Rear View - Lenovo x3550 M4 Installation And Service Manual

Table of Contents

Figure 10. Light path diagnostics panel

v Remind button: This button places the system-error LED on the operator

v Reset button: Press this button to reset the server and run the power-on self-test

Rear view

The following illustration shows the connectors on the rear of the server.

Figure 11. Rear view connectors

v NMI button: Press this button to force a nonmaskable interrupt to the

System x3550 M4 Type 7914: Installation and Service Guide

information panel into 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.

(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.

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