Date: Sun, 13 Feb 2000 11:30:13 +0800 From: Peter Wemm <peter@netplex.com.au> To: Brian Beattie <beattie@aracnet.com> Cc: hackers@FreeBSD.ORG Subject: Re: CMOS clock won't do 2000 Message-ID: <20000213033013.DBB531CD9@overcee.netplex.com.au> In-Reply-To: Message from Brian Beattie <beattie@aracnet.com> of "Sat, 12 Feb 2000 12:57:46 PST." <Pine.LNX.4.10.10002121248470.12446-100000@shell1.aracnet.com>
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Brian Beattie wrote:
> I have an older 486 system, running 3.4R that has a cmos clock that seems
> to be unwilling to accept years out side the range 94-99. The bios seems
> willing to set dates between 1994-2099, but after reboot any year not
> between 94-99 is converted to {20,19}94.
>
> What I have done is to go into i386/isa/clock.c and in the routines
> inittodr, resettodr, is to add 6 to and subtract 6 from the years
> respectively. I was wondering if anybody had any better ideas.
Also watch out for day-of-month and day-of-week calulations done in the
cmos chip. It's a shame you couldn't set it for 1972 which matches the
year 2000 date, day, and leap year sequences exactly.
Cheers,
-Peter
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