Dell Inspiron 4100 - Manual (Page 62)

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Keyboard
Number of keys 87 (U.S. and Canada); 88 (Europe); 91 (Japan)
Key travel 2.7 mm ± 0.3 (0.11 inch ± 0.016 inch)
Key spacing 19.05 mm ± 0.3 mm (0.75 inch ± 0.012 inch)
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 key caps
Battery
Type 8-cell "smart" lithium ion (59 WHr)
4-cell "smart" lithium ion (26.5 WHr)
Dimensions:
Depth 88.5 mm (3.48 inches)
Height 21.5 mm (0.83 inch)
Width 139.0 mm (5.47 inches)
Weight 0.39 kg (0.87 lb) (8 cell) 0.26 kg (0.57 lb) (4 cell)
Voltage 14.8 VDC
Charge time (approximate):
Computer off 1 to 1.5 hours (8 cell)
0.75 to 1 hour (4 cell)
Operating life approximately 2 to 4 hours with 8-cell battery
Life span (approximate) 500 discharge/charge cycles
Temperature range:
Operating 0º to 35ºC (32º to 95ºF)
Storage – 40º to 65ºC (–40º to 149ºF)
AC Adapter
Input voltage 90 to 264 VAC
Input current (maximum) 1.7 A
Input frequency 47 to 63 Hz
Output current 4.5 A (maximum at 4-second pulse);
3.5 A (continuous)
Output power 70 W
Rated output voltage 19.5 VDC
Dimensions:
Height 27.94 mm (1.1 inches)
Width 58.42 mm (2.3 inches)
Depth 133.85 mm (5.25 inches)
Weight (with cables) 0.4 kg (0.9 lb)
Temperature range:
Operating 0º to 35ºC (32º to 95ºF)
Storage – 40º to 65ºC (–40º to 149ºF)