Dell Inspiron 1526 (Late 2007) - Manual (Page 167)

Specifications
165
Audio
Audio type two-channel high-definition audio codec
Audio controller Sigmatel STAC9228 Codec
Stereo conversion 24-bit (analog-to-digital and digital-to-analog)
Interfaces:
Internal Intel High Definition Audio
External microphone-in connector, stereo
headphones/speakers connector
Speaker two 4-ohm speakers
Internal speaker amplifier 1 Watt per channel into 4 ohms
Volume controls program menus, media control buttons
Display
Type (active-matrix TFT) 15.4-inch WXGA
15.4-inch WXGA with TrueLife
15.4-inch WXGA+ with TrueLife
15.4-inch WSXGA+with TrueLife
Dimensions:
Height 207.0 mm (8.1 in)
Width 331.2 mm (13.0 in)
Diagonal 391.2 mm (15.4 in)
Maximum resolutions:
WXGA 1280 x 800 at 262 K colors
WXGA with TrueLife 1280 x 800 at 262 K colors
WXGA+ with TrueLife 1440 x 900 at 262 K colors
WSXGA+with TrueLife 1680 x 1050 at 262 K colors
Refresh rate 60 Hz
Operating angle 0 ° (closed) to 155°