64
Intelligent NIC Installation and Tuning Guide
NetXen, Inc.
10. Troubleshooting Guidelines
where 4040 indicates the NetXen vendor ID and 0002 indicates a CX4 card device ID.
The XFP card device ID is 0001.
Examine the following hex output:
From the lspci hex output:
Note that some PCI-e chip sets with a x16 link may not support a x8 PCI-Express link
width. A link is only required to support its maximum width and x1. Check the
motherboard specification to determine if its PCI-e x16 slot can autonegotiate to x8.
On some motherboards, the PCI-e slots are all the same physical size required by a x16
slot, but electrically they are different widths. Check the motherboard specification for the
supported width of each of the PCI-e slots.
10.5
Additional Support
If problems are encountered with server applications when RSS is enabled under
Microsoft Win2K3 with SP2 (in Offload Mode), please follow the link below to see if
Microsoft has addressed the specific issue.
http://support.microsoft.com/kb/936594
...... 81 04 00 00 01 00 81
Supported
link width
Negotiated
link width
d0: 10 00 01 00 02 80 00 00 40 20 01 00 81 04 00 00
||_________ capability. "81 04" = x8
e0: 01 00 81 00 00 00 00 00 00 00 00 00 00 00 00 00
||_________ negotiated. "81 04" = x8. "41 04" = x4, "11 04" = x1, "01 05" = x16
