[lm-sensors] SMSC Super I/O: unknown chip with ID 0x8902 (was: lm85 in Intel S3000AH case)

Juerg Haefliger juergh at gmail.com
Thu Jan 17 17:37:59 CET 2008


Hi Andrew,


On Jan 14, 2008 6:01 PM, Andrew Voznytsa <andrew.voznytsa at gmail.com> wrote:
> Hi Juerg,
>
> > >
> > > Trying family `SMSC'...                                     Yes
> > >
> > > Found unknown chip with ID 0x8902
> >
> > This is indeed unknown. Can you check the markings on the chip so that
> > we know what we're dealing with? From the product picture my guess is
> > it's the chip in the QFP package close to the IDE connector. It should
> > read something like SMSC xyz.
>
> There is chip marked SMSC SCH-5027D(not sure that D, might be 0)-NW
>
> According to spec which comes with MB it should be SMSC SC-5027D

Can you run
i2cdetect -y 0

...juerg



> Thanks, Andrew.
>
>
> >
> > ...juerg
> >
> >
> >
> > > Probing for Super-I/O at 0x4e/0x4f
> > >
> > > Trying family `National Semiconductor'...                   No
> > >
> > > Trying family `SMSC'...                                     No
> > >
> > > Trying family `VIA/Winbond/Fintek'...                       No
> > >
> > > Trying family `ITE'...                                      No
> > >
> > >
> > >
> > > So is not this unknown chip with ID 0x8902 what is missing to support
> > fans
> > > 5/6/etc?  If yes - could someone drop some light on topic when to expect
> > it
> > > supported?
> > >
> > > Thanks,
> > > Andrew Voznytsa
> > >
> > >
> > >
> > >   _____
> > >
> > > From: Andrew Voznytsa [mailto:andrew.voznytsa at gmail.com]
> > > Sent: Sunday, January 13, 2008 12:28 AM
> > > To: 'lm-sensors at lm-sensors.org'
> > > Subject: lm85 in Intel S3000AH case
> > >
> > >
> > >
> > > Hi guys,
> > >
> > >
> > >
> > > Just installed lm-sensors (2.10.4 and 3.0.0) on S3000AH-based system
> > (Linux
> > > version 2.6.23-gentoo-r3 (root at farm) (gcc version 4.1.2 (Gentoo 4.1.2
> > p1.0
> > >
> > > .2)), x86_64) - works fine except lm-sensors does not show fans 5 and 6.
> > Is
> > > it fixable? (I'd leave my chassis fan connected to 5th socket and do not
> > > reconnect it to 2-4)
> > >
> > >
> > >
> > > Here is part of sensors-detect output
> > >
> > >
> > >
> > >   Detects correctly:
> > >
> > >   * Bus `SMBus I801 adapter at 3000'
> > >
> > >     Busdriver `i2c-i801', I2C address 0x2e
> > >
> > >     Chip `SMSC EMC6D100, EMC6D101 or EMC6D102' (confidence: 7)
> > >
> > >
> > >
> > > And sensors output:
> > >
> > >
> > >
> > > lm85-i2c-0-2e
> > >
> > > Adapter: SMBus I801 adapter at 3000
> > >
> > > V1.5:        +2.29 V  (min =  +0.00 V, max =  +3.32 V)
> > >
> > > VCore:       +1.14 V  (min =  +0.00 V, max =  +2.99 V)
> > >
> > > V3.3:        +3.35 V  (min =  +0.00 V, max =  +4.38 V)
> > >
> > > V5:          +1.51 V  (min =  +0.00 V, max =  +6.64 V)
> > >
> > > V12:        +12.81 V  (min =  +0.00 V, max = +15.94 V)
> > >
> > > CPU_Fan:    1769 RPM  (min =  720 RPM)
> > >
> > > fan2:          0 RPM  (min =  720 RPM)
> > >
> > > fan3:          0 RPM  (min =  720 RPM)
> > >
> > > fan4:          0 RPM  (min =  720 RPM)
> > >
> > > CPU Temp:    -63.0 C  (low  = -127.0 C, high = +127.0 C)
> > >
> > > Board Temp:  +39.0 C  (low  = -127.0 C, high = +127.0 C)
> > >
> > > DIMM Temp:   +29.0 C  (low  = -127.0 C, high = +127.0 C)
> > >
> > > cpu0_vid:   +0.000 V
> > >
> > > Best regards,
> > > Andrew Voznytsa
> > >
> > >
> > >
> > >
>
>




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