IBM 71455RU Installation And User Manual page 41

Power-on Power supply Link
LED error LED LED
Locator Memory Fan error
button/LED error LED LED
v Information panel: This panel contains the indicators for the MAX5 expansion
module.
– Power-on LED: When this green LED is lit, it indicates that the MAX5 is
powered on.
– Locate LED: Use this blue LED to locate the MAX5 expansion module. The
locate LED also has a button that you can press to light up other servers or
other MAX5 expansion modules to which the MAX5 expansion module is
connected.
– Power supply fault (error) LED: When this amber LED is lit, it indicates a
faulty hot-swap power-supply.
– Memory error LED: When this amber LED is lit, it indicates a DIMM problem.
– Link error LED: When this amber LED is lit, indicates that a QPI link fault or
a EXA link fault has occurred. The port LED for the link that has been
disconnected will not be lit on the rear of the MAX5. EXA link LEDs are on the
rear of the MAX5 expansion module, and the QPI link LEDs are on the server
to which the MAX5 is connected.
– Fan error LED: When this amber LED is lit, it indicates a fan error.
– System board error LED: When this amber LED is lit, it indicates a MAX5
system-board tray error.
– Configuration error LED: When this amber LED is lit, it indicates a
configuration error. The memory LED might be lit to indicate a memory
configuration error.
Rear view
The following illustration shows the indicators on the rear of the IBM MAX5 for
System x (MAX5) memory expansion module.
EXA EXA EXA
port 1 port 2 port 3
Power-on
LED
Locate
LED
System
error
LED
v Power-on LED: When this green LED is lit, it indicates that the MAX5 is
powered on. This LED is functionally equivalent to the power-on LED on the front
of the MAX5.
error System board
error LED
Configuration
error LED
QPI QPI QPI QPI
port 1 port 2 port 3 port 4
EXA port 1
link LED
EXA port 2
link LED
EXA port 3
link LED
Chapter 1. The System x3850 X5 and x3950 X5 server
Power
connectors
AC LED (green)
DC LED (green)
Power supply
fault (error) LED
23