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Operator information
panel
The following illustration shows the controls and LEDs on the light path diagnostics
panel.
Notes:
1. Do not run the server for an extended period of time while the light path
2. Light path diagnostics LEDs remain lit only while the server is connected to
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.
14
IBM System x3850 X5 and x3950 X5 Types 7145 and 7146: Installation and User's Guide
Light path
diagnostics LEDs
Release latch
diagnostics panel is pulled out of the server.
power.
OVER SPEC
LOG
LINK
PS
FAN
TEMP
MEM
CNFG
CPU
VRM
DASD
Light Path Diagnostics
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.
REMIND
PCI
SP
NMI
RAID
BRD
Reset button
Remind
button
NMI button
Check point
code display
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