Matthew Jacob writes:
 > Eeewwww!
 > 
 > I have no clue about this one. We have AS600s and haven't seen this problem,
 > although I haven't stuck a de500 in.
 > 
 > Try setting in SRM ewa1_mode to what mathes what you're connected to.
 > 
 > -matt
 > 

>>>show ewb0_mode
ewb0_mode               FastFD (Full Duplex)

This matches the switch.  

My gut reaction is that the problem may be because its unit 1, and not
unit 0 (unit 0 is a 10Mb chip on the same card as the 2 ISP-1020's).

Drew