HP ProLiant DL380 G4 Server - Manual (Page 23)

Component identification 23
Internal PCI Hot Plug LEDs and button
NOTE: Hot-plug LEDs are available only with the optional hot-plug PCI riser cage.
Item Description Status
1 Fault LED (Amber) On = Expansion board failed.
Off = Normal
2 Power LED (Green) On = Power is applied to the slot.
Flashing = Power is cycling.
Off = Power is not applied to the slot.
3 PCI Hot Plug button N/A
Identifying hot-plug fans
Item Description Configuration
1 Fan 1 Redundant