[lm-sensors] About fancontrol: I could not control the CPU fan speed

[Yongkui Han]

Hi Rudolf,

Thank you very much for your instructions. I am busy these days. I will do
as you say later and let you know the results later.

Sorry for the late response. Thank you very much!

Yongkui


On 11/11/06, Rudolf Marek <r.marek at assembler.cz> wrote:
>
> Hi Yongkui
>
> >        0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f
> > 0800: 00 00 00 00 38 f7 77 bf a0 00 00 00 00 00 00 00
> > 0810: 02 00 77 df ca 00 00 00 00 00 00 00 00 00 02 00
> > 0820: 00 00 00 81 81 81 81 80 01 01 80 80 80 80 00 80
> > 0830: 80 80 84 05 05 04 04 05 04 84 84 04 04 84 80 05
> > 0840: 05 05 04 05 04 05 04 81 80 00 00 f7 77 1d 08 57
> > 0850: 02 00 00 00 ff ff 10 7f f0 26 ff 00 00 00 00 00
>
> Is this dump done before you loaded the driver?
>
> Fan2 is set to fullspeed (bit 0 is 1)
> Fan1 is set to some speed 001000 -> 8/64 of duty cycle
>
>
> > So, the register 0x58 is f0, which is 11110000. But I am not sure
> > whether the Bit 0 is from left or right. I assume it is from right. So
> > Bit 0 to Bit 3 = 0, and Bit 4 to Bit 7 = 1.
>
> Bits are from right.
>
> > Accoring to Table 57 on page 118 of the manual, this means the Fout is
> > 15.625 kHz?
>
> Yes seems correct to me.Please write there 80/120Hz so:
>
> isaset -y -f 0x858 0xff
>
> Is there a change in pwmconfig curve?
>
> Regards
> Rudolf
>
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