Tyan 2462 (ticket #813)

Mark D. Studebaker mds at paradyne.com
Wed Feb 27 04:50:54 CET 2002


thanks for the feedback.
See doc/fan-divisors for an explanation of your fan_div 'peculiarity'
mds


Martin Siegert wrote:
> 
> Hi,
> 
> FYI:
> 
> I just tried what you described at
> http://www2.lm-sensors.nu/~lm78/readticket.cgi?ticket=813
> i.e., I got the CVS version of w83781d
> and compiled it. On the Tyan 2462 (Thunder K7) there is no BIOS option
> to initialize the hardware sensors - they seem to be on always.
> 
> Anyway:
> 
> # modprobe i2c-amd756
> # modprobe i2c-proc
> # modprobe i2c-dev
> # modprobe w83781d init=0 force_subclients=0,0x2c,0x4a,0x4b
> 
> works successfully:
> 
> # sensors -s
> # sensors
> w83627hf-i2c-0-2c
> Adapter: SMBus AMD7X6 adapter at 80e0
> Algorithm: Non-I2C SMBus adapter
> VCore 1:   +1.74 V  (min =  +1.74 V, max =  +1.93 V)       ALARM
> VCore 2:   +1.74 V  (min =  +1.74 V, max =  +1.93 V)       ALARM
> +3.3V:     +3.37 V  (min =  +3.13 V, max =  +3.45 V)
> +5V:       +4.99 V  (min =  +4.72 V, max =  +5.24 V)
> +12V:     +11.17 V  (min = +10.79 V, max = +13.19 V)
> -12V:     -11.88 V  (min = -10.90 V, max = -13.21 V)
> -5V:       -5.61 V  (min =  -4.76 V, max =  -5.26 V)
> V5SB:      +5.44 V  (min =  +4.72 V, max =  +5.24 V)
> VBat:      +2.88 V  (min =  +2.40 V, max =  +3.60 V)
> fan1:        0 RPM  (min = 3000 RPM, div = 2)
> fan2:        0 RPM  (min = 3000 RPM, div = 2)
> fan3:        0 RPM  (min =  750 RPM, div = 8)
> temp1:     +44.0°C  (limit =  +60°C, hysteresis =  +50°C) sensor = 3904 transistor
> temp2:       +36°C  (limit =  +72°C, hysteresis =  +32°C) sensor = 3904 transistor
> temp3:       +34°C  (limit =  +72°C, hysteresis =  +32°C) sensor = 3904 transistor
> vid:      +1.85 V
> alarms:   Chassis intrusion detection                      ALARM
> beep_enable:
>           Sound alarm disabled
> 
> w83782d-i2c-0-2d
> Adapter: SMBus AMD7X6 adapter at 80e0
> Algorithm: Non-I2C SMBus adapter
> VCore 1:   +1.76 V  (min =  +1.74 V, max =  +1.93 V)
> VCore 2:   +2.84 V  (min =  +1.74 V, max =  +1.93 V)
> +3.3V:     +3.40 V  (min =  +3.13 V, max =  +3.45 V)
> +5V:       +4.89 V  (min =  +4.72 V, max =  +5.24 V)
> +12V:      +4.71 V  (min = +10.79 V, max = +13.19 V)
> -12V:      -2.11 V  (min = -10.90 V, max = -13.21 V)
> -5V:       +2.78 V  (min =  -4.76 V, max =  -5.26 V)
> V5SB:      +4.23 V  (min =  +4.72 V, max =  +5.24 V)
> VBat:      +2.91 V  (min =  +2.40 V, max =  +3.60 V)
> fan1:     5273 RPM  (min = 3000 RPM, div = 2)
> fan2:     5192 RPM  (min = 3000 RPM, div = 2)
> fan3:        0 RPM  (min = 1500 RPM, div = 4)
> temp1:     +40.0°C  (limit = +100°C, hysteresis = +127°C) sensor = 3904 transistor
> temp2:       +39°C  (limit =  +72°C, hysteresis =  +32°C) sensor = 3904 transistor
> temp3:       +39°C  (limit =  +72°C, hysteresis =  +32°C) sensor = 3904 transistor
> vid:      +1.85 V
> alarms:   Chassis intrusion detection                      ALARM
> beep_enable:
>           Sound alarm enabled
> 
> Thus, it looks as if I can use the first part (w83627hf-i2c-0-2c) for voltages
> and temperatures and the second part (w83782d-i2c-0-2d) for fan speeds.
> 
> Thanks a lot!
> 
> One minor peculiarity: when I set
> 
>     set fan1_div 1
>     set fan2_div 1
> 
> in /etc/sensors.conf (the 5200 rpm shown above are the actual rpms, thus
> fan_div should be 1) then fan1 shows soemthing around 5200 RPM about
> half the time, the other half it shows 0, whereas fan2 is 0 all the time
> (this applies to the w83782d-i2c-0-2d section). Thus, I must set
> 
>     set fan1_div 2
>     set fan2_div 2
> 
> to get sensible output (ignoring the div setting).
> 
> Cheers,
> Martin
> 
> ========================================================================
> Martin Siegert
> Academic Computing Services                        phone: (604) 291-4691
> Simon Fraser University                            fax:   (604) 291-4242
> Burnaby, British Columbia                          email: siegert at sfu.ca
> Canada  V5A 1S6
> ========================================================================



More information about the lm-sensors mailing list