>At 21:47 +0000 on 25/08/01, [EMAIL PROTECTED] wrote:
>
>>BUT, watch that wattage/current requirements on that HD! the PSU in
>>LC series is bit under 30W and most of it is given over to
>
>Not all of 'em. Apple claims 20-something for the Q605, but claims 47W for
>some of the other LC-class machines.
>
>I can't think of why they would have bothered to mess with the PS once they
>had a good one, but whatever. To know for sure, take the top off and look
>at the power supply yourself. That's the only way to know what your PS's
>capacity is for certain.
Also sometimes a rating you see may be the AC input power VA (Volt Amperes)
rating as opposed to the DC output power rating in Watts (W). The
difference is is partly the efficiency of the PS and partly a thing called
the Power-Factor. I'm not going to get into the difference but suffice it
to say that the input power rating will always be higher than the output
power rating. Also if you figure the power rating based on the rated
current input times voltage it can be even higher as the current rating is
sometimes the peak value which only occurs at power supply startup. It may
also include current to the monitor plug.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
[EMAIL PROTECTED]
"I'm a designated driver on the Information Super Highway"
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