hardware recycling
Christopher Browne
cbbrowne-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Thu Sep 14 03:15:35 UTC 2006
On 9/13/06, Paul Nash <paul-fQIO8zZcxYtFkWKT+BUv2w at public.gmane.org> wrote:
>
> >One concern would be power line voltage. Many computers sold here only
> >run on 120V power. What's the line voltage in Africa?
>
> Most is 220/240VAC at 50Hz, but varies between 0 and 11kV, depending on
> where you are. 12V is common (recycled car batteries) in rural areas.
I'd be curious as to the relative merits of elder versus newer systems
in view of the issue of power consumption. The power troubles both
here and in California over the last few years has led to considerable
interest in computer systems that have lower power consumption.
An interesting recent release: Movidis.com is selling systems based on
the OCTEON™ CN3860, a 16-core, 64-bit MIPS processor. It runs Linux,
specifically Debian, which strikes me as the ideal choice for this, as
it gives them a wide scope of software without the need for Movidis to
sponsor yet another obscure Red Hat variation that'll quickly turn to
crud (as happened with the Cobalt Qube...)
At any rate, one of the claimed merits to this system is that it gives
you a LOT of megahertz of processing power at a power cost of only 50
watts.
--
http://www3.sympatico.ca/cbbrowne/linux.html
Oddly enough, this is completely standard behaviour for shells. This
is a roundabout way of saying `don't use combined chains of `&&'s and
`||'s unless you think Gödel's theorem is for sissies'.
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