[lm-sensors] 5VSB computing on it87

Jean Delvare khali at linux-fr.org
Mon May 11 10:55:07 CEST 2009

On Mon, 11 May 2009 10:07:30 +0200, Mr. Tux wrote:
> My Foxconn A7GM-S keep showing the wrong Voltage of 5VSB sensor.
> This one shows up in BIOS as well, so it is connected and should indicate about 5.02V
> But 'sensors' with it87 module loaded keeps showing 6.85V - how to change the compute
> line in order to get the 5.02V?
> At the moment the compute line is the default:
> compute in7  ((6.8/10)+1)*@ , @/((6.8/10)+1)

I can't help but notice that 6.85 == ((6.8/10)+1)*4.08. The IT87xxF
chips have a 4.08V DAC, meaning that this input channel is saturated.
Thus I pretty much doubt it corresponds to your 5VSB line.

Jean Delvare

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