G5 fans

Michael Tuexen tuexen at freebsd.org
Mon Oct 29 22:06:39 UTC 2018


> On 29. Oct 2018, at 23:02, Mark Millard <marklmi at yahoo.com> wrote:
> 
> On 2018-Oct-29, at 11:38 AM, Michael Tuexen <tuexen at freebsd.org> wrote:
> 
>> On 29. Oct 2018, at 02:10, Mark Millard <marklmi at yahoo.com> wrote:
>> 
>>> On 2018-Oct-28, at 5:31 PM, Koakuma via freebsd-ppc <freebsd-ppc at freebsd.org> wrote:
>>> 
>>>> Hi Michael,
>>>> 
>>>> The first command failed to run for me.
>>>> 0 > dev u3/i2c/fan can't find device u3/i2c/fan ok
>>>> 
>>>> Looking at the output of 'dev / ls', there's several devices named
>>>> "fan" under /smu at 0,0/fans at 4a00/*, but running the " .status" command
>>>> on those devices gave me this error:
>>>> 0 > " .status" " /smu at 0,0/fans at 4a00/fan at 0" open-dev $call-method
>>>> Method <.status> not found; ihandle=ffb352c0 phandle=ff99ee00
>>>> ok
>>>> 
>>>> This is on a PowerMac11,2, 2 GHz "dual-core" model.
>>> 
>>> A so-called G5 "Quad Core" suggests something similar
>>> for finding fans when looked at via ofwdump:
>>> 
>>> # ofwdump -pr /smu/fans | less
>>> Node 0xff99f698: fans
>>> name:
>>>  66 61 6e 73 00 
>>>  'fans'
>>> . . .
>> Thanks a lot.
>> 
>> Could you run
>> 
>> " .status" " /smu at 0,0/fans at 4a00/fan at 0" open-dev $call-method
>> in /smu at 0,0/fans at 4a00 from OpenFirmware?
>> 
> 
> On a so-called "Quad Core" I got the same sort of result
> that has already been reported for 11,2 dual-core,
> transcribed from a picture:
> 
> 0 > dev /smu at 0,0/fns at 4a00/fan at 0 ok
> 0 > " .status" " /smu at 0,0/fns at 4a00/fan at 0" open-dev $call-method
> Method <.status> not found; ihandle=ffb30700 phandle=ff99fbb0
> ok
> 0 >
OK. Thanks for trying.
> 
> 
> As for the dual processor (not dual-core) 7,2
> the output was: (transcribed from a picture,
> indentation not preserved)
> 
> 0 > dev u3/i2c/fan  ok
> 0 > " .status" " u3/i2c/fan" open-dev $call-method 
> 
> FCU Version 4.0.2f3
> 
> Failed RPM Channel(s): None
> Available RPM Channel(s): 1 2 3 4 5 6
> Active RPM Channel(s): 2 3 4 5 6
> 
> Failed PWM Channel(s): None
> Available PWM Channel(s): 1 2
> Active PWM Channel(s): 1 2
> 
> Processor A Intake Fan (RPM3): 1449 RPM
> Processor A Exhaust Fan (RPM4): 1499 RPM
> Processor B Intake Fan (RPM5): 1449 RPM
> Processor B Exhaust Fan (RPM6): 1499 RPM
> U3 Zone Fan (PWM1): 2054 RPM
> PCI Zone Fan (PWM2): 2093 RPM
> Drive Bay Fan (RPM2): 1499 RPM
> ok
> 0 >
Great. Thank you!

Best regards
Michael
> 
>> 
>> 
>>> On Sun Oct 28 22:02:15 UTC 2018, Michael Tuexen <tuexen at freebsd.org>
>>> wrote:
>>>> Dear all,
>>>> 
>>>> if you have access to a G5 Powermac, could you provide the output of the
>>>> following command from the OpenFirmware prompt:
>>>> 
>>>> dev u3/i2c/fan
>>>> " .status" " u3/i2c/fan" open-dev $call-method
>>>> 
>>>> I'm interested in the RPM channels which are reported as Failed/Available/Active.
>>>> Please provide also some information what kind of PowerMac G5 it is.
>>>> 
>>>> Thanks for your help.
>>> 
>> 
> 
> 
> ===
> Mark Millard
> marklmi at yahoo.com
> ( dsl-only.net went
> away in early 2018-Mar)
> 



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