IBM System x3650 M3 4255 Service Guide

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.
Table 5. System-board LEDs
LED Description
Error LEDs The associated component has failed.
12-volt power (A, B, C, D, E
and AUX) error LEDs
If any of these LEDs are lit, there is a failure in the
associated system-board power channel (see “Power
problems” on page 55).
20 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide

IBM System x3650 M3 4255 Specifications

General

Form Factor	2U Rack
Chipset	Intel 5520
Max Processors	2
Processor	Intel Xeon 5600 series
Memory	Up to 192GB DDR3
Network Interface	Dual-port Gigabit Ethernet
Hard Drive Bays	Up to 16 x 2.5" or 6 x 3.5"
RAID Support	RAID 0, 1, 10
Memory Slots	18 DIMM slots
Operating System Support	Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware