G5 fans

Mark Millard marklmi at yahoo.com
Mon Oct 29 22:02:22 UTC 2018


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 >


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 >

> 
> 
>> 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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