[simpits-tech] at style power supplies

[Marv De Beque]

The reason for the load is due to the type of power supply.

Computers use a switcher power supply and they must have a load on them 
to work.

The older linear power supplies (such as those found in stereos and 
radios) do not require a load to operate, however, linear power supplies 
use more power and generate more hear than switchers.

Switchers also generate more electronic noise than a linear supply, but 
are very efficient and do not require the large heavy transformer.

Marv

On Sunday, January 27, 2002, at 10:00 AM, Roy Coates wrote:

> On Sun, 27 Jan 2002, paul needham wrote:
>
>>
>> Can I run a AT style power unit without it being connected to a mother
>> board , I don't want to damage it , or have it not run because it 
>> detects
>> power good through the M/B.
>>
>> I it detects power good throught the M/B can I fool it into running by
>> connecting a resistor between 2 pins ?
>>
>
> I seem to recall you can use a PC supply provded it has a permanent load
> connected to it - I'm sure someone else on the list has more info 
> though.
>
> Roy.
>
>
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