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From: Steve Sipe (no email)
Date: Wed Feb 01 2006 - 15:42:55 EST
Elliott Bray wrote:
> I have been intrigued by the car computer offerings for some time but
> haven't invested as yet.
>
> INFORMATION:
> I went back to look at the power supply and DC-DC options that are
> available.
> They now have a new 160w power supply fed by the automobile 12v system that
> has all the protection features we would need.
> http://www.logicsupply.com/product_info.php/products_id/504
>
> Seems like a conditioned DC circuit on the boat would be pretty easy.
>
> Slightly different tack (note the sail talk...)
> >From my research on most of the mini-ITX motherboards, they aren't in the
> class a full-blown Nobeltec system wants. However, I'm running 6.5 with a
> 500mhz PIII on a Dell Optiplex 110 and don't have any problem with
> performance.
>
> QUESTIONS to any build it yourself computer folks out there:
>
> 1) How difficult would it be to replace the power supply of a normal Dell
> (or any brand) desktop
> With the above? I can see the output specs from their docs but can't fine
> the pin-outs for normal sized machines.
>
> 2) Can you tell if any of the P4 offerings are comparable to a full-sized
> machine?
>
> Thanks
>
>
> ****************
> Elliott Bray in winterquarters in Austin, Tx
> M/V Letitia - Gulfstar 44 MC
> Resting on Pickwick Lake
> *************
>
Elliot,
Seems the 160w may be a bit shy for the typical desktop computer.
Starving it for power would create problems with the P4, with any
additional drives (CD, HD) or other power-consuming peripherals, I doubt
if the 12v PSU you linked would pass muster. From what I could see from
the website, it may not be able to power the drives. Even the most basic
computers using a P4 board have a 200w power supply. Why not just power
the computer from an inverter and use a UPS to take up the slack when
the inverter switches? The UPS wouldn't need to power the system for
very long, so it wouldn't need to be exceptionally large (or costly).
Could be had for less money than the 12v PSU. If power consumption is a
concern, ANTEC and other higher-end PSU's are available in
higher-efficiency models that generate less heat (wasted power).
I'll add the caveat that I'm not an IT professional, but I've built a
lot of (way too many, according to someone higher up on the chain of
command) computers, and have had best success with the Antec product line.
Steve
Notacruiseryet
On Call
35' Carver still not selling
On the hard - Upper Chesapeake!
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