Re: [lm-sensors] sensors.conf for DFI LP MI P55-T36 (it8720-*)

[Jean Delvare <khali@linux-fr.org>]

Hi Lars,

On Thu, 24 Jun 2010 08:40:06 +0200, Jean Delvare wrote:
> I was specifically interested in the value of register 0x1f. the lower
> 2 bits control internal routing and scaling of in3 and in7. The IT8720F
> datasheet documents the default value of this register as 0x03, but
> many boards I've see had value 0x01, which isn't correct because in7
> should _always_ be routed internally (the chip has no physical pin for
> in7!).
> 
> The bottom line is that your chip is properly configured and won't be
> affected by the fix I'm working on.
> 
> Also note that you could improve your configuration file by adding the
> following:
> 
>    label  in3  "+5V"
>    label  in7  "5VSB"
>    compute  in3  @ * (6.8/10+1), @ / (6.8/10+1)
>    compute  in7  @ * (6.8/10+1), @ / (6.8/10+1)

Oh, and while we're here, in4 is +12V. This is confirmed by this
snapshot I've found:
http://img19.imageshack.us/img19/6122/dmip55os2.png

The only missing thing is the scaling factor. Apparently it's not the
standard one, otherwise it would read between +10.48 V and +11.32 V on
your system, which is definitely too low.

Is +12V really not displayed in the hardware monitoring section of your
BIOS? This is very surprising.

I suppose you don't have Windows running on your machine for comparison
with the DFI software?

-- 
Jean Delvare

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