I know you guys have heard this B4 but, when using Lunix on the GCN it DOES enable the GCN to trans @ 1.05 MBPS.
"27 February 2004: Ethernet fully functional at 10 MBit hamtitampti fixed the Ethernet driver, we now have stable TCP/IP traffic at rates of 1.05 MB/sec - and NFS-Root works flawlessly"
go
here for more info.