--------------------------------------------------
From: "Guenter Roeck" <guenter.roeck@xxxxxxxxxxxx>
Sent: Saturday, February 05, 2011 8:15 PM
To: "Andrea Rizzolo" <andrea.rizzolo@xxxxxxxxx>
Cc: <lm-sensors@xxxxxxxxxxxxxx>
Subject: Re: Standalone driver for W83677HG-I,
NCT6775F,NCT6776F
On Sat, Feb 05, 2011 at 02:00:09PM -0500, Andrea Rizzolo wrote:
hi,
thank you very much, here on intel DH57JG it works. `sensors` output:
nct6775-isa-0680
Adapter: ISA adapter
in0: +0.93 V (min = +0.00 V, max = +1.74 V)
in1: +0.78 V (min = +0.00 V, max = +0.00 V) ALARM
in2: +3.41 V (min = +0.00 V, max = +0.00 V) ALARM
in3: +3.41 V (min = +0.00 V, max = +0.00 V) ALARM
in4: +1.26 V (min = +0.00 V, max = +0.00 V) ALARM
in5: +0.78 V (min = +0.00 V, max = +0.00 V) ALARM
in6: +1.06 V (min = +0.00 V, max = +0.00 V) ALARM
in7: +3.36 V (min = +0.00 V, max = +0.00 V) ALARM
in8: +3.30 V (min = +0.00 V, max = +0.00 V) ALARM
fan1: 0 RPM (min = 0 RPM, div = 2) ALARM
fan2: 0 RPM (min = 0 RPM, div = 2) ALARM
fan3: 0 RPM (min = 0 RPM, div = 2) ALARM
fan4: 0 RPM (div = 2) ALARM
temp1: +31.0°C (high = +0.0°C, hyst = +0.0°C) ALARM sensor =
diode
temp2: +32.0°C (high = +80.0°C, hyst = +75.0°C) sensor = diode
temp3: +23.0°C (high = +80.0°C, hyst = +75.0°C) sensor =
thermistor
cpu0_vid: +2.050 V
Hi Andrea,
excellent - that matches the output I get. Now all we have to do is to
match the values
to actual voltages. in2 and in3 match the 3.3V seen in the BIOS, but for
the others
I have no idea.
Thanks,
Guenter
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Hi,
Not bad, the results look almost the same as the standalone "hack" driver
for the n6776 I'm working on, looks as if I can stop now. The only thing I'm
seeing is that on fan headers where no fan is attached I'm seeing 164RPM.
The NCT6776F seems to use a 13-bit counter for the fans. The RPM formula is
RPM = 1.35e6 / count. The value 1.35e6 value might come from a 22.5 kHz
counter. Now if the counter reaches the maximum value, which is 8191 for a
13-bit counter, we get exactly an RPM of 164.815041.
nct6776-isa-0290
Adapter: ISA adapter
in0: +1.18 V (min = +0.95 V, max = +1.26 V)
in1: +1.02 V (min = +0.90 V, max = +1.20 V)
in2: +3.36 V (min = +3.01 V, max = +3.50 V)
in3: +3.34 V (min = +3.01 V, max = +3.50 V)
in4: +1.03 V (min = +1.00 V, max = +1.10 V)
in5: +2.04 V (min = +1.90 V, max = +2.00 V) ALARM
in6: +0.80 V (min = +0.77 V, max = +0.90 V)
in7: +3.42 V (min = +3.01 V, max = +3.50 V)
in8: +3.30 V (min = +3.01 V, max = +3.50 V)
fan1: 530 RPM (min = 0 RPM) ALARM
fan2: 1030 RPM (min = 0 RPM) ALARM
fan3: 164 RPM (min = 0 RPM) ALARM
fan4: 784 RPM (min = 0 RPM) ALARM
fan5: 164 RPM (min = 0 RPM) ALARM
temp1: +23.0°C (high = +35.0°C, hyst = +37.0°C) sensor =
thermistor
temp2: -60.0°C (high = +50.0°C, hyst = +55.0°C) sensor = diode
temp3: +37.0°C (high = +50.0°C, hyst = +55.0°C) sensor =
thermistor
cpu0_vid: +2.050 V
Regards
Ian Dobson
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