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I/O-board LEDs
The following illustration shows the LEDs on the I/O board.
Slot 7
error
LED
I/O
board
error
LED
Slot 6
error
LED
Slot 5
error
LED
Slot 4
error
LED
Slot 3
error
LED
Slot 2
error
LED
Slot 1
error
LED
Power fault LED
Installation guidelines
Before you install optional devices, read the following information:
v Read “Safety” on page v, “Working inside the server with the power on” on
page 40, and “Handling static-sensitive devices” on page 40. This information
will help you work safely.
v Make sure that the devices that you are installing are supported. For a list of
supported optional devices for the server, see http://www.ibm.com/systems/
info/x86servers/serverproven/compat/us/.
v When you install your new server, take the opportunity to download and apply
the most recent firmware updates. This step will help to ensure that any known
issues are addressed and that your server is ready to function at maximum
levels of performance. To download firmware updates for your server, go to
http://www.ibm.com/supportportal/.
Note: Some cluster solutions require specific code levels or coordinated code
updates. If the device is part of a cluster solution, verify that the latest level of
code is supported for the cluster solution before you update the code.
For additional information about tools for updating, managing, and deploying
firmware, see the ToolsCenter for System x and BladeCenter at
http://publib.boulder.imm.com/infocenter/toolstr/v1r0/index.jsp.
In a two-node configuration, make sure that the UEFI firmware, FPGA, and
IMM code are at the same levels on all nodes.
v Before you install optional hardware devices, make sure that the server is
working correctly. Start the server, and make sure that the operating system
38 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Installation and User's Guide