Dell PP521, DCDR01 owner manual 132

Controls and Lights

Power control	push button
Power light	white light — Solid white for power on state
	blinking white light — Blinking white for
	power-saving state
Hard-drive access light	white
Link integrity light (on integrated	green light — A good connection exists
network adapter)	between a 10-Mbps network and the computer.
	orange light — A good connection exists
	between a 100-Mbps network and the
	computer.
	yellow light — A good connection exists
	between a 1-GB (1000-Mbps) network and
	the computer.
	off (no light) — The computer is not detecting
	a physical connection to the network.
Power supply diagnostic LED	green light — Indicates power availability for
	power supply.
	off (no light) — Indicates no power available
	for the power supply.
Activity light (on integrated network	yellow blinking light — Indicates activity on
adapter)	the network.
	off (no light) — Indicates no activity on the
	network.
Standby power light	AUX_PWR on the system board
Front panel LEDs	seven multi-colored LEDs provide
	illumination for the front of the computer
	NOTE: The color of the LEDs can be adjusted
	using Windows Nvidia ESA light affects software.
Back panel LEDs	two multi-colored lights provide
	illumination for the I/O panel on the back of
	the computer
	NOTE: The color of the LEDs can be adjusted
	using Windows Nvidia ESA light affects software.

132

Specifications