58     IBM Desktop System HMM
Factory-Installed Modem Card
NOTE: 
The factory-installed modem is a 56.6 Kbps 
modem with a cable of microphone-in and 
speaker-out from system board. 
001 - START
•
In Windows 98 Device Manager, 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.
•
Power off the system unit. 
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 98. 
•
Power on the system unit. 
•
Perform the following steps under Windows 98.
NOTE: 
If an operating system other than Microsoft 
Windows 98 is installed, the program screens 
and icons may differ from these instructions.