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