On Sun, Feb 06, 2011 at 06:59:40AM -0500, Ian Dobson wrote: > > > -------------------------------------------------- > From: "Jean Delvare" <khali@xxxxxxxxxxxx> > Sent: Sunday, February 06, 2011 11:00 AM > To: "Guenter Roeck" <guenter.roeck@xxxxxxxxxxxx> > Cc: "Andrea Rizzolo" <andrea.rizzolo@xxxxxxxxx>; <lm-sensors@xxxxxxxxxxxxxx> > Subject: Re: Standalone driver for W83677HG-I, NCT6775F, > NCT6776F > > > On Sun, 6 Feb 2011 10:56:29 +0100, Jean Delvare wrote: > >> As for the other chips in this family, in2, in3, in7 and in8 are > >> internal voltages so their mapping and scaling is fixed. The pin names > >> also strongly suggest connecting Vcore to in0, and I've never seen a > >> board manufacturer diverge from this. So you can start with the > >> following config statements: > >> > >> chip "nct6775-*" "nct66776-*" > > > > Err, typo here of course, I meant: > > > > chip "nct6775-*" "nct6776-*" > > > > Sorry. > > > >> > >> label in0 "Vcore" > >> label in2 "AVCC" > >> label in3 "+3.3V" > >> label in7 "3VSB" > >> label in8 "Vbat" > >> > >> set in2_min 3.3 * 0.90 > >> set in2_max 3.3 * 1.10 > >> set in3_min 3.3 * 0.90 > >> set in3_max 3.3 * 1.10 > >> set in7_min 3.3 * 0.90 > >> set in7_max 3.3 * 1.10 > >> set in8_min 3.0 * 0.90 > >> set in8_max 3.0 * 1.10 > >> > >> This leaves only 4 voltage inputs to configure, presumably for +5V, > >> +12V, and possibly 5VSB and Vdimm. Check the labels and values in the > >> BIOS (write them all down if they fluctuate) and maybe we can figure it > >> out. > >> > > > > > > -- > > Jean Delvare > > > > _______________________________________________ > > lm-sensors mailing list > > lm-sensors@xxxxxxxxxxxxxx > > http://lists.lm-sensors.org/mailman/listinfo/lm-sensors > > OK looking in the specs on the w83627ehf bank0 3b-3f are the minimum fan > speeds, on the n6776f they're not defined. > > There appears to be a dual usage register "CPUFAN MODE Register / CPUFAN > TOLERRANCE Register - Index 02h (Bank 2)" and the actual limit is readable I should have that one already, and read it with nct6775_update_pwm(). > in (CPUFANIN) Fan Count Limit High-byte Register - Index 3Ch (Bank 6), but > that's read only. Maybe it's better if we handle the fan lo limit within the > driver rather than through the chip. > Wonder if that is really read-only. There are also registers 0x105/0x205/0x305, "Stop Value Register". Naming is odd, but the description seems to be what we are looking for, at least for thermal cruise mode. There is also the "Start-up value register", which is the fan's start speed in thermal cruise mode. Thanks, Guenter _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
