IBM System x3550 M3 Type 4254 User Manual

DC power-supply LEDs
Description Action NotesIN OK OUT OK Error (!)
Off Off Off No dc power to the
server or a problem
with the dc power
source.
1. Check the dc power to the
server.
2. Make sure that the power
cord is connected to a
functioning power source.
3. Restart the server. If the error
remains, check the
power-supply LEDs.
4. Replace the power-supply.
This is a normal
condition when no dc
power is present.
Off Off On No dc power to the
server or a problem
with the dc power
source and the
power-supply had
detected an
internal problem.
v Make sure that the power
cord is connected to a
functioning power source.
v Replace the power supply (see
the documentation that comes
with the power supply for
instructions).
Off On Off Faulty
power-supply
Replace the power supply.
Off On On Faulty
power-supply
Replace the power supply.
On Off Off Power-supply not
fully seated, faulty
system board, or
faulty
power-supply
1. (Trained service technician
only) Reseat the power
supply.
2. If a power channel error LED
on the system board is not
lit, replace the power-supply
(see the documentation that
comes with the power supply
for instructions).
3. If a power channel error LED
on the system board is lit,
(trained service technician
only) replace the system
board.
Typically indicates a
power-supply is not
fully seated.
On Off On Faulty
power-supply
Replace the power supply.
On On On Power-supply is
faulty but still
operational
Replace the power supply.
Chapter 1. The IBM System x3550 M3 server 31

IBM System x3550 M3 Type 4254 Specifications

General

Processor	Intel Xeon 5600 series
Max Processors	2
Memory	Up to 192 GB DDR3
Form Factor	1U Rack
Chipset	Intel 5520
Drive Bays	Up to 4 hot-swap 2.5-inch SAS/SATA or SSD
RAID Support	RAID 0, 1, 10
Network Interface	Dual-port Gigabit Ethernet
Power Supply	460W or 675W
Expansion Slots	2 PCIe 2.0
Weight	Approximately 17.24 kg (38 lbs)
Memory Slots	18 (RDIMM) or 12 (UDIMM)