IBM Aptiva, Hardware Maintenance Manual, Page: 83 / 282

2-30
Factory-Installed Modem Card
NOTE: The factory-installed modem is 33.6 Kbps or 56 Kbps modem. A 4-
pin voice-in/speaker-out cable should present if it has voice feature.
001 - START
−
Power off the system unit.
−
Ensure that the modem is not configured with a conflicting COM
port and IRQ setting.
−
Ensure that the communication software is configured with the
correct COM and IRQ settings (same COM port and IRQ as the
modem).
−
Ensure that all communication parameters (baud rate, data, stop
and parity bits) are properly configured and are identical on both
sides.
−
Connect the phone line to the LINE port of the modem card.
NOTE: Check the outside phone line by connecting a working telephone
to the telephone wall jack. Listen for a dial tone to ensure that
the phone line is good.
002 -
−
Insert the diagnostics diskette into the diskette drive.
−
Power on the system unit.
−
Select Diagnostics menu,
−
Select All Tests, then execute Modem test.
003 - DOES THE MODEM PASS THE TEST? (YES, READ AHEAD. NO,
GO TO STEP 004.)
−
Power off the system unit.
−
Remove all adapter cards.
−
Connect a hard disk drive with pre-loaded Windows 95 inside.
−
Power on the system unit.
−
Perform the following steps under Windows 95.