System-board LEDs
Use this information to locate system-board LEDs in the blade server.
The following illustration shows the LEDs on the system board.
Battery
error LED
DIMM 10 - 18
error LED
IMM Heartbeat
LED
DIMM 1 - 9
error LED
Connector pannel
error LED
Microprocessor 2
error LED
H8 Heartbeat
LED
CIOv
error LED
IMM error
LED
SSD 0
error LED
SSD 1
error LED
Microprocessor 1
error LED
Light path
diagnostic
panel
You must remove the blade server from the BladeCenter unit, open the cover or
remove any optional expansion units, and press the light path diagnostics switch
(see “System-board switches” on page 15) to light any error LEDs that were turned
on during processing. Diagnosing problems using the light path diagnostic LEDs is
described in “Light path diagnostics” on page 181.
The following illustration shows the light path diagnostics panel on the system
board.
MIS
NMI
S BRD
TE MP
LP 1
NMI error LED
Microprocessor mismatch error LED
System-board error LED
Over temperature error LED
Light path diagnostics LED
Light path diagnostics switch
Chapter 2. Introduction 17
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