IBM 201 manual NAS 200 User’s Reference

Table 10. Intel PRO 1000 XT Server adapter troubleshooting chart (continued)

Adapter problem	Suggested Action
Adapter unable to connect to	Note: This is applicable only to copper-based connections.
switch at 1000 Mbps, instead	v Check the cable type.
connects at 100 Mbps	v Try another cable.
	v Make sure the link partner is set to Auto-negotiate or manually set to 1000 Full
	Duplex.
	v Verify that the switch is IEEE 802.3ab-compliant and the latest IOS is installed.
The adapter stopped working	v The network driver files may be damaged or deleted. Reinstall the drivers.
without apparent cause	v Try reseating the adapter in its slot or different slot, if necessary.
	v Try rebooting the computer.
	v Try another cable.
	v Try a different adapter.
	v Run diagnostics.
The Link indicator light is off	v Run the adapter and network tests.
	v Make sure you have loaded the adapter driver.
	v Check all connections at the adapter and the switch.
	v Try another port on the switch.
	v Try another cable.
	v Make sure that the link partner is configured to auto-negotiate (or forced to match
	adapter). Verify that the switch is SX-mode fiber or IEEE 802.3ab-compliant.
The link light is on, but	v Make sure the proper (and latest) driver is loaded.
communications are not	v Both the adapter and its link partner must be set to either auto-negotiate or
properly established	manually set to the same speed and duplex settings.
	The adapter link indicator light may be on even if communications between the
	adapter and its link partner have not been properly established. Technically, the link
	indicator light represents the presence of a carrier signal but not necessarily the
	ability to properly communicate with a link partner. This is expected behavior and is
	consistent with the IEEE specification for physical layer operation.
RX or TX light is off (Gigabit	v Make sure you’ve loaded the network drivers.
only)	v Network may be idle; try creating traffic while monitoring the lights.
	v Try another adapter.
The diagnostic utility reports	The PCI BIOS isn’t configuring the adapter correctly.
the adapter is “Not enabled by
BIOS.”
The computer hangs when the	Try changing the PCI BIOS interrupt settings.
drivers are loaded.
The ACT light is off	v Make sure you’ve loaded the correct network drivers.
(non-Gigabit adapters)	v The network may be idle. Try accessing a server.
	v Try another adapter.
	v Make sure you’re using two-pair cable for TX wiring.
Event viewer message: A	In Windows NT and NetWare, if there is a BIOS setting for “Plug and Play OS,”
device attached to the system	make sure it is set to NO. For Windows 2000 and later, this should be set to YES.
is not functioning.

68NAS 200 User’s Reference