installed. The event is recorded in the event log. Check the LEDs on the
BladeCenter unit and the blade servers to isolate the component. See the
Hardware Maintenance Manual and Troubleshooting Guide for instructions for
viewing the event log and checking the LEDs. After the situation is handled,
have the system administrator turn off the information LED.
– System error: When this amber LED is lit, it indicates that a system error has
occurred, such as a failed module or a system error in a blade server. An LED
on one of the components or on a blade server is also lit to further isolate the
error. See the Hardware Maintenance Manual and Troubleshooting Guide for
more information. For systems equipped with an Advanced Management
Module, see also the Advanced Management Module Messages Guide to
determine the proper action for error and event codes.
Note: You can turn off the location LED and the information LED through the
Web interface or IBM Director Console.
v USB connector: Use this connector to attach an external USB device.
v Optical-drive activity LED: When this LED is lit, it indicates that the CD/DVD
drive is in use.
v Optical-drive eject button: Press this button to release a disc from the CD/DVD
drive.
v Blade server control panel: This panel contains indicators and controls for the
blade server. See the documentation that comes with your blade server for
information about the blade-server control panel.
v System service card: This card slides in and out of the storage location as seen
in the “Front view” on page 14 and contains system-service instructions and a
writable area.
Chapter 2. BladeCenter unit power, controls, and indicators 15
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