72 System resources
Looking at communication ports
Your system’s communications ports include a fax/modem port or
network port (depending on your system configuration) and a serial
port.
Communication port settings are listed below.
Fax/modem or network — enabled.
Serial port 2 — enabled as serial port.
See the following sections for default system settings, interrupts, and
information to view system resources.
Looking at COM port and IRQ settings
The following settings are the default COM port and IRQ settings:
Fax/modem or network — on COM1 (IRQ10)
Serial port — on COM2 (IRQ3)
COM B — enabled as serial port
Windows 95 mode, MS-DOS mode, and MS-DOS box in
Windows 95
IRQ0 (timer)
IRQ1 (keyboard)
IRQ2 (programmable interrupt controller)
IRQ3 COM2 (serial port)
IRQ4 (available)
IRQ5 (sound)
IRQ6 (floppy disk controller)
IRQ7 (LPT1)
