Lenovo 70B4, User Manual And Hardware Maintenance Manual

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Installing or removing the intelligent diagnostics module
This topic provides instructions on how to install or remove the intelligent diagnostics module (hereinafter
referred to as the IDM).
The IDM, which is only available in some models, provides diagnostic LEDs through the IDM panel to help
you easily identify a problem. The diagnostic LEDs on the IDM panel also vary depending on the installed
power supply. For more information, see “Intelligent diagnostics module” on page 19.
Installing the intelligent diagnostics module
Attention: Do not open your server or attempt any repair before reading and understanding “Safety information”
on page iii and “Guidelines” on page 83.
This topic provides instructions on how to install the IDM.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
To install the IDM, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 85.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 87.
4. Touch the static-protective package that contains the IDM to any unpainted surface on the outside of
the server. Then, take the IDM out of the package.
5. Connect the signal cable to the rear of the IDM.
Chapter 6
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Installing, removing, or replacing hardware
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