Hi all,
on my new Lenovo laptop only the sensors for CPU temperature have been
found, but the fan not. What can I do?
Here is the interesting part of the output of "sudo sensors-detect":
# sensors-detect revision 6254 (2014-09-10 21:18:25 +0200)
# System: LENOVO 20421 [Lenovo S20-30] (laptop)
# Board: LENOVO Edonis 2A1
# Kernel: 3.16.2-1-ARCH x86_64
# Processor: Intel(R) Celeron(R) CPU N2830 @ 2.16GHz (6/55/8)
[...]
Intel digital thermal sensor... Success!
(driver `coretemp')
[...]
Probing for Super-I/O at 0x4e/0x4f
Trying family `National Semiconductor/ITE'... Yes
Found unknown chip with ID 0x8528
[...]
Found unknown SMBus adapter 8086:0f12 at 0000:00:1f.3.
Sorry, no supported PCI bus adapters found.
Next adapter: i915 gmbus ssc (i2c-0)
Next adapter: i915 gmbus vga (i2c-1)
Next adapter: i915 gmbus panel (i2c-2)
Next adapter: i915 gmbus dpc (i2c-3)
Next adapter: i915 gmbus dpb (i2c-4)
Next adapter: i915 gmbus dpd (i2c-5)
Next adapter: DPDDC-B (i2c-6)
Next adapter: DPDDC-C (i2c-7)
[...]
Driver `coretemp':
* Chip `Intel digital thermal sensor' (confidence: 9)
Until now I only found out, that the fan mode can be changed by
echo
'X'>/sys/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/fan_mode
where X defines the fan cooling mode, i.e X can be one of the following
possibilities:
1 = interval cooling
2 = regulate fan speed depending on temperature.
Kind regards,
Raimar
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