IBM System x3400 M3 Types 7378 User Manual

Table 3. Power-supply LEDs
Power-supply LEDs
DescriptionAC power DC power Power error
Off Off Off No AC power to the server or a problem
with the AC power source
Off Off On No AC power to the server or a problem
with the AC power source and the power
supply has detected an internal problem
Off On Off Faulty power supply
Off On On Faulty power supply
On Off Off Power supply not fully seated, faulty
system board, or faulty power supply
On Off or flashing On Faulty power supply
On On Off Normal operation
On On On Power supply is faulty but still operational
Server power features
When the server is connected to an AC power source but is not turned on, the
operating system does not run, and all core logic except for the integrated
management module (IMM) is shut down; however, the server can respond to
requests from the IMM, such as a remote request to turn on the server. The
power-on LED flashes to indicate that the server is connected to AC power but not
turned on.
Turning on the server
Approximately 20 seconds after the server is connected to AC power, the
power-control button becomes active, and one or more fans might start running to
provide cooling while the server is connected to power. You can turn on the server
and start the operating system by pressing the power-control button.
The server can also be turned on in any of the following ways:
Chapter 1. The System x3400 M3 server 19

IBM System x3400 M3 Types 7378 Specifications

General

Processor	Intel Xeon 5600 series
Memory Slots	12 DIMM slots
Hard Drive Bays	Up to 8 bays
Network Interface	Dual Gigabit Ethernet
Management	Integrated Management Module (IMM)
Form Factor	Tower
Processor Cores	4 or 6 cores
Chipset	Intel 5520
Storage	SAS/SATA
RAID Support	RAID 0, 1, 10
Power Supply	Redundant Power Supply Options Available
Expansion Slots	4 PCI-Express slots
USB Ports	6 USB 2.0
Operating System Support	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware