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From: jimh@hpsadla.HP (Jim Horn)
Newsgroups: comp.sys.amiga
Subject: Amiga 500/2000 Clock...
Message-ID: <2300005@hpsadla.HP>
Date: Mon, 20-Apr-87 19:50:00 EST
Article-I.D.: hpsadla.2300005
Posted: Mon Apr 20 19:50:00 1987
Date-Received: Fri, 24-Apr-87 01:11:03 EST
Lines: 17

Hi Gang -

     Does anyone know how the battery-backed real time clock in the Amiga
500 and 2000 is addressed?  I assume it is used to set the interrupt-driven
clock used by the operating system after /Reset, but am curious about where
the code resides - is it called by the s/Startup-Sequence, or is the code
in the Kickstart ROMs?

     Since I'm kludging up a 2Meg RAM board with a clock on it, I'd like it
to look the same as the 500's (and 2000's) clock to the system.  We now
have a more complete standard in the new machines, and I'd like to follow
it (yes, I have the old Schematics & Expansion Specs).

	Jim Horn	{The World}!hplabs!hpspdla!hpsadla!jimh
	1212 Valley House Drive		(707) 794-3130
	Rohnert Park, CA  95401
		[So many signals, so little bandwidth...]