Rear View - IBM x3850 X5 7145 Installation And User Manual

v Remind button: This button places the system-error LED on the front panel into
v NMI button: Press this button to force a nonmaskable interrupt to the
v Reset button: Press this button to reset the server and run the power-on
For more information about light path diagnostics, see the Problem Determination
and Service Guide on the IBM Documentation CD.

Rear view

The following illustration shows the connectors on the rear of the server.
Power-cord connector: Connect the power cord to this connector.
System-management connector: Use this connector to connect the server to a
network for systems-management information control. This connector is used only
by the IMM.
USB connectors: Connect USB devices, such as a USB mouse or keyboard, to
these connectors.
Video connector: Connect a monitor to this connector.
Serial connector: Connect a 9-pin serial device to this connector. The serial port is
shared with the integrated management module (IMM). The IMM can take control of
the shared serial port to perform text console redirection and to redirect serial
traffic, using Serial over LAN (SOL).
QPI ports 1 - 4: Use these connectors to insert either a QPI wrap card, or a filler
panel. The QPI wrap cards allow increased performance in certain models.
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IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User's Guide
Remind mode. In Remind mode, the system-error LED flashes once every 2
seconds until the problem is corrected, the server is restarted, or a new problem
occurs.
By placing the system-error LED indicator in Remind mode, you acknowledge
that you are aware of the last failure but will not take immediate action to correct
the problem. The remind function is controlled by the IMM.
microprocessor, if you are directed to do so by IBM service.
self-test (POST). You might have to use a pen or the end of a straightened paper
clip to press the button. The reset button is in the lower-right corner of the light
path diagnostics panel.
Power
connector
QPI Gigabit
ports Ethernet 1 - 2
1 - 2
System
management
Ethernet
AC AC
DC DC
! !
System Video USB QPI
serial ports
3 - 4