Dell Inspiron 640M Owner's Manual page 159

Communications
Modem:
Type
Controller
Interface
Network adapter
Wireless
Video
Video type:
Video controller
Video memory
LCD interface
TV support
Audio
Audio type
Audio controller
Stereo conversion
Interfaces:
Internal
External
Speaker
Internal speaker amplifier
Volume controls
v.92 56K MDC
softmodem
internal HDA bus
10/100 Ethernet LAN on system board
internal Mini-Card Wi-Fi and Bluetooth
wireless technology support
integrated on system board
®
Intel GMA950
Up to 224 MB shared if total computer
memory is 512 MB or greater; up to 128 MB
shared if total computer memory is 256 MB
LVDS
NTSC/PAL
High Definition Audio (HDA) bus
Sigmatel STAC9200
24-bit (analog-to-digital and digital-to-
analog)
HDA bus
microphone-in connector, stereo
headphones/speakers connector
two 4-ohm speakers
1-W channel into 4 ohms
keyboard shortcuts, program menus, media
control buttons
®
Specifications
159