Internal Modem Installation With Windows 3.X; A Word About Com Ports And Irqs - 3Com 005687-03 Manual

I
NTERNAL
You'll need these items from your
U.S. Robotics modem box:
modem
Connections CD
Plus:
a screwdriver (not included)
M I
ODEM NSTALLATION WITH
phone cord
3.
X
A Word about COM Ports
and IRQs
Most computer accessories — a mouse, sound
card, enhanced graphics card, scanner, etc. —
require a special connection through which they
can communicate with the computer. For some
devices, this connection is called a
communications (or COM) port. Most computers
have 1 or 2 COM ports, but they can have up to
4. Although internal modems do not connect to
COM ports directly, they do require a COM port
setting, which is determined by the setting on the
modem's COM jumper pins. Each COM port
uses an interrupt request (IRQ). An accessory
uses an IRQ to get the attention of your
computer's central
W
INDOWS
3