Date: Fri, 02 Feb 1996 16:32:44 +0100 From: Poul-Henning Kamp <phk@critter.tfs.com> To: Robert Withrow <witr@rwwa.com> Cc: hackers@freebsd.org Subject: Re: Watchdog timers (was: Re: Multi-Port Async Cards) Message-ID: <2817.823275164@critter.tfs.com> In-Reply-To: Your message of "Thu, 01 Feb 1996 21:15:20 EST." <199602020215.VAA25630@spooky.rwwa.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.
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