Dell Precision M90 - Manual (Page 85)

Maximum resolutions:
WXGA+ 1440 x 900 at 16.7 million colors
WUXGA 1920 x 1200 at 16.7 million colors
Refresh rate 60 Hz
Operating angle 0º (closed) to 180°
Viewing angle (typical):
Horizontal ±40° (WXGA)
±60° (WUXGA)
Vertical +15°/–30° (WXGA)
±45° (WUXGA)
Pixel pitch:
WXGA+ 0.255 mm (17-inch display)
WUXGA 0.191 mm (17-inch display)
Power consumption (panel with backlight) (typical):
7.54 W
Controls brightness can be controlled through keyboard
shortcuts
Keyboard
Number of keys 87 (U.S. and Canada); 88 (Europe);
91 (Japan)
Layout QWERTY/AZERTY/Kanji
Touch Pad
X/Y position resolution (graphics table mode)
240 cpi
Size:
Width 73.0-mm (2.88-inch) sensor-active area
Height 42.9-mm (1.69-inch) rectangle
Battery
Type 9-cell "smart" lithium ion
Dimensions:
Depth 88.5 mm (3.48 inches)
Height 21.5 mm (0.83 inch)
Width 139.0 mm (5.47 inches)
Weight 0.40 kg (0.88 lb) (9 cell)
Voltage 10.8 VDC
Charge time (approximate):
Computer off 2 hours (at 100% in 2 hours)
1 hour (at 80% in 1 hour)
Operating time Battery operating time varies depending on operating
conditions and can be significantly reduced under
certain power-intensive conditions. See
Power
Problems .
See Using a Battery for more information on battery
life.
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
AC Adapter
NOTE: For optimum system performance, always use a 130-W adapter. Using less powerful AC adapters may
cause you to receive a Warning message and may also cause your computer to experience a degradation in
performance.