From owner-freebsd-hackers Thu Dec 25 14:57:39 1997 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA06111 for hackers-outgoing; Thu, 25 Dec 1997 14:57:39 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from hda.hda.com (hda-bicnet.bicnet.net [208.220.66.37]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id OAA06105 for ; Thu, 25 Dec 1997 14:57:18 -0800 (PST) (envelope-from dufault@hda.hda.com) Received: (from dufault@localhost) by hda.hda.com (8.8.5/8.8.5) id EAA25694; Thu, 25 Dec 1997 04:30:17 -0500 (EST) From: Peter Dufault Message-Id: <199712250930.EAA25694@hda.hda.com> Subject: Re: procedure to adjust clock drift? In-Reply-To: <199712231738.JAA01502@rah.star-gate.com> from Amancio Hasty at "Dec 23, 97 09:38:44 am" To: hasty@rah.star-gate.com (Amancio Hasty) Date: Thu, 25 Dec 1997 04:30:16 -0500 (EST) Cc: hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL25 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk > Does anyone have a procedure to adjust the clock drift in a PC? In addition to the obvious "use nttp", here is a pointer to "How to get NIST-traceable time on your computer": http://www.boulder.nist.gov/timefreq/pubs/hownist/hownis.htm I haven't read the whole thing, but it will tell you how to get NIST traceable time via radio, telephone, and the internet. Peter PS: The PBS time signals sound questionable since I immediately found a pointer to a comp.risks posting where the time was correct but the day was off by one. -- Peter Dufault (dufault@hda.com) Realtime development, Machine control, HD Associates, Inc. Safety critical systems, Agency approval