Lenovo System x3650 M4 HD, Инструкция по установке и обслуживанию

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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.
• Ethernet activity LEDs: When any of these LEDs is lit, they indicate that the server is transmitting to
or receiving signals from the Ethernet LAN that is connected to the Ethernet port that corresponds
to that LED.
• 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 IMM web interface to light this LED remotely. This LED is controlled
by the IMM. 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
event log for additional information. See “Event logs” on page 135 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 or on the system board is also lit to help isolate the error. This LED is
controlled by the IMM.
Notes:
1. 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.
2. You do not have to pull out the operator information panel to obtain more information if there's no
release latch existed in your server model.
Rear view
The following illustration shows the connectors on the rear of the server.
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Video Serial Power supply 1
Power supply 2
Shared system
management
Dedicated system
management
Network connectors
(with optional adapter)
USB
connectors Ethernet
connectors
Drive bay 24 Drive bay 25
Figure 10. Rear view
• NMI button: Press this button to force a nonmaskable interrupt to the microprocessor. It allows you to
blue screen the server and take a memory dump (use this button only when directed by the Lenovo
service support). You might have to use a pen or the end of a straightened paper clip to press the button.
The NMI button is in the lower left-hand corner on the rear of the server.
• Power connector: Connect the power cord to this connector.
Note: Power supply 1 is the default/primary power supply. If power supply 1 fails, you must replace it
immediately.
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Lenovo System x3650 M4 HD Installation and Service Guide