ProLiant DL740 Server Maintenance and Service Guide

Table Of Contents
Connectors, Switches, and LED Indicators
LED Indicators
Status LEDs are located on the front, back, and inside of the server. These LEDs
communicate the current status of varying aspects of the components and operations, aiding
you in diagnosing problems. The following ProLiant DL740 server LEDs are explained in
this chapter.
System power LED switch—Located in the server Power On/Standby button
Unit identification LED switches—Located on the front and back of the server
System interconnect LEDs—Located on the front, top left edge of the server
System attention LEDs—Located on the front, top left edge of the server
System activity LEDs—Located on the front, top left edge of the server
Hot-plug SCSI hard drive LEDs—Located on the front of each hard drive
Power supply LEDs—Located on the lower front of each power supply
Hot-plug fan LEDs—Located on the host board near each fan inside the server
PCI Hot Plug LEDs—Located on the rear of the server and inside the host module
Memory cartridge LEDs—Located on the memory cartridges
DIMM status LEDs—Located on the front right top edge of the server
7-6 HP ProLiant DL740 Server Maintenance and Service Guide
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