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fancontrol with with IPMI?
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Cr0t
l33t
l33t


Joined: 27 Apr 2002
Posts: 882
Location: USA

PostPosted: Fri Jan 25, 2013 10:53 pm    Post subject: fancontrol with with IPMI? Reply with quote

My Intel S5000PSL motherboard (S5000.86B.04.00.0066.101220061333) is very loud. lm-sensors/fancontrol is not able to control the fan speed. IPMI is able to read out the speed, but I do not know how to set rpm speed accordingly to temperature.
Code:
17:49:07^root@datastorm:~/Files/iasl > ipmiutil sensor -i 000d -v
ipmiutil ver 2.85
isensor: version 2.85
idx = 0xd
-- BMC version 0.55, IPMI version 2.0
_ID_ SDR_Type_xx ET Own Typ S_Num   Sens_Description   Hex & Interp Reading
000d SDR Full 01 01 20 m 04 snum 51 CPU 2 FAN        = 3d OK   2013.00 RPM
        Entity ID 29.3 (Fan), Capab: arm=man thr=write evts=state
        Volatile lo-noncr 396.00 lo-crit 330.00
        SdrThres lo-noncr 396.00 lo-crit 330.00
        nom 4455.00 nmax 8415.00 nmin 495.00 smax 8415.00 smin 0.00
ipmiutil sensor, completed successfully
17:51:42^root@datastorm:~/Files/iasl > ipmiutil sensor -i 000c -v
ipmiutil ver 2.85
isensor: version 2.85
idx = 0xc
-- BMC version 0.55, IPMI version 2.0
_ID_ SDR_Type_xx ET Own Typ S_Num   Sens_Description   Hex & Interp Reading
000c SDR Full 01 01 20 m 04 snum 50 CPU 1 FAN        = 3b OK   1947.00 RPM
        Entity ID 29.1 (Fan), Capab: arm=man thr=write evts=state
        Volatile lo-noncr 396.00 lo-crit 330.00
        SdrThres lo-noncr 396.00 lo-crit 330.00
        nom 4455.00 nmax 8415.00 nmin 495.00 smax 8415.00 smin 0.00
ipmiutil sensor, completed successfully
17:51:44^root@datastorm:~/Files/iasl >
The FAN speed is controlled via the SDR. The IPMI docs talk about 'snum', but I am not sure ... or if it is even possible to set the SDR through ipmi. (http://ipmiutil.sourceforge.net/docs/UserGuide)

has anyone ever done this?
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