[lm-sensors] Tyan Thunder K8W S2885

[salahx@yahoo.com (Salah Coronya)]

don fisher wrote:
> Hello,
> 
> The Tyan S2885 contains an ADT7463 monitor IC and a Winbond W83627hf
> SuperIO chip. The BIOS displays 3 temperatures, 6 fan speeds, VCORE
> AND DIMM voltages for each CPU and 4 more voltages on the board )(8
> voltages total).
> 
> Since the ADT chip, depending on configuration, has just 4 tach inputs
>  and it appears less than 8 voltage inputs I have assumed the
> W83627h7 is also being employed (the user manual indicates fan 5 is
> pin 113 and fan 6 is connected to pin 112).
> 
> When I run sensors-detect both devices, along with the eeprom, are
> detected.
> 
>     Probing for `SPD EEPROM'... Success!
>     (confidence 8, driver `eeprom')
> 
>   * Bus `SMBus AMD8111 adapter at 50e0' (Algorithm unavailable)
>     Busdriver `i2c-amd756', I2C address 0x2e
>     Chip `Analog Devices ADM1027, ADT7460 or ADT7463' (confidence: 8)
> 
>   * ISA bus address 0x0290 (Busdriver `i2c-isa')
>     Chip `Winbond W83627HF Super IO Sensors' (confidence: 9)
> 
> When I execute sensors, all of my dram chips are listed followed by
> the output from adt7463-i2c-0-2e.
> 
> There is no output from the W83627hf device. I build a kernel with
> embedded device drivers, with no change. I even forced the ISA bus
> back on with no positive results (I realize ISA is mapped memory, but
> when I did a depmod on the W83627hf driver, the isa bus was not
> listed. It was a long shot).
> 
> How do I do to have sensors generate output from both chips. I can
> deduce from the corresponding BIOS readings what the voltages etc.
> correspond to.
> 
> Thanks
> don
> 

I had this problem too, turns out the problem was PNPACPI. Try adding 
"pnpacpi=off" to the kernel command line (or not compiling it and using 
PNPBIOS instead) and see if that fixes it.