Subject:
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Re: is Mindstorm/RCX Y2K Compliant???
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 20 Jan 1999 15:21:06 GMT
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Viewed:
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1194 times
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"....even when only relative time is required by the OEMs, this may
often be derived from chips that keep absolute time internally. Those
chips that represent absolute time using two digit dates are subject to
Year-2000 failures just as with computers and software as has been
more widely reported. The logic "It does not need to keep dates,
therefore it does not keep dates." has no basis in the internal operation
of the chip. This has resulted in a number of systems being declared
Year-2000-compliant when in fact their firmware has not been tested.
The question is not "Does it need a date?" the question is "Does it use
time in any way?"
from http://www.tmn.com/~frautsch/y2k2.html
lego-robotics@crynwr.com (Russell Nelson) writes:
> Jasper Janssen writes:
> > On Thu, 31 Dec 1998 19:53:26 GMT, lego-robotics@crynwr.com (Russell
> > Nelson) wrote:
> >
> > > Did you *tell* it which year it was??
> > >
> > > Then why do you think it cares??
> >
> > It's a microcontroller. Therefore it has an internal clock. Therefore
> > it can suffer from Y2K, if it hasn't been removed.
>
> If you didn't tell it what year it was, how would it know when the Y2K
> arrives?
>
> > > Sheesh, this Y2K panic is getting completely out of hand.
> >
> > No it's not. We're not even close to getting everything away. How do
> > you think we will fare if the world's stockmarkets can't function
> > anymore because of a comp crash? or, which is a more likely scenario,
> > the stockmarket will just crash completely because of companies going
> > belly up when they're not prepared...
>
> Sheesh, this Y2K panic is getting COMPLETELY out of hand. And worse,
> because people are spouting nonsense. Somebody called a friend's
> heating and cooling equipment company and wondered if their thermostat
> was Y2K-compliant. You see, it knows the time of day, so it MUST be
> susceptible to the Y2K problem.
>
> --
> -russ nelson <rn-sig@crynwr.com> http://crynwr.com/~nelson
> Crynwr supports Open Source(tm) Software| PGPok | There is good evidence
> 521 Pleasant Valley Rd. | +1 315 268 1925 voice | that freedom is the
> Potsdam, NY 13676-3213 | +1 315 268 9201 FAX | cause of world peace.
> --
> Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message has 2 Replies:
 | | Re: is Mindstorm/RCX Y2K Compliant???
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| (...) this is a complete crock. The H8 inside the RCX does not fall into the category of chips that "keep absolute time internally." See the H8 specs for details. In fact, this thread is a complete joke. -Kekoa (26 years ago, 20-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: is Mindstorm/RCX Y2K Compliant???
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| Jasper Janssen writes: > On Thu, 31 Dec 1998 19:53:26 GMT, lego-robotics@crynwr.com (Russell > Nelson) wrote: > > >Did you *tell* it which year it was?? > > > >Then why do you think it cares?? > > It's a microcontroller. Therefore it has an internal (...) (26 years ago, 19-Jan-99, to lugnet.robotics)
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