Date: Fri, 04 Jun 1999 22:16:35 GMT From: Marty Cawthon <mrc@ChipChat.com> To: dwhite@resnet.uoregon.edu Cc: forrie@forrie.com, freebsd-questions@FreeBSD.ORG Subject: Re: NTP hardware Message-ID: <19990604221635R.mrc@ChipChat.com> In-Reply-To: Your message of "Fri, 4 Jun 1999 10:44:48 -0700 (PDT)" <Pine.BSF.4.03.9906041043270.12183-100000@resnet.uoregon.edu> References: <Pine.BSF.4.03.9906041043270.12183-100000@resnet.uoregon.edu>
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> 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.
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