Hi, On Wed, Dec 21, 2011 at 09:50:31AM -0500, Harald Judt wrote: > Hi, > > > On Tue, 12 Apr 2011 19:02:19 +0200, Ian Dobson wrote: > >> Hi, > >> > >> -------------------------------------------------- > >> From: "Mike Campin" <lm_sensors at ootsa.homelinux.net> > >> Sent: Sunday, April 10, 2011 6:04 PM > >> To: <lm-sensors at lm-sensors.org> > >> Subject: NCT6776 global registers 0x1c=0 and 0x24=0x5c onASRock > >> Extreme4 > >> > >> > Hi, > >> > > >> > Only 2 of the 5 fans are showing up on my ASRock P67 Extreme4 motherboard. > >> > It due to the NCT6776 global configuration register 0x1c and 0x24 values. > >> > The fans work if I modify these registers prior to loading the w83627ehf > >> > driver. > >> > > >> > My question is where are these registers initialized? Should I ask ASRock > >> > to fix the BIOS? > >> > > >> > isadump -y -k 0x87,0x87 0x2e 0x2f > >> > > >> > 0 1 2 3 4 5 6 7 8 9 a b c d e f > >> > 00: ff ff 00 ff ff ff ff 02 ff ff ff ff ff ff ff ff > >> > 10: ff ff ff ff ff ff ff ff ff ff f8 0e 00 00 ff ff > >> > 20: c3 33 ff 00 5c 00 00 98 00 ff 20 00 80 00 00 01 > >> > 30: 00 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > >> > > >> > isaset -y -f 0x2e 0x87 > >> > isaset -y -f 0x2e 0x87 > >> > isaset -y 0x2e 0x2f 0x1c 0x3 > >> > isaset -y 0x2e 0x2f 0x24 0x1c > >> > > >> > Thanks, Mike > >> > > >> > -- > >> > Mike Campin > >> > lm_sensors at ootsa.homelinux.net > >> > > >> > _______________________________________________ > >> > lm-sensors mailing list > >> > lm-sensors at lm-sensors.org > >> > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors > >> > >> ASRock designed the board, so they should setup the hardware monitoring chip > >> correctly. Allowing users to change the chip configuration is a really bad > >> idea, as many of the pins can have different functionality/electrical > >> spcifications depending on the config. Setting up a pin incorrectly could > >> blow the chip (Configuring a pin so that it's a source that's connected to > >> an unprotected/limited sink for example). > >> > >> So ASRock should fix the BIOS. > > > > Seconded. But before flaming Asrock, two things worth checking: > > * Availability of a BIOS update fixing the issue. > > * Options in the BIOS to enable/disable the monitoring of specific > > fans. I can imagine that the BIOS skips the configuration steps for > > fans for which monitoring was disabled (although that would probably > > mean more code than just doing it unconditionally...) > > > > -- > > Jean Delvare > > I own an Asrock P67 Extreme4 too and have the same problem. It can be > solved by following Mike Campin's instructions, which I successfully > incorporated into /etc/init.d/lm_sensors. There is no BIOS available > that fixes this issue, but I noticed that SpeedFan for Windows > (www.almico.com/speedfan.php) seems to do something similar, otherwise > it would show only 2 fans too. So maybe we could get that into > lm_sensors, even if the BIOS is at fault here? > See above ... worst case this can result in defective hardware if misconfigured. We could possibly introduce some kind of module parameter, but I don't feel too comfortable with that - wrong values may still blow up the hardware. Any opinions, anyone ? Guenter _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
