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Date:      Wed, 31 Jan 96  4:20:56 +0000
From:      Andrew.Gordon@net-tel.co.uk
To:        hackers@freebsd.org
Subject:   Re: Watchdog timers (was: Re: Multi-Port Async Cards)
Message-ID:  <"arg-home.net-tel-0131042105-8916*/G=Andrew/S=Gordon/O=Net-Tel Computer Systems Ltd/PRMD=Net-Tel/ADMD=Gold 400/C=GB/"@MHS>
In-Reply-To: <"SunOS:19241-960131022246-304F*/DD.RFC-822=owner-hackers(a)freebsd.org/O=internet/PRMD=NET-TEL/ADMD=GOLD 400/C=GB/"@MHS>

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> I was thinking about tackling the problem myself by putting an 8751-class
> microcontroller on a PC card and writing a quick'n'stupid bit of timer code
> for the 8751 that would do all the dirty work (mainly because I would hate 
> trying to wire all the digital logic for a traditional watchdog counter,
> and I'm not familiar with any of the Maxim-type monolithic watchdog chips).
> I don't have PC board facilities available to me and the prototyping cards
> are expensive$$$$$.

Why not hang it off the parallel port?



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