Question : IBM iseries 520

What is the temperature and humidity range for operating an IBM iSeries 520 machine?  

Answer : IBM iseries 520

http://www-01.ibm.com/common/ssi/rep_ca/1/897/ENUS104-161/index.html

Temperature                     5(degs) to 35(degs)C (41(degs) to 95(degs)F)