Dell Latitude C640 - Manual (Page 122)

Physical
Height 36.8 mm (1.4 inches)
Width 319.5 mm (12.5 inches)
Depth 253.6 mm (9.9 inches)
Weight (with 8-cell battery):
With travel module 2.4 kg (5.3 lb)
With floppy drive 2.6 kg (5.7 lb)
With CD drive 2.6 kg (5.8 lb)
Environmental
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Relative humidity (maximum):
Operating 10% to 90% (noncondensing)
Storage 5% to 95% (noncondensing)
Maximum vibration (using a random-vibration spectrum that simulates
user environment):
Operating 0.9 GRMS
Storage 1.3 GRMS
Maximum shock (measured with HDD in head-parked position and 2 ms
half-sine pulse):
Operating 122 G
Storage 163 G
Altitude (maximum):
Operating –15.2 to 3048 m (–50 to 10,000 ft)
Storage –15.2 to 10,668 m (–50 to 35,000
ft)