Flash drives for this would be the way to go as well, but unfortunately they
are not cheap[1].

Lucas


[1] At least, not yet. Looking at the amount of LandWarrior systems we're
going to end up with, hopefully we can buy enough to boost manufacturing and
lower prices someday... :)

> -----Original Message-----
> From: Jason [mailto:jkenner@mindspring.com]
> Sent: Thursday, October 26, 2000 8:26 PM
> To: plug-discuss@lists.PLUG.phoenix.az.us
> Subject: Re: Embedded Linux
> 
> 
> Lucas Vogel wrote:
> > 
> > You might want to try the Linux-from-scratch HOWTO or 
> something similar if
> > you're truly adventurous. The best embedded demo I've ever 
> received was the
> > one from QNX, but I don't believe theirs is Linux(though 
> definitely *nix).
> > 
> > IMHO a DirectCD implementation is more of a pain than it's 
> worth(see also in
> > this thread the part where someone discussed how their disk started
> > skipping/losing data at a certain temperature), especially 
> when hard drives
> > are cheap.
> > 
> > Why make things harder than they have to be?
> 
> CDRs are definitly not compatible with the temperatures the inside of
> a car reaches in an arizona summer. (On the other hand, I have NOT had
> any problems YET with normal, factory burned CDs left in the same car,
> same temperatures, no exposure to direct sunlight.)
> 
> The question itching my mind is... which, if any, hard discs are
> compatible with these same temperatures? I have picked up old 5.25
> inch HDs from companies that were "bad", only to reformat them and
> find that they run fine provided they are kept under 80F at their
> surface constantly (this meant mounting a fansink to the drive itself!
> I dont currently use any of these drives, although if I had access to
> many "dead" drives from a large company (drives with many bad
> sectors), I would likely have something like this once again for fun
> (nothing critial to be sure!)
> 
> RNi doesnt use any hard disc in their embed, but the memory technology
> they use isnt exactly compatible with storage of several gigs of MP3
> files either... 
> 
> The question is, will a HD tolerate high temperatures without
> spontaneously degausing itself? The unit itself can be made to NOT
> power up until a peltier element/fansink combination has brought the
> HD, CPU, and other critical components to a reasonable temperature, if
> the unit is to be kept inside an automobile (plenty of power available
> for such things when the alternator is turning...)
> 
> -- 
> jkenner @ mindspring . com__
> I Support Linux:           _> _  _ |_  _  _     _|
> Working Together To       <__(_||_)| )| `(_|(_)(_|
> To Build A Better Future.       |                   <s>
> 
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