Rear View - Lenovo x3650 M4 BD 5466 Installation And Service Manual

Figure 5. Operator information panel
• Power-control button and power-on LED: Press this button to turn the server on and off manually.
The states of the power-on LED are as follows:
– Off: Power is not present or the power supply, or the LED itself has failed.
– Flashing rapidly (4 times per second): The server is turned off and is not ready to be turned on. The
power-control button is disabled. This will last approximately 5 to 10 seconds.
– Flashing slowly (once per second): The server is turned off and is ready to be turned on. You can
press the power-control button to turn on the server.
– Lit: The server is turned on.
• System-locator button/LED: Use this blue LED to visually locate the server among other servers. A
system-locator LED is also on the rear of the server. This LED is used as a presence detection button as
well. You can use Systems Director or IMM2 web interface to light this LED remotely. This LED is controlled
by the IMM2. The locator button is pressed to visually locate the server among the others servers.
• Check log LED: When this yellow LED is lit, it indicates that a system error has occurred. Check the
error log for additional information. See the "Error messages" on page 121 for more information about
event logs.
• System-error LED: When this yellow LED is lit, it indicates that a system error has occurred. A
system-error LED is also on the rear of the server. An LED on the light path diagnostics panel on the
operator information panel is also lit to help isolate the error. This LED is controlled by the IMM2.
• Reset button: Press this button to reset the server and run the power-on self-test (POST). You might have
to use a pen or the end of a straightened paper clip to press the button.
Note: Depending on the type of operator information panel installed in your server, the Reset button is on
the operator information panel or the light path diagnostics panel.

Rear view

The following illustration shows the connectors on the rear of the server.
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Chapter 1 The Lenovo System x3650 M4 BDType 5466 server
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