Ticket 714

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You're right, it is a special address.
The SMBus spec calls it the 'general call address'
to be used for 'emergency messages'.
Presumably you could send a message to 0x00
but would not want to do a read from it...

phil at netroedge.com wrote:
> 
> Isn't '0x00' the host (or another host if more than 1 is on the same
> bus, which is illegal I think)? I forgot... I'd have to dig out the
> Philips docs to be sure.
> 
> Phil
> 
> On Fri, Nov 09, 2001 at 07:57:50PM -0500, Mark D. Studebaker wrote:
> > I agree. I've never heard of a device at 0x00 before,
> > it is probably something ill-behaved.
> >
> > 'i2cdetect 0' will list the devices that are present, but
> > we already know from the sensors-detect output that there is
> > something at 0x00.
> >
> > 'i2cdump 0 0' will list the registers in the device at 0x00.
> > And you say when it gets to address 0x2d in device 0x00 the ethernet
> > dies? very very strange.
> >
> > Let us know what the ethernet datasheet says...
> >
> > mds
> >
> >
> >
> >
> > Rick F Nicholson wrote:
> > >
> > > I added the "LM75" to the mix just because it had been detected. I normally loaded
> > > just "i2c-viapro" and "w83781d".
> > >
> > > I think your comment about something else on the i2c bus being ill-behaved is
> > > relevent. The onboard network drops out consistantly  when a "Bus Collision"
> > > occurs.
> > >
> > > Also tried just the "i2c-isa" and got the same results.
> > >
> > > rfn
> 
> --
> Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR
>    phil at netroedge.com -- http://www.netroedge.com/~phil
>  PGP F16: 01 D2 FD 01 B5 46 F4 F0  3A 8B 9D 7E 14 7F FB 7A



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