Acer Aspire 3660 Service Manual page 59

Environmental Requirements
Item
Temperature
Operating
Non-operating
Humidity
Operating
Altitude
Chapter 1
+5 ~ +35°C
-20 ~ +65°C (storage package)
20% ~ 80% without condensation
Operating sea level 0 to 10,000ft
Storage sea level 0 to 40,000ft
Specification
53