Re: computer power supply

Hi,
The 5 volt line is Black and Red. Put a 6volt light bulb across
that or a 100 ohm resistor. You have to LOAD the 5V on those old
supplies. That supply is most likely a 150watt unit. I don't think
the 12V line will be more than 4amp.Does it have any writing on it?

Bob

--- In CAD_CAM_EDM_DRO@y..., Area51tats@a... wrote:
> I am using a Packard Bell power supply model pb150. I know I know
it is
> older then dirt but it should work for this project. I have tried
putting
> resistors across the black and yellow leads and the fan motor spins
but slows
> down almost immediatly. I tried differnet sized resistors from 100
ohm to 470
> k and it didnt seem to make a difference in how long the fan spun.
Am I
> doing something wrong?
>
> Gerald
> Iowa