Wrong voltage values LM78

Mark Studebaker mds at paradyne.com
Wed May 15 21:50:53 CEST 2002


where are you getting these values?
directly from the chip?

or using our Linux package?

If directly from the chip, look at the datasheet.

PC104 PC104 wrote:
> 
> Hi,
> 
> I m working on a school project about system health monitoring. I m
> trying to read the voltages, temperature and fanspeeds from the LM78
> chip. But I get strange values for voltages. I read about some
> conversions. But I still can't figure out the way to convert these
> values. I get these digital readings:
> 
> core 1 = 187
> core 2 = 205
> +3.3V  = 191
> +5V    =  93
> +12V   =  93
> -12V   =  182
> -5V    =  255
> 
> can you help me with these please...
> 
> Thanks
> Easen.



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