Hello, I'm sorry I make a fuss. Only FYI, one of my box has 3Com NIC
00:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78) Subsystem: 3Com Corporation 3C905C-TX Fast Etherlink for PC Management NIC Flags: bus master, medium devsel, latency 32, IRQ 11 I/O ports at b800 [size=128] Memory at df800000 (32-bit, non-prefetchable) [size=128] [virtual] Expansion ROM at 30000000 [disabled] [size=128K] Capabilities: <access denied> I turned off hardware checksum, then it can connect using lsrr. Kernel command line: root=/dev/hdb2 ro 3c59x.hw_checksums=0 Thanks, - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html