[geeks] Seeking network direction.

[Sridhar Ayengar]

der Mouse wrote:
>> Also, what is the relationship between AUI, AAUI, MII, and the phy
>> chip on a embedded design that seems to say it speaks MII?
> 
> I'm not very sure.  AUI is the interface between a host and a
> transceiver.  Originally this was for thicknet, but people came out
> with 10base2 and 10baseT transceivers.
> 
> AAUI is an Apple mutant AUI.  I _think_ it's electrically AUI but on a
> totally mechanically different connector.
> 
> MII and phy chips I don't really understand.

MII and PHY chips are just the 100Mbps version of transceivers.  They 
separate the physical layer stuff out to somewhere other than the 
ethernet controller.  Not much to it.

Peace...  Sridhar