Dell Inspiron 1427 (Early 2009) - Manual (Page 44)

Specifications
42
Audio
Audio type 2 channel High Definition
Audio controller Realtek ALC272-GR
Stereo conversion 24-bit
(analog-to-digital and
digital-to-analog)
Internal Interface Intel High Definition Audio
External Interface built-in microphone
microphone-in connector,
stereo headphones/speakers
connector
Speaker two stereo speakers
Internal speaker 0. 5 watt per channel into 4 ohm
amplifier
Volume controls program menus
Ports and Connectors
Audio microphone connector
one stereo headphone/
speakers connector
Network adapter RJ-45 port
USB four 4-pin USB 2. 0
-compliant connectors
Video 15-hole connector
Memory card reader one media card reader
PCI-Express Card slot one PCI-Express Card slot,
supports PCI-Express Cards