Subject:
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Re: legOS
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 25 Nov 1998 21:05:09 GMT
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Original-From:
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John Scott Kjellman <JKJELLMAN@AMERITECH.stopspamNET>
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Viewed:
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2045 times
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Guys,
Everyone seems to be missing one point:
The RCX does have ROM code (this is what loads the firmware the first
time, right?). If you were to "jam up" the firmware, you could just
simply remove the batteries, let the firmware (which must be in battery
backed SRAM) fade away, and reload the Mind(less)Storm crap :-).
the only possibility of any [physical damage to the brick would be if
Lego did a poor hardware design job and you could program something into
an overload state (like on the old IBM fixed frequency VGA monitors
;-). I highly doubt that this is possible based on the high quality
engineering and QA job that Lego does on every one of their products I
have seen over the last 30 years (geez, do I sound as old as I think?
;-).
Take care (and hack those bricks ;-)
KJohn
Kekoa Proudfoot wrote:
>
> > I think he meants risks as in "I installed LegOS, and it got wedged, and
> > I can't reinstall the official Lego stuff, so now I've got a very very
> > expensive lego brick that does nothing".
>
> Such risks are unknown. You have to trust, in the case of LegOS, that
> Markus did a reasonable job. He in turn probably has some amount of trust
> that I did a reasonable job, at least with regards to some aspects. If
> you're not sure about whether or not these risks are significant, and if
> you're worried about having to replace a broken Lego brick, then by all
> means listen to the disclaimers, don't make use of the information on my
> web page, and don't use LegOS.
>
> Of course, if you're looking for reasons to be confident with LegOS,
> conisder that Markus and others have been using the software with no
> destructive effect. As more and more people use the software, you can be
> more and more sure that the software is okay.
>
> > It seems to me that Lego's position would logically be "If you install
> > anything that we don't sell, you're on your own".
>
> Definitely.
>
> -Kekoa
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Message has 2 Replies:
 | | Re: legOS
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| (...) Er? Since when you rewrite the firmware, you can take full control of the i/o pins of the H8, it seems perfectly possible to me to drive inputs as outputs and fry something you didn't mean to fry... You have to be careful to make sure you (...) (25 years ago, 26-Nov-98, to lugnet.robotics)
| | | Re: legOS
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| I managed to get my Cybermaster into a "vibrating" state with the motors humming and the unit shaking! (downloaded some commands while it was running) None of the buttons worked and it did not sound very healthy so I ripped the batteries out (...) (25 years ago, 26-Nov-98, to lugnet.robotics)
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Message is in Reply To:
| | Re: legOS
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| (...) Such risks are unknown. You have to trust, in the case of LegOS, that Markus did a reasonable job. He in turn probably has some amount of trust that I did a reasonable job, at least with regards to some aspects. If you're not sure about (...) (25 years ago, 25-Nov-98, to lugnet.robotics)
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