IBM HS12 User Guide - Page 21

Power, controls, and indicators, Blade server controls and LEDs

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Chapter 2. Power, controls, and indicators Use this information to view power features, turn on and turn off the blade server, and view the functions of the controls and indicators. Blade server controls and LEDs Use this information for details about the controls and LEDs on the blade server. Note: The control panel door is shown in the closed position in the following illustration. To access the power-control button, you must open the control panel door. KVM select button Activity LED Location LED Information LED Blade-error LED Media-tray select button Power-control button Power-on LED 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 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: 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. If there is no response when you press the KVM select button, you can use the management-module Web interface to determine whether local control has been disabled on the blade server. See http://www-03.ibm.com/systems/management/ for more information. © Copyright IBM Corp. 2008, 2010 11

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Chapter 2. Power, controls, and indicators
Use this information to view power features, turn on and turn off the blade server,
and view the functions of the controls and indicators.
Blade server controls and LEDs
Use this information for details about the controls and LEDs on the blade server.
Note:
The control panel door is shown in the closed position in the following
illustration. To access the power-control button, you must open the control panel
door.
KVM select button
Activity LED
Location LED
Information LED
Blade-error LED
Media-tray select
button
Power-control button
Power-on LED
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 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:
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.
If there is no response when you press the KVM select button, you can use the
management-module Web interface to determine whether local control has been
disabled on the blade server. See http://www-03.ibm.com/systems/management/
for more information.
© Copyright IBM Corp. 2008, 2010
11