On Sun, 9 Jul 2006 17:20:19 +0100, you wrote:
Er Derrick
I know that as I teach electronics but using your figures I was
demonstrating...... how wrong one can be without checking first.
But even so with your 1.5v @ 100A = 150w
>Er Hugh,
>
>You not quite got your sums right !!
>
>On Sunday 09 July 2006 15:34, Hugh Gundersen Inscribed Thus:
>> On Sun, 9 Jul 2006 14:26:19 +0100, you wrote:
>> >In the case of exploding caps on mainboards, I don't think the
>> >manufacturer took into account the enormous amount of current that
>> >these caps had to cope with ! I know that there is getting on for a
>> >hundred amperes flowing in those CPU power supply circuits. It
>> >definitely is not a voltage rating problem since there is only 5
>> > volts DC maximum.
>>
>> Well as you say and 80W CPU @ 5v = 16A
>> and 180W @ 5v = 36A
>
>I agree your figures at 5 volts ! Now do the same at 1.3 or 1.4
>volts !!
>
>> So to get your 100A the CPU must be drawing 500W which is more than
>> most Power supplies can muster at the best of times. Oops!
>>
>>
>> Sir Hugh of Bognor
>
>--
>Best Regards:
> Derrick.
> Pontefract Linux Users Group.
> plug at play-net.co.uk
Sir Hugh of Bognor
--
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