Date: Sat, 15 Apr 1995 00:03:31 -0700 (PDT) From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com> To: freebsd-current@FreeBSD.org Subject: Re: Interesting (and odd) effect in -current Message-ID: <199504150703.AAA03505@gndrsh.aac.dev.com> In-Reply-To: <199504150643.IAA01868@uriah.heep.sax.de> from "J Wunsch" at Apr 15, 95 08:43:04 am
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> > As Rodney W. Grimes wrote: > > > > > Wouldn't it be a good idea in general if we zero all of the RAM in locore.s > > > IMHO, no, this should have already been done by the BIOS at power up > > time. > > But the BIOS doesn't do it for a warm boot, does it? Some do, that is why we sometimes loose the msgbuf on a reboot, some don't. But either way you only have to initialize memory once after power on, as once you do that parity should stay consistent, as nothing turns off the parity generators. Infact a lot of chip sets don't even have a bit to turn this on and off :-). -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD
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