Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/5/84; site philabs.UUCP Path: utzoo!linus!philabs!brb From: brb@philabs.UUCP (Brian Bertan) Newsgroups: net.micro.pc Subject: Real Time Clock in PC-AT Message-ID: <492@philabs.UUCP> Date: Fri, 1-Nov-85 09:12:04 EST Article-I.D.: philabs.492 Posted: Fri Nov 1 09:12:04 1985 Date-Received: Sun, 3-Nov-85 14:27:12 EST Distribution: net Organization: Philips Labs, Briarcliff Manor, NY Lines: 11 The ROM BIOS of the PC-AT makes mention of a Daylight Savings Time option when setting the Real Time Clock. The option can be set with interrupt 1AH, but does it do anything? Will it automatically invoke DST on the last sunday of April, and release it on the last sunday of October? Thanks, Brian Bertan Philips Labs Briarcliff Manor, NY {allegra | decvax | seismo}!philabs!brb (914) 945-6309