed, 9 Dec 1998 08:25:36 +1030
From:      Greg Lehey <grog@lemis.com>
To:        Thomas Good <tomg@nrnet.org>
Cc:        "FreeBSD-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Hard Disk Led stays lit
Message-ID:  <19981209082536.K12688@freebie.lemis.com>
In-Reply-To: <Pine.LNX.3.96.981208084051.7012A-100000@mailhost.nrnet.org>; from Thomas Good on Tue, Dec 08, 1998 at 08:47:16AM -0500
References:  <19981208151654.S12688@freebie.lemis.com> <Pine.LNX.3.96.981208084051.7012A-100000@mailhost.nrnet.org>

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On Tuesday,  8 December 1998 at  8:47:16 -0500, Thomas Good wrote:
> On Tue, 8 Dec 1998, Greg Lehey wrote:
>
>> In the Good Old Days drives often had several options for the meaning
>> of the LED, such as ``am selected'', ``have power on'', ``am
>> transferring data'', ``am writing data''.  It looks as if yours is
>> saying ``have power on''.  Possibly there are DIP switch options to
>> change the meaning.
>
> I have similar symptoms on my hdd - my drive is a wd caviar 540 that
> only fires its led when it spins up to read or write, at least under
> Win3.1 and Slackware...when I am not accessing the device the lamp is
> not lit.

That's ``normal'' nowadays.

> Under FreeBSD the led comes on during boot diagnostics and stays on.
> Surviving even a system halt.  If I reboot to DOS the led returns to
> its `premorbid' state.  ;-)

Interesting.  I wonder what makes it do that.

> Similarly, my Sony CDU77E/1.0e behaves erratically when I reboot via
> shutdown -r into DOS.  This same behaviour occurred on Slackware.
> So, my Linux/FreeBSD workaround for the CD is to halt the system
> and do a hard reset.  Then Sony is happy again.  I am rather used
> to this little dance...

Now that's one I haven't heard of.

Greg
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