Tyan 2462 (ticket #813)

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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
========================================================================



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