Specifications
Component Identification 
Front Panel LEDs 
Table 4-2: Front Panel LEDs 
Item LED Description  Status 
1  CD-ROM drive activity 
2 Diskette drive activity 
On = Drive activity exists. 
Off = No drive activity exists. 
3  System power  Green = Server is on. 
Amber = Server is in standby mode. 
Off = Server is off; power cord is 
disconnected. 
4  Hard drive activity  Green or flashing green = Hard drive 
activity exists. 
Off = No hard drive activity exists. 
5  NIC link/activity  Green = Network link exists. 
Flashing green = Network activity exists. 
Off = No network link exists or server in 
standby. 
6  Internal health  Green = Server is powered up and server 
health is good. 
Amber = Server health is degraded; a 
pre-failure warning exists. 
Red = Server health is critical; attention is 
required. 
Off = Server is off; power cord is 
disconnected. 
4-2  HP ProLiant ML330 Generation 3 Server Maintenance and Service Guide 










