IBM HS12 Service Guide - Page 20

Keyboard/video/mouse KVM select button, Notes, Activity LED, Location LED, NumLock NumLock

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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. Notes: 1. The operating system in the blade server must provide USB support for the blade server to recognize and use the keyboard and mouse, even if the keyboard and mouse have PS/2-style connectors. 2. If you install a supported Microsoft® Windows® operating system on the blade server while it is not the current owner of the keyboard, video, and mouse, a delay of up to 1 minute occurs the first time that you switch the keyboard, video, and mouse to the blade server. All subsequent switching takes place in the normal KVM switching time frame (up to 20 seconds). Activity LED: When this green LED is lit, it indicates that there is activity on the hard disk drive or network. Location LED: The system administrator can remotely turn on this blue LED to aid in visually locating the blade server. When this LED is lit, the location LED on the BladeCenter unit is also lit. The location LED can be turned off through the 8 BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide

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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.
Notes:
1.
The operating system in the blade server must provide USB support for the
blade server to recognize and use the keyboard and mouse, even if the
keyboard and mouse have PS/2-style connectors.
2.
If you install a supported Microsoft
®
Windows
®
operating system on the blade
server while it is not the current owner of the keyboard, video, and mouse, a
delay of up to 1 minute occurs the first time that you switch the keyboard,
video, and mouse to the blade server. All subsequent switching takes place in
the normal KVM switching time frame (up to 20 seconds).
Activity LED:
When this green LED is lit, it indicates that there is activity on the
hard disk drive or network.
Location LED:
The system administrator can remotely turn on this blue LED to aid
in visually locating the blade server. When this LED is lit, the location LED on the
BladeCenter unit is also lit. The location LED can be turned off through the
8
BladeCenter HS12 Type 8014, 8028 or 1916: Problem Determination and Service Guide