Subject: Re: Update on the PowerBook 140
To: John P. Wittkoski <jpw@netscape.com>
From: Bill Studenmund <wrstuden@loki.stanford.edu>
List: port-mac68k
Date: 01/12/1997 16:35:13
> > > PRAM time does not appear to have been read correctly.
> > > PRAM:  0x83da4f80, macos_boottime: 0x32d089e4
> > >
> > > Could this have anything to do with it???
> > 
> > No.  That's just a little quirk in reading the time.  I have no idea why
> > it does that, but every system I've used w/ NetBSD since... I dunno, many
> > months ago... has done that.
> 
> This means that the code to query the PM for PRAM data isn't working 
> yet. All non-powerbooks that work with NetBSD should be able to get
> the time properly. It will always be a little off like this:
> 
> PRAM:  0x32d089f7, macos_boottime: 0x32d089e4
> 
> because the PRAM time is the current time and the macos_boottime is
> when you _started_ booting, so it'll be a few ticks off.
> 
> If these two time are WAY off, then it prints the "PRAM time does not
> appear to have been read correctly" message warning you.

Another reason for them being off is that the time zone in the
Map CP is different from the one for the given GMT offset. Being off
by 60 minutes will generate a large error in seconds!

Take care,

Bill