Dell Inspiron 4000 - Manual (Page 54)

Touch Pad
Interface PS/2 compatible
X/Y position resolution (graphics table mode)
240 cpi
Size:
Thickness 2.00 mm (0.08 inch) at highest component
Width 64.88-mm (2.55-inch) sensor-active area
Height 48.88-mm (1.92-inch) rectangle
Weight 6.5 g (0.23 ounce)
Power:
Supply voltage 5 V ± 0.5 VDC
Supply current 25 mA (maximum operating for track stick and touch
pad combined)
ESD in accordance with IEC-801-2
Track Stick
Interface PS/2 compatible
X/Y position resolution (graphics table mode)
240 counts/sec @ 100 gf
Size protrudes 0.5 mm higher than surrounding keycaps
Power:
Supply voltage 5 V ± 0.5 VDC
Supply current 25 mA (maximum operating for track stick and touch
pad combined)
ESD in accordance with IEC-801-2
Battery
Type 4-cell or 8-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 0.39 kg (0.87 lb) (8 cell)
0.22 kg (0.49 lb) (4 cell)
Voltage 14.8 VDC
Capacity 26.5 WHr (4 cell)
53 WHr (8 cell)
Charge time (approximate):
Computer off 1 hour and 6 minutes
Life span (approximate) 500 discharge/charge cycles
Temperature range:
Charge 0º to 35ºC (32º to 95ºF) (8 cell)
0ºto 40ºC (32º to 104ºF) (4 cell)
Storage – 20º to 65ºC (–4º to 140ºF)
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);
3.51 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 133.35 mm (5.25 inches)
Weight (with cables) 0.4 kg (0.9 lb)