i801 bus problems

ivo ovis at thecourtofeden.org
Fri Sep 3 18:36:47 CEST 2004



WOOOHOOO

sensors
lm85-i2c-0-2e
Adapter: SMBus I801 adapter at d800
V1.5:       +1.51 V  (min =  +0.00 V, max =  +3.32 V)
VCore:      +1.30 V  (min =  +0.00 V, max =  +2.99 V)
V3.3:       +3.28 V  (min =  +0.00 V, max =  +4.38 V)
V5:        +5.10 V  (min =  +0.00 V, max =  +6.64 V)
V12:      +12.00 V  (min =  +0.00 V, max = +15.94 V)
CPU_Fan:   2186 RPM  (min =    0 RPM)
CPU:         +47 C  (low  =  -127 C, high =  +127 C)
Board:       +38 C  (low  =  -127 C, high =  +127 C)
Remote:      +37 C  (low  =  -127 C, high =  +127 C)
CPU_PWM:    77
Fan2_PWM:   77
Fan3_PWM:   77
vid:      +1.850 V    (VRM Version  9.1)


i did

modprobe i2c-i801
modprobe lm85 force=0,0x2e

together with mounting /sys
All my servers i made with 2.6.x only my workstation was upgraded from
2.4.x to 2.6.x so i never missed /sys until today ;)


this is great many thanks

ovis


On Fri, 3 Sep 2004, Jean Delvare wrote:

> > Confirmed  SMSC EMC6D103 !!!!
> >
> > on a photo of the mobo on the web there was a
> > ADM1027
>
> Since both chips are compatible, I guess intel use whatever they have at hand
> at the moment.
>
> Anyway the story is quiet easy to understand now.
>
> 1* The "no response" errors in the logs are for the other possible addresses
> of LM85-compatible chips (0x2c and 0x2d). That's not what your chip uses so
> the bus cannot read from these addresses. Nothing wrong.
>
> 2* The lm85 driver in Linux 2.6 doesn't support SMSC chips, although the 2.4
> driver does. Using force=0,0x2e should work in the meantime. The original post
> suggests you tried and it didn't, but the log right after that says "found
> normal i2c entry for adapter 0, addr 2e" so I doubt it worked, you must have
> missed something. Just try again.
>
> At some time, the SMSC support should be ported from the 2.4 driver, and
> extended to the 103 and maybe 102 as well if they are compatible (and they
> seem to be but I don't know the LM85 family that good).
>
> --
> Jean Delvare
> http://khali.linux-fr.org/
>
>



More information about the lm-sensors mailing list