IBM System x3650 M4 Type 7915, Инструкция по установке и эксплуатации

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System-board LEDs
The following illustration shows the light-emitting diodes (LEDs) on the system
board.
Note: Error LEDs remain lit only while the server is connected to power.
System Error
LED
Locator LED Power LED
10G Ethernet card
error LED
Imm2 hear tbeat
LED
Enclosure management
hear tbeat LED
Standby power
LED
Battery
error LED
Fan 4
error LED Fan3
error LED
Microprocessor 2
error LED
Fan2
error LED
Fan1
error LED
Microprocessor 1
error LED
System board
error LED
DIMM 19-24
error LED
(under the latches)
DIMM 1-6
error LED
(under the latches)
DIMM 7-18
error LED
(under the latches)
System pulse LEDs
The following LEDs are on the system board and monitor the system power-on and
power-off sequencing and boot progress (see “System-board LEDs” for the location
of these LEDs).
Table 6. System-pulse LEDs
LED Description Action
RTMM heartbeat Power-on and power-off sequencing.
1. If the LED blinks at 1Hz, it is
functioning properly and no action
is necessary.
2. If the LED is not blinking, (Trained
technician only) replace the
system board.
Chapter 2. Installing optional devices
37