Dell Precision M20 Dell€Precision€Mobile€Worksta - Page 105

Keyboard, Touch Pad, Track Stick, Battery, AC Adapter

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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 64.88 mm (2.55-inch) sensor-active area 48.88-mm (1.92-inch) rectangle Track Stick X/Y position resolution (graphics table mode) Size 250 count/sec @ 100 gf protrudes 0.5 mm higher than surrounding keycaps Battery Type Dimensions: Depth Height Width Weight Voltage Charge time (approximate): Computer on Computer off Operating time Life span (approximate) Temperature range: Operating Storage 6-cell "smart" lithium ion (53 WHr) (standard) 4-cell "smart" lithium ion (32 WHr) (optional) 88.5 mm (3.48 inches) 21.5 mm (0.83 inch) 139.0 mm (5.47 inches) 0.32 kg (0.7 lb) (6 cell) 0.25 kg (0.56 lb) (4 cell) 14.8 VDC 2.5 hours 1 hour varies depending on operating conditions and can be significantly reduced under certain power-intensive conditions See "Using a Battery" for more information on battery life. 300 discharge/charge cycles 0° to 35°C (32° to 95°F) -20° to 65°C (-4° to 149°F) AC Adapter NOTE: The 90-W AC adapter is optional and may not ship with your computer. Types Input voltage 90 W and 65 W 90-264 VAC (both) Input current (maximum) Input frequency 1.7 A (both) 47-63 Hz (both) Output current: 90 W 5.62 A (maximum at 4-second pulse); 4.62 A (continuous) 65 W 4.34 A (maximum at 4-second pulse); 3.34 A (continuous) Output power 90 W or 65 W Rated output voltage 19.5 VDC (both) Dimensions: Height 33.8-34.6 mm (1.34-1.36 inches) (90 W) Width 27.8-28.6 mm (1.10-1.12 inches) (65 W) 60.9 mm (2.39 inches) (90 W)

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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
64.88 mm (2.55-inch) sensor-active area
Height
48.88-mm (1.92-inch) rectangle
Track Stick
X/Y position resolution (graphics table mode)
250 count/sec @ 100 gf
Size
protrudes 0.5 mm higher than surrounding keycaps
Battery
Type
6-cell "smart" lithium ion (53 WHr) (standard)
4-cell "smart" lithium ion (32 WHr) (optional)
Dimensions:
Depth
88.5 mm (3.48 inches)
Height
21.5 mm (0.83 inch)
Width
139.0 mm (5.47 inches)
Weight
0.32 kg (0.7 lb) (6 cell) 0.25 kg (0.56 lb) (4 cell)
Voltage
14.8 VDC
Charge time (approximate):
Computer on
2.5 hours
Computer off
1 hour
Operating time
varies depending on operating conditions and can be
significantly reduced under certain
power
-
intensive
conditions
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
–20°
to 65°C (–4° to 149°F)
AC Adapter
NOTE:
The 90-W AC adapter is optional and may not ship with your computer.
Types
90 W and 65 W
Input voltage
90
–
264 VAC (both)
Input current (maximum)
1.7 A (both)
Input frequency
47
–
63 Hz (both)
Output current:
90 W
5.62 A (maximum at 4-second pulse); 4.62 A
(continuous)
65 W
4.34 A (maximum at 4-second pulse); 3.34 A
(continuous)
Output power
90 W or 65 W
Rated output voltage
19.5 VDC (both)
Dimensions:
Height
33.8
–
34.6 mm (1.34
–
1.36 inches) (90 W)
27.8
–
28.6 mm (1.10
–
1.12 inches) (65 W)
Width
60.9 mm (2.39 inches) (90 W)