IBM Type 1881, Type 8677 manual Nvram, Keyboard problems

Table 2. Troubleshooting charts (continued)

Device	Suggested action
Ethernet switch-module	If the Wake-on-LAN (WOL) feature is disabled on a blade server, and the blade
firmware graphics shows a	server is turned off, the switch module internal port link to that blade is down. This is
blank panel when the blade	not an error, but the graphic of the BladeCenter unit might show a blank panel
server is present but powered	instead of a blade server in that bay.
off.	Note: You can enable or disable the WOL feature on a blade server through the
	management-module Web interface or through the IBM Director console. Do not rely
	on the BladeCenter graphic in the Ethernet switch-module firmware Web interface to
	determine the presence or absence of blade servers in the BladeCenter unit.
Ethernet switch-module log	The timestamp on entries in the Ethernet switch module log uses elapsed time (since
reports elapsed time, not time	last switch restart). The timestamp on entries restarts from 0 each time the switch is
of day.	restarted, although the entries do remain in order of occurrence.
Ethernet disconnect notice	If an Ethernet cable is accidentally removed from the back of the BladeCenter unit,
will not appear when running	the small red X (disconnect notice) that normally would appear to indicate that the
Windows 2000.	cable was disconnected will not appear in the bottom right of the screen. The
	disconnect notice does not appear because the blade server Ethernet controller
	connects to the Ethernet switch module through integrated circuitry inside the
	BladeCenter unit.
	When troubleshooting Ethernet-related problems, ensure that the Ethernet cables on
	the back of the BladeCenter unit are connected properly.
The default IP address set by	When troubleshooting Ethernet-related problems, ensure that the Ethernet cables on
the Ethernet switch module	the back of the BladeCenter unit are connected properly.
does not match the one
assigned by the management
module.
Updating the Ethernet switch	When you use the management-module Web interface to update the Ethernet switch
module configuration through	module configuration, the management module firmware writes its settings for the
the management module	switch module only to the management module NVRAM; it does not write its settings
does not save the switch	for the switch module to the switch-module NVRAM.
NVRAM.	If the switch module restarts when the management module is not able to apply the
	IP address it has in NVRAM for the switch module, the switch module will use
	whatever IP address it has in its own NVRAM. If the two IP addresses are not the
	same, you might not be able to manage the Ethernet switch module any more.
	The management module cannot apply the switch IP address from its NVRAM if:
	v The management module is restarting
	v The management module has failed
	v The management module has been removed from the unit.
	When you use the management-module Web interface to update the Ethernet switch
	module configuration, the management module firmware writes its settings for the
	switch module only to the management module NVRAM; it does not write its settings
	for the switch module to the switch module NVRAM.
	If the switch module restarts when the management module is not able to apply the
	IP address it has in NVRAM for the switch module, the switch module will use
	whatever IP address it has in its own NVRAM. If the two IP addresses are not the
	same, you might not be able to manage the Ethernet switch module any more.
	The management module cannot apply the switch IP address from its NVRAM if:
	v The management module is restarting
	v The management module has failed
	v The management module has been removed from the unit.
Keyboard problems

66BladeCenter E Type 8677 and 1881: Hardware Maintenance Manual and Troubleshooting Guide