Compaq Evo n400c Compaq Evo Notebook N400c Hardware Guide - Page 106

Port and COM Port Settings, Modem Specifications, Hardware Guide

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Specifications Port and COM Port Settings (Continued) Port Port Address IRQ DMA Infrared port COM3 3E8h-3Efh 35 Internal modem COM2 2F8h-2FFh 11 3 ✎ If the computer is running Windows NT 4.0, the internal modem can also be set at COM4 and can also use IRQ 5 or 10. Modem Specifications Temperatures Operating 32° to 167°F (0° to 75°C) Storage -40° to 167°F (-40° to 75°C) Relative Humidity (noncondensing) Operating -10 to 90% (-10 to 90%) Storage -5 to 95%@102°F (-5 to 95%@ 39°C) Interfaces s Communications connector s Telephone, central office network s Standard RJ-11 telephone connector s Internal DAA Power Requirements +3.3 volts +/-5%, +3.3 vaux +/-5%,+5 volts +/-5% 9-4 Hardware Guide

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9–4
Hardware Guide
Specifications
Infrared port
COM3
3E8h–3Efh
3
5
Internal modem
COM2
2F8h–2FFh
11
3
If the computer is running Windows NT 4.0, the internal modem can also
be set at COM4 and can also use IRQ 5 or 10.
Port and COM Port Settings
(Continued)
Port
Port
Address
IRQ
DMA
Modem Specifications
Temperatures
Operating
32° to 167°F
(0° to 75°C)
Storage
–40° to 167°F (–40° to 75°C)
Relative Humidity (noncondensing)
Operating
–10 to 90% (–10 to 90%)
Storage
–5 to 95%@102°F (–5 to 95%@ 39°C)
Interfaces
■
Communications connector
■
Telephone, central office network
■
Standard RJ-11 telephone connector
■
Internal DAA
Power Requirements
+3.3 volts +/–5%, +3.3 vaux
+/–5%,+5 volts +/–5%