Compaq Evo N400c Hardware Manual page 106

Specifications
Port and COM Port Settings (Continued)
Port
Infrared port
Internal modem
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
Storage
Relative Humidity (noncondensing)
Operating
Storage
Interfaces
Power Requirements
9–4
Port Address
COM3 3E8h–3Efh
COM2 2F8h–2FFh
IRQ
3
11
32° to 167°F (0° to 75°C)
–40° to 167°F (–40° to 75°C)
–10 to 90% (–10 to 90%)
–5 to 95%@102°F (–5 to 95%@ 39°C)
Communications connector
Telephone, central office network
Standard RJ-11 telephone connector
Internal DAA
+3.3 volts +/–5%, +3.3 vaux
+/–5%,+5 volts +/–5%
DMA
5
3
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