IBM International ISDN User Manual page 82

Prerequisites for the cFos Installation and Additional Tips
11.1.2 Prerequisites for the cFos Installation and
Additional Tips
Before you can install cFos, the device drivers for the IBM In-
ternational ISDN PC Card must be installed in your system.
Please read the corresponding chapters in this User's Guide
to install the device drivers for the IBM International ISDN PC
Card.
Tips
1. The following installation sections contain instructions
for installing cFos. In the cFos Setup program, you may
find that almost all COM ports have been selected by
default. When configuring these settings, observe the
following:
– Avoid selecting COM1 and COM2 if possible. Select-
– Activating all COM ports will consume a consider-
– Using cFos with all the available COM ports results
– If you use both an analog modem and the IBM Inter-
82 ISDN PC Card – 11 Implementations of the IBM International ISDN PC Card
ing these ports may cause conflicts. The safest
method is to select only COM ports above COM4,
unless your application program only supports
COM1 to COM4. If this is the case, try to use either
COM4 (recommended) or COM3 (if you have no al-
ternative).
able amount of system memory. Try to use cFos with
only as many COM ports as you actually need. No
more than two or three COM ports are recommend-
ed.
in a very large status window.
national ISDN PC Card, and you have selected all
COM ports in the cFos Setup–that is, COM1 to COM9
are all configured for use by cFos–then your analog
modem may be assigned the next free COM port
available, such as COM10. It is strongly recommend-
ed that you install the analog modem first and as-
sign it a free COM port between COM1 and COM4.
Then install the IBM International ISDN PC Card, fol-
lowed by cFos.