Front panel leds and buttons – HP ProLiant ML310 G4 Server User Manual
Page 7

Component identification 7
Front panel LEDs and buttons
Item Description
Status
1
CD-ROM drive ejector
button
—
2
Power On/Standby button
—
3
Power On/Standby LED
Green = System has AC power and is functioning
Amber = System has AC power and is in standby mode
Off = System has no AC power
4
Hard drive activity LED
Green = Hard drives are properly connected and functioning
Off = No hard drive activity
5
NIC link/activity LED
Green = Linked to network
Flashing green = Linked with activity on the network
Off = No network connection
6
Internal system health LED* Green = Normal (system on)
Amber = System health is degraded
Red = System health is critical
Off = Normal (system off)
7
CD-ROM drive indicator
LED
On = Activity
Off = No activity
* For servers with redundant hot-plug power supplies, the internal health LED also signals a power supply event
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