
Appendix A
Specifications
This appendix summarizes the computer’s technical specifications.
Environmental Requirements
Conditions Ambient temperature Relative humidity
Operating 5°C (41°F) to 35°C
(95°F)
20% to 80%
(noncondensing)
Non-operating -20°C (-4°F) to 60°C
(140°F)
10% to 90%
(noncondensing)
Wet-bulb temperature 26°C maximum
Conditions Altitude (from sea
level)
Operating 0 to 3,000 meters
Non-operating 0 to 10,000 meters
maximum
Power Requirements
AC adaptor 100-240 volts AC
50 or 60 hertz (cycles per second)
Computer 19V DC
NB500/NB520/NB550D
User's Manual A-1
Commenti su questo manuale