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Dell Dimension E521 User Manual

Page 110

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110

Appendix

Rear of computer:

Link integrity light (on integrated
network adapter)

green light — A good connection exists between a 10 Mbps
network and the computer.

orange light — A good connection exists between a 100 Mbps
network and the computer.

off (no light) — The computer is not detecting a physical
connection to the network.

Network activity light (on
integrated network adapter)

yellow blinking light

Power

DC power supply:

Wattage

305 W

Maximum heat dissipation

1041 BTU/hr

NOTE:

Heat dissipation is calculated by using the power supply

wattage rating.

Voltage (see the safety instructions
located in the

Product Information

Guide for important voltage setting
information)

90 to 135 V and 180 to 265 V at 50/60 Hz

Backup battery

3-V CR2032 lithium coin cell

Physical

Height

41.4 cm (16.3 inches)

Width

18.8 cm (7.4 inches)

Depth

45.7 cm (18.0 inches)

Weight

12.7 kg (28.0 lb)

Environmental

Temperature:

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

20% to 80% (noncondensing)

Controls and Lights (continued)

book.book Page 110 Monday, July 23, 2007 3:47 PM