IBM System x3550 M3, Installation And User Manual

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clip to press the button. It allows you to blue screen the server and take a
memory dump (use this button only when directed by the IBM service support).
v Checkpoint code display: This display provides a checkpoint code that
indicates the point at which the system stopped during the boot block and POST.
A checkpoint code is either a byte or a word value that is produced by UEFI. The
display does not provide error codes or suggest components to be replaced.
v 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. The Reset button is in the lower-right corner of the light
path diagnostics panel.
Chapter 1. The System x3550 M3 server
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