RX2540 M4 Upgrade and Maintenance Manual 55
Basic hardware procedures
● Checking the onboard indicators on the system board using the Indicate
CSS button, see section "Using the CSS button on the system board" on
page 55.
Using the CSS button on the system board
If the system has been powered off, the onboard indicators guides you to the
faulty component.
V CAUTION
It is mandatory to disconnect all power cords from the system in order to
use the Indicate CSS functionality.
Ê Shut down and power off the server.
Ê Disconnect all power cords from the system.
Ê Press the Indicate CSS button to highlight defective components, see
section "Using the CSS button on the system board" on page 55.
The indicator next to the defective component lights up.
4.2 Shutting down the server
V CAUTION!
For more information, see chapter "Important information" on page 41.
I This step is only required when upgrading or replacing non-hot plug
components.
Ê Inform the system administrator that the server will be shut down and put
offline.
Ê Terminate all applications.
Ê Perform the required procedures described in the preliminary steps of each
upgrade or maintenance task.
Ê Shut down the server.
I If the system is running an ACPI-compliant operating system,
pressing the On/Off button will perform a graceful shutdown.
Ê Switch on the ID indicator on the front panel and I/O panel of the server, see
section "Locating the defective server" on page 53.
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