Apple Macintosh Performa 577 - Manual (Page 16)

Specifications Environmental - 11
Environmental
Operating
Temperature
50–104° F (10–40° C)
Storage
Temperature
-40 to 116° F (-40 to 47° C)
Relative Humidity
20–95% noncondensing
Altitude
0–15,000 ft. (0–4722 m)