[lm-sensors] AMD K8 digital temperature sensor

David Hubbard david.c.hubbard at gmail.com
Fri Jul 7 17:59:45 CEST 2006

Hi Rudolf,

> After new specs was released. I discovered that even older AMD K8 have digital
> temperature sensor.
> http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/32559.pdf
> (page 177)
> I created a device driver for that
> http://assembler.cz/download/amd_digital_temp.tar.gz
> You need to have AMD K8, up to four different temps can be monitored
> two in one core...
> The driver will create new hwmon device. No userspace support yet.
> If someone with dual core would test it - I'm interested in results.
> cat /sys/class/hwmon/hwmon1/device/temp*
> ls /sys/class/hwmon/hwmon1/device/temp*
> cat /proc/cpuinfo

I'll attempt to apply this to my kernel tonight. I have an Athlon 64
X2, so I can give you dual-core results. The temperatures reported by
the W83627EHF have puzzled me, because I thought I was getting two
readings from the CPU. Why is that?

> (replace 1 with correct number please)
> "Many thanks" goes to Jean, helping me a lot hunting nasty bugs ;)


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