IBM Aptiva Series Hardware Maintenance page 104

CD-ROM Driver:
IBMCD.SYS may be found on the PC-Doctor for DOS diskette; MSCDEX.EXE
may be found in your DOS directory. To activate the CD-ROM drive, add:
CONFIG.SYS:
DEVICE=CDROM.SYS /D:CD1
AUTOEXEC.BAT:
MSCDEX.EXE /D:CD1
Audio Parameter:
To initiate the audio controller, the following needs to be added:
AUTOEXEC.BAT:
SET BLASTER=A220 I5 D1 T4
Note: Testing of the modem in PC-Doctor requires that a working phone
line be attached to the LINE port of the modem. During the modem
test, PC-Doctor will issue a carrier detect; there must be tone on the
attached phone line. If there is no fax/modem card equipped in
system, then modem driver should not be installed, or system
will be hang while running PC-Doctor modem test.
Modem Driver:
SETPNP.EXE and AZTPATH.COM may be found on the PC-Doctor diskette.
To initiate the modem controller, the following needs to be added:
AUTOEXEC.BAT:
SETPNP.EXE
AZTPATH.COM
Note: Testing of the modem in PC-Doctor requires that a working phone
line be attached to the LINE port of the modem. During the modem
test, PC-Doctor will issue a carrier detect; there must be tone on the
attached phone line. If there is no fax/modem card equipped in
system, then modem driver should not be installed, or system
will be hang while running PC-Doctor modem test.
Note: Damage to the modem and to the system may result if connected to
a PBX.
power via standard RJ11 phone jacks to its equipment. Please make
sure the phone line you are connecting to the modem conforms to
conventional telephone standards.
Some PBX (private branch exchange) deliver electrical
Diagnostic Aids 3-5