Acer 4820T - Manual (Page 15)

Chapter 1 5
• External USB floppy disk drive
• External USB 56K modem
Warranty
• One-year International Travellers Warranty (ITW)
Environment
• Temperature:
• Operating: 5 °C to 35 °C
• Non-operating: -20 °C to 65 °C
• Humidity (non-condensing):
• Operating: 20% to 80%
• Non-operating: 20% to 80%