Dell Inspiron 640M Owner's Manual page 160

Display
Type (active-matrix TFT)
Dimensions:
Height
Width
Diagonal
Maximum resolutions:
WXGA
WXGA+
Refresh rate
Operating angle
Viewing angles:
Horizontal
Vertical
Pixel pitch:
WXGA
WXGA+
Controls
Keyboard
Number of keys
Layout
Touch Pad
X/Y position resolution
(graphics table mode)
Size:
Width
Height
160
Specifications
14.1-inch WXGA and
14.1-inch WXGA+
206 mm (8.11 inches)
320 mm (12.59 inches)
357.74 mm (14.1 inches)
1280 x 800 at 262,144 colors
1440 x 900 at 262,144 colors
60 Hz
0° (closed) to 180°
±40° (WXGA) typical
+15°/–30° (WXGA)
0.237 mm
0.211 mm
brightness can be controlled through
keyboard shortcuts
87 (U.S. and Canada); 88 (Europe);
91 (Japan)
QWERTY/AZERTY/Kanji
240 cpi
73.0-mm (2.9-inch) sensor-active area
42.9-mm (1.7-inch) rectangle