Turning Off The Blade Server; System-Board Layouts; System-Board Connectors - IBM BladeCenter JS21 Types 8844 Service Manual

Turning off the blade server

When you turn off the blade server, it is still connected to power through the
BladeCenter unit. The blade server can respond to requests from the service
processor, such as a remote request to turn on the blade server. To remove all
power from the blade server, you must remove it from the BladeCenter unit.
Shut down the operating system before you turn off the blade server. See the
operating-system documentation for information about shutting down the operating
system.
The blade server can be turned off in any of the following ways:
v You can press the power-control button on the blade server (behind the control
v If the operating system stops functioning, you can press and hold the
v The management module can turn off the blade server.

System-board layouts

The following illustrations show the connectors, jumpers, and LEDs on the system
board. The illustrations in this document might differ slightly from your hardware.

System-board connectors

The following illustration shows the connectors on the system board.
panel door, see "Blade server control panel buttons and LEDs" on page 4). This
also starts an orderly shutdown of the operating system, if this feature is
supported by the operating system.
Note: After turning off the blade server, wait at least 5 seconds before you press
the power-control button to turn on the blade server again.
power-control button for more than 4 seconds to turn off the blade server.
I/O expansion option (J18)
I/O expansion option (J22)
Blade expansion option (J200)
Hard disk drive 1 (J501)
Hard disk drive 0 (J500)
DIMM 1 (J400)
DIMM 2 (J401)
DIMM 3 (J402)
DIMM 4 (J403)
Control panel (J4)
Battery (BH1)
Chapter 1. Introduction
7