IBM Aptiva 2158 Hardware Maintenance Service

Also see for Aptiva 2158: Maintenance and service manual

52Factory-Installed Modem CardNOTE: The factory-installed modem is a 56.6 Kbps modem with a cable ofmicrophone-in and speaker-out from system board.001 - START• In Windows 98 Device Manager, ensure that the modem is not configuredwith a conflicting COM port and IRQ setting.• Ensure that the communication software is configured with the correct COMand IRQ settings (same COM port and IRQ as the modem).• Ensure that all communication parameters (baud rate, data, stop and paritybits) 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 thetelephone wall jack. Listen for a dial tone to ensure that the phone lineis 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, GOTO 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, theprogram screens and icons may differ from these instructions.1. Start Microsoft Windows 98.2. Select the Start icon.3. Select Program, then select Accessories, Hyper Terminal.4. Select an on-line service station, dial and connect to it.