Help needed with special ethernet config

greg cookgreg cook
Posted:
in macOS edited January 2014
I have an old Powerbook G3 (bronze keyboard) that has a

problem with its ethernet. It works in at 10Mb/s but not

at 100Mb/s. Under OS9, I got around this problem by using

the "Apple Ethernet Speed and Duplex Tool" to force the

ethernet device to 10/HalfDuplex. I'd like to try running

OSX on this machine. However, I haven't yet found a way to

do the same thing under OSX. I suspect that either sysctl

or ifconfig could do the trick, but I haven't found enough

detailed info to figure out a fix.



Does anyone know how I can force (in software) the ethernet

not to Auto Negotiate but to choose 10/HalfDuplex mode?



Does anyone know where I can find additional info on the

various arguments that sysctl takes? Same for ifconfig.



Any help would be appreciated.



Thanks



Greg
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