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Blade server controls and LEDs
Use this information for details about the controls and LEDs on the blade server.
The following illustration identifies the buttons and information LEDs on the
blade-server control panel.
Note: The control panel is covered by a protective access panel. Use your finger
and pull down on the access panel to open it.
Keyboard/video/mouse (KVM) select button: Press this button to associate the
shared BladeCenter unit keyboard port, video port, and mouse port with the blade
server. The LED on this button flashes while the request is being processed and
then is lit when the ownership of the keyboard, video, and mouse has been
transferred to the blade server. It can take approximately 20 seconds to switch the
keyboard, video, and mouse control to the blade server.
Using a keyboard that is directly attached to the Advanced-Management-Module,
you can press keyboard keys in the following sequence to switch KVM control
between blade servers instead of using the KVM select button:
If there is no response when you press the KVM select button, you can use the
Advanced-Management-Module Web interface to determine whether local control
has been disabled on the blade server. See http://www.ibm.com/systems/
management/ for more information.
Notes:
1. The operating system in the blade server must provide USB support for the
10
BladeCenter HS22V Type 7871 and 1949: Problem Determination and Service Guide
KVM select button
NumLock NumLock blade_server_number Enter
blade_server_number is the two-digit number of the blade-server bay in which
the blade server is installed. A blade server that occupies more than one
blade-server bay is identified by the lowest bay number that it occupies.
blade server to recognize and use the keyboard and mouse, even if the
keyboard and mouse have PS/2-style connectors.
Activity LED
Location LED
Information LED
Blade-error LED
Media-tray select
button
NMI button
Power-control button
Power-on LED
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