Dell Latitude E5540 Owner's Manual page 58

Feature
without Express Card I/O on Discrete
Graphic and all UMA Graphic Configurations
Table 18. Audio
Feature
Type
Controller
Stereo conversion
Interface:
Internal
External
Speakers
Internal speaker amplifier
Volume controls
Table 19. Video
Feature
Type
Controller
UMA
Discrete
Table 20. Communications
Feature
Network adapter
Wireless
Table 21. Ports and Connectors
Feature
Audio (optional)
Video
58
Specification
• Supports mSATA and WWAN on Latitude E5440
• Supports mSATA on Latitude E5540.
Specification
four-channel high definition audio
Realtek ALC3226
24-bit (analog-to-digital and digital-to-analog)
high definition audio
microphone-in/stereo headphones/external speakers
connector
two
1W (RMS) per channel
hot keys for volume control and mute control
Specification
integrated on system board
Intel HD Graphics 4600
Nvidia GeForce (N14M-GE) Discrete Graphics Card, 2 GB
Graphics
Specification
10/100/1000 Mb/s Ethernet (RJ-45)
• Internal wireless local area network (WLAN)
• Wireless wide area network (WWAN) (E5440 only)
Specification
one microphone/stereo headphone/speakers connector
• one 15-pin VGA connector
• 19-pin HDMI connector