Re: [Etherboot-developers] secrets behind symbol, INCLUDE_LANCE ?

[Ken Y. <ke...@nl...>]

|Don't know, but I hope there is some ethernet signal, analogous to rs232
|data-set-ready or clear-to-send,  that says something is plugged into the
|port thus implying logical clear-to-send. I was thinking of checking that
|signal and doing as you suggest with the absence of dhcp responses.

With some 10/100-Base-T controllers it might be possible to detect
missing carrier. In other cases it's indistinguishable from loss of
packets.