System-Board Leds - IBM x3250 - System M3 - 4251 Installation And User Manual

System-board LEDs

The following illustration shows the light-emitting diodes (LEDs) on the system
board.
Microprocessor error LED
Note: When you disconnect the power source from the server, you lose the ability
System board
error LED
Standby
power LED
Battery error LED
Riser-card 1
error LED
Riser-card 2
error LED
IMM heartbeat error LED
to view the LEDs because the LEDs are not lit when the power source is
removed. Before you disconnect the power source, make a note of which
LEDs are lit, including the LEDs that are lit on the operation information
panel and LEDs inside the server on the system board.
Table 3. System-board LEDs
LED
Error LEDs
IMM heartbeat LED
Standby power LED
DIMM 1 - 6
error LEDs
Description
When one of these LEDs is lit, it indicates that the associated
component has failed.
This LED flashes to indicate that the IMM is functioning
normally.
When this LED is lit, it indicates that the server is connected
to ac power.
Chapter 2. Installing optional devices
Fan 4
Fan 5
error LED
error LED
H8 Heartbeat
LED
Fan 3 error LED
Fan 2 error LED
Fan 1 error LED
SAS/SATA Controller
Error LED
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