Dell D15M owner manual Communications, Drives, Ports and Connectors, Controls and Lights

Feature	Specification
Volume controls	volume up/down buttons, program menus, and keyboard
	media-control keys
Table 19. Communications
Feature	Specification
Network adapter	Intel 10/100/1000 Mbps Ethernet LAN on system board
Table 20. Drives
Feature	Specification
Externally accessible:	ODD is externally accessible
Internally accessible	HDD is internally accessible
Table 21. Ports and Connectors
Feature	Specification
Audio	• one audio input/microphone port
	• one headphone port
Network Adapter	support Broadcom NetXtreme 10/100/1000 PCIe Gigabit
	Networking Card
Serial	support Serial / PS/2 Add-in Bracket or Serial / Parallel Port
	PCIe Add-in Card
Parallel	Serial / Parallel Port PCIe Add-in Card
USB 2.0	two connectors in the front panel, four connectors on the
	back panel
USB 3.0	two connectors on the back panel
Table 22. Controls and Lights
Feature	Specification
Front of the computer:
Power button light	White light — Solid white light indicates power-on state;
	Breathing white light indicates sleep state of the computer.
Drive activity light	White light — Blinking white light indicates that the
	computer is reading data from or writing data to the hard
	drive
Back of the computer:
Link integrity light on integrated	Green — a good 10 Mbps connection exists between the
network adapter	network and the computer.
	Green — a good 100 Mbps connection exists between the
	network and the computer.
	Orange — a good 1000 Mbps connection exists between
	the network and the computer.

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