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System Overview 1-39
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Reset control . . . . . . . . . . . . push button
Power control. . . . . . . . . . . . push button
Power indicator . . . . . . . . . . green LED in normal operation; flashing
green LED in sleep state
Diskette-drive access
indicator . . . . . . . . . . . . . . . . green LED
Hard-disk drive access
indicator . . . . . . . . . . . . . . . . green LED
Link integrity indicator
(on systems with NIC
connector) . . . . . . . . . . . . . . green LED
Activity indicator
(on systems with NIC
connector) . . . . . . . . . . . . . . yellow LED
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Power supply wattage:
Low-profile
computers. . . . . . . . . . . . 145 W
Midsize computers . . . . 200 W
Mini tower
computers. . . . . . . . . . . . 200 W
OptiPlex NX1
computers . . . . . . . . . . . 80 W
Power-supply heat dissipation:
Low-profile
computers. . . . . . . . . . . . 808 BTU (nominal)
Midsize computers . . . . 913 BTU (nominal)
Mini tower
computers. . . . . . . . . . . . 913 BTU (nominal)
OptiPlex NX1
computers . . . . . . . . . . . 400 BTU (nominal)
Power supply voltage. . . . . . 90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz
Backup battery . . . . . . . . . . . 3-V CR2032 coin cell
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