From owner-freebsd-hackers  Fri Feb  2 09:03:37 1996
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To: Robert Withrow <witr@rwwa.com>
cc: hackers@freebsd.org
Subject: Re: Watchdog timers (was: Re: Multi-Port Async Cards) 
In-reply-to: Your message of "Thu, 01 Feb 1996 21:15:20 EST."
             <199602020215.VAA25630@spooky.rwwa.com> 
Date: Fri, 02 Feb 1996 16:32:44 +0100
Message-ID: <2817.823275164@critter.tfs.com>
From: Poul-Henning Kamp <phk@critter.tfs.com>
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> > 
> > I actually thought about this some time back, and have a suggestion
> > for a ISA card:
> > 
> > 	The "FreeBSD gadget":
> 
> How about adding a 1pps input for xntpd.

You only want a 1pps if it is very good.

That is not the job for a GPS receiver.

You could add the HW to get a precise timestamp of course but that is
cheap:  A TTL buffer that triggers an irq.

--
Poul-Henning Kamp           | phk@FreeBSD.ORG       FreeBSD Core-team.
http://www.freebsd.org/~phk | phk@login.dknet.dk    Private mailbox.
whois: [PHK]                | phk@ref.tfs.com       TRW Financial Systems, Inc.
Future will arrive by its own means, progress not so.