From owner-freebsd-hackers Wed Dec 27 01:12:17 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id BAA11355 for hackers-outgoing; Wed, 27 Dec 1995 01:12:17 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id BAA11326 for ; Wed, 27 Dec 1995 01:12:06 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id KAA06466; Wed, 27 Dec 1995 10:12:02 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id KAA03346; Wed, 27 Dec 1995 10:12:02 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id KAA03811; Wed, 27 Dec 1995 10:02:11 +0100 (MET) From: J Wunsch Message-Id: <199512270902.KAA03811@uriah.heep.sax.de> Subject: Re: clock accuracy? To: ewb@zygaena.com (Will Brown) Date: Wed, 27 Dec 1995 10:02:11 +0100 (MET) Cc: freebsd-hackers@freebsd.org Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: from "Will Brown" at Dec 26, 95 09:31:00 pm X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-hackers@freebsd.org Precedence: bulk As Will Brown wrote: > > I found various postings from various folks on topics such as the > use of freq. synthesizers instead of crystals on newer PeeCee boards, > and the woeful state of the venerable 8254. > > Is that the basic issue? Do these PeeCee's really not have a timekeeper > that is even as good as my $25 Timex? If i recall right, the problem was that the 8254 ain't used for the time-of-day clock on Pentium systems. Instead, some supposed to be as accurate Pentium-internal timer is being used, but many people complain about its accuracy. -- cheers, J"org (still not being bothered by a Pentium :-) joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)