Compaq Evo n400c Compaq Evo Notebook N400c Hardware Guide - Page 105

Operating Environment, Rated Power Input, Port and COM Port Settings, Specifications, Hardware Guide

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Specifications Operating Environment (Continued) Factor Maximum Altitude (nonpressurized) Operating Nonoperating U.S. 10,000 ft 30,000 ft Metric 3,048 m 9,144 m Rated Power Input Input Power Rating Operating voltage 100-120/220-240 VAC RMS Operating current 2.7/0.6 A RMS Operating frequency range 50-60 Hz AC When powered by a DC source 18.5V MAX ✎ This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 Vrms. Port and COM Port Settings Port Serial port USB connector Parallel port Serial I/O connector Port COM1 Address 3F8h-3FFh 2400-241Fh 378-3FFh 3F8h-3FFh IRQ DMA 4 11 73 4 Hardware Guide 9-3

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Specifications
Hardware Guide
9–3
Maximum Altitude
(nonpressurized)
Operating
10,000 ft
3,048 m
Nonoperating
30,000 ft
9,144 m
Operating Environment
(Continued)
Factor
U.S.
Metric
Rated Power Input
Input Power
Rating
Operating voltage
100–120/220–240 VAC RMS
Operating current
2.7/0.6 A RMS
Operating frequency range
50–60 Hz AC
When powered by a DC source
18.5V MAX
This product is designed for IT power systems in Norway with
phase-to-phase voltage not exceeding 240 Vrms.
Port and COM Port Settings
Port
Port
Address
IRQ
DMA
Serial port
3F8h–3FFh
4
USB connector
2400–241Fh
11
Parallel port
378–3FFh
7
3
Serial I/O
connector
COM1
3F8h–3FFh
4