Dell Latitude D531 (Mid 2007) - Manual (Page 109)

Reinstalling Software 109
4 Network Interface Card (NIC) Enables and enhances the network controller.
5 Sound Device Enables and enhances the audio controller.
6 Modem Enables and enhances the modem.
7 Wireless Network Card Enables and enhances the wireless network
controller.
8 BlueTooth ® Module Enables and enhances the Bluetooth controller.
9 PC Card/ExpressCard Controller Enables and enhances the PC Card or ExpressCard
controller.
10 Touch Pad Enhances the pointing device features.
11 Other Other devices and peripherals such as handheld
computers, scanners, printers, MP3 Players, and
digital cameras that are connected to the computer.