From owner-freebsd-questions Fri Jun 4 15:17:30 1999 Delivered-To: freebsd-questions@freebsd.org Received: from Raccoon.ChipChat.com (Raccoon.ChipChat.com [206.2.228.130]) by hub.freebsd.org (Postfix) with ESMTP id 64E8215450 for ; Fri, 4 Jun 1999 15:17:26 -0700 (PDT) (envelope-from mrc@ChipChat.com) Received: from Piman-Orange.ChipChat.com (Piman-Orange.ChipChat.com [206.2.228.146]) by Raccoon.ChipChat.com (8.9.2/8.9.2) with ESMTP id WAA49313; Fri, 4 Jun 1999 22:23:07 GMT (envelope-from mrc@ChipChat.com) Received: from localhost (localhost.ChipChat.com [127.0.0.1]) by Piman-Orange.ChipChat.com (8.9.3/8.9.2) with ESMTP id WAA49088; Fri, 4 Jun 1999 22:16:35 GMT (envelope-from mrc@ChipChat.com) To: dwhite@resnet.uoregon.edu Cc: forrie@forrie.com, freebsd-questions@FreeBSD.ORG Subject: Re: NTP hardware In-Reply-To: Your message of "Fri, 4 Jun 1999 10:44:48 -0700 (PDT)" References: X-Mailer: Mew version 1.93 on XEmacs 20.4 (Emerald) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <19990604221635R.mrc@ChipChat.com> Date: Fri, 04 Jun 1999 22:16:35 GMT From: Marty Cawthon X-Dispatcher: imput version 980905(IM100) Lines: 26 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > On Wed, 2 Jun 1999, Forrest Aldrich wrote: >> Suggestions for any supported hardware for dedicated >> NTP functions (radio/satellite whatever) that are supported >> under FreeBSD? > > On June-04 Doug White wrote: > This isn't too well documented, but if you dig around in the xntpd source > tree all the reference clock drivers are there. > > src/usr.sbin/xntpd/refclocks/ Now, Marty Cawthon of ChipChat writes: There is a 'FreeBSD Project' to run FreeBSD as an NTP startum 1 server. http://www.FreeBSD.org/projects/ Scroll down to "Device Drivers" then look for "High Precision Timekeeping with FreeBSD" This links to a web page which nicely describes a way to connect a GPS to FreeBSD, and what to modify in the kernel to support it. As a result of reading this web page I ordered a GPS unit and will turn one of my FreeBSD machines into a stratum-1 NTP source. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message