Dell Latitude E6520 (Early 2011) - Manual (Page 94)

Audio
Type four-channel high definition audio
Controller IDT 92HD90
Stereo conversion 24-bit (analog-to-digital and digital-to-analog)
Interface:
Internal high definition audio
External microphone-in/stereo headphones/external
speakers connector
Speakers two
Internal speaker amplifier 0.5 W (typical) per channel
Volume controls keyboard function keys and program menus
Video
Video type
• integrated on system board
• discrete
Data bus:
UMA integrated video
Discrete
• PCI-E x16 Gen1
• PCI-E x16 Gen2
Video controller:
UMA Intel HD Graphics
Discrete NVIDIA NVS 4200M Discrete Graphics (512
MB DDR3)
Communications
Network adapter 10/100/1000 Mbps Ethernet LAN
Wireless internal wireless local area network (WLAN)
and wireless wide area network (WWAN)
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