IBM HS40 - BladeCenter - 8839 Maintenance And Troubleshooting Manual page 19

Power-control button: This button is located behind the control panel door. Press
this button to manually turn the blade server on or off.
Note: This button has effect only if local power control is enabled for the blade
server. Local power control is enabled and disabled through the BladeCenter
management module Web interface.
Power-on LED: This green LED indicates the power status of the blade server in
the following manner:
v Flashing rapidly - The service processor on the blade server is handshaking with
the BladeCenter management module.
v Flashing slowly - The blade server has power but is not turned on.
v Lit continuously - The blade server has power and is turned on.
Activity LED: When this green LED is lit, it indicates that there is hard disk drive or
network activity.
Location LED: When this blue LED is lit, it has been turned on remotely by the
system administrator to aid in visually locating the blade server. The location LED
can be turned off through the BladeCenter management-module Web interface or
through the IBM Director Console.
v Running the blade server integrated diagnostics
v Running a BIOS update diskette on a blade server
v Updating the diagnostics on a blade server
If there is no response when you press the keyboard/mouse/video select button,
you can use the management-module Web interface to see whether local control
has been disabled on the blade server.
You can also press keyboard keys in the following sequence to switch
keyboard/mouse/video control between blade servers:
NumLock NumLock blade server number Enter
where blade server number is the two-digit number for the blade bay in which
the blade server is installed. A blade server that occupies more than one blade
bay is identified by the lowest bay number that it occupies.
If you install the Microsoft
while it is not the current owner of the keyboard, video, and mouse, a delay of up to
1 minute occurs the first time you switch the keyboard, video, and mouse to the
blade server. During this one-time-only delay, the blade server device manager
enumerates the keyboard, video, and mouse and loads the device drivers. All
subsequent switching takes place in the normal keyboard-video-mouse switching
time frame (up to 20 seconds).
Information LED: When this LED is lit, it indicates that a noncritical event has
occurred. A light path diagnostics LED on the processor board or I/O board is also
lit to help isolate the error. The information LED can be turned off through the
BladeCenter management-module Web interface or through the IBM Director
Console.
Blade-error LED: When this amber LED is lit, it indicates that a system error has
occurred in the blade server. The blade-error LED will turn off only after the error is
corrected.
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Windows 2000 operating system on the blade server
9
Chapter 1. Introduction