[time-nuts] Advice on NTP server needed

shalimr9 at gmail.com shalimr9 at gmail.com
Tue Jun 14 11:55:56 UTC 2011

An alternative for an inexpensive NTP server would be an older laptop. Until a few years ago laptops had one native serial port, draw little power and  nowadays can be had for the asking (or very little money)

My favorite is the Dell D400. With at least 512M (768k or 1G recommended) of RAM and Win XP or your favorite Linux distro, it easily beats all the Netbooks and other Celeron powered machines in performance. I use several in not demanding "regular" computing tasks like email and web browsing.

Of course, these don't have the special timers of the Soekris, but if you only need mS accuracy, it is a good alternative and you can easily run other services on it.

Didier KO4BB

Sent from my BlackBerry Wireless thingy while I do other things...

-----Original Message-----
From: Per Molund <pmolund at gmail.com>
Sender: time-nuts-bounces at febo.com
Date: Mon, 13 Jun 2011 22:37:34 
To: <time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Subject: [time-nuts] Advice on NTP server needed


I have an upcoming need for a GPS disciplined NTP server in a low cost
project. Checking price
on commercial units shows that these are out of reach so I have been looking
into the possibility
of building an NTP server. I understand that the Soekris net4501 single
board computer is still
available and affordable timing GPS units shows up on Ebay regularly so I
assume these compnents
could be used. I have found a couple of reference to ntpns software on
internet, however I have
not been able to figure out the exact hardware configuration required for
this implementation.

Does anyone on the list have any experience putting together an NTP server
based on the net4501
running ntpns?

Any alternative ideas for inexpensive SBC based NTP server?


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