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The load from Cyberguys may be a 25 Watter, I can't tell from the photo. The
5.4 Ohm would work on the 5V line. The design of the power supplies requires
a load on the 5V line only. The +/- 12V & -5V lines are controlled by the 5V
line so they don't need a load to regulate them. I have an AT supply running
at home with a PC-104 CPU board on it. I "obtained" a 5 Ohm, 25 W resistor
from my former employer. The 12V lines and -5V stay well within tolerance
with no loads on them.
YMMV,
Tom
On Thursday 16 January 2003 15:53, Paul wrote:
> So, a push-button switch, debounce IC, ATX power supply, and one or more
> hard drives would make a happy family, huh? Hey, if there's a market
> for adapting ATX cases to run without mobos, I'll start producing the
> devices.
>
> The 5W, 5ohm sounds right for 5V. The pre-made testers seem to use a
> 5.4ohm, 25W resistor. Sounds like they are using it on a 12V line.
> (Isn't 25W too low, especially if it's encased? My calculations
> suggest a 26.67W resistor. )
>
<snip>
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