Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!decwrl!ucbvax!bloom-beacon!eru!luth!sunic!mcsun!ukc!educ-isis!tejtemw From: tejtemw@isis.educ.lon.ac.uk (EARL WILLIAMS) Newsgroups: comp.sys.mac Subject: Re: Real Time Clock Chip source Message-ID: <1990Mar16.103331.22938@isis.educ.lon.ac.uk> Date: 16 Mar 90 10:33:31 GMT References: <1990Mar15.070202.1914@eda.com> Reply-To: tejtemw@isis.educ.lon.ac.uk (EARL WILLIAMS) Distribution: comp Organization: Institute of Education University of London Lines: 15 In article <1990Mar15.070202.1914@eda.com> budler@eda.com (Jim Budler) writes: >My Antique Mac has developed a fibrillated clock. It jumps to random other >era's, or dies completely February 6, 1940 at 6:28:15 AM. Sounds like your battery has run dead. The clock chip is probably fine. In order to keep time while the power to the Mac is off, there is a little battery inside your case. When it dies, your clock starts "fibrillating." The clock time is just one of several values which are stored in PRAM and sustained by this battery. -- Earl M. Williams ?8^) "No matter where you go, there you are." Inst. of Education, U. of London -Buckaroo Banzai INTERNET/JANET: tejtemw@isis.educ.lon.ac.uk "When in doubt, lay it out." BITNET: tejtemw%@ukacrl.bitnet -Captain Ultimate [Frisbee]