Dell Precision M90 User Guide - Page 85

Keyboard, Touch Pad, Battery, AC Adapter - weight

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Maximum resolutions: WXGA+ WUXGA Refresh rate Operating angle Viewing angle (typical): Horizontal Vertical Pixel pitch: WXGA+ WUXGA Power consumption (panel with backlight) (typical): Controls 1440 x 900 at 16.7 million colors 1920 x 1200 at 16.7 million colors 60 Hz 0º (closed) to 180° ±40° (WXGA) ±60° (WUXGA) +15°/-30° (WXGA) ±45° (WUXGA) 0.255 mm (17-inch display) 0.191 mm (17-inch display) 7.54 W brightness can be controlled through keyboard shortcuts Keyboard Number of keys Layout 87 (U.S. and Canada); 88 (Europe); 91 (Japan) QWERTY/AZERTY/Kanji Touch Pad X/Y position resolution (graphics table mode) Size: Width Height 240 cpi 73.0-mm (2.88-inch) sensor-active area 42.9-mm (1.69-inch) rectangle Battery Type Dimensions: Depth Height Width Weight Voltage Charge time (approximate): Computer off Operating time Life span (approximate) Temperature range: Operating Storage 9-cell "smart" lithium ion 88.5 mm (3.48 inches) 21.5 mm (0.83 inch) 139.0 mm (5.47 inches) 0.40 kg (0.88 lb) (9 cell) 10.8 VDC 2 hours (at 100% in 2 hours) 1 hour (at 80% in 1 hour) 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. 300 discharge/charge cycles 0° to 35°C (32° to 95°F) -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.

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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
0
º
(
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.