(continued)If the number of hard disk drives or CD-ROM in the Installed Deviceslist is not correct:1. Check the installation of the drive ribbon cable from the host card to thesystem board and the drive cable from the drive to the client card. Besure that Hard Disk Drive 1 and Hard Disk Drive 2 in the Setup Utilityare connected to the primary hard disk drive connector J5 on thesystem board.2. Check the hard disk drive jumper settings (see “Parts/Test PointLocations” on page 5-1).3. Check the voltages to the disk drive power connectors with the poweron (see “Power Supply” on page 2-35).4. Try to correct the drive setting in the 3 (SETUP) option in the SetupUtility.5. Run the “Diagnostics Device Presence Test” on page 2-43 for hard diskdrives and CD-ROM drive.6. Restart the system and check the Setup Utility.7. In the Setup Utility, check that the correct drive size is set for theflagged drive shown in the Installed Devices list. If any drive is flagged as Not Installed, check the signal andpower cable for that drive. If the first drive is flagged as Not Installed, replace the primarydrive. If all drives are flagged as Not Installed, replace the primary drive. If any drive (other than the first drive) is flagged as Not Installed,replace that drive.If the problem remains, check the continuity on the drive cable andreplace the cable if necessary. If that does not fix the problem,replace the system board.8. If an upgrade processor is installed, make sure that the processor speedshown is correct.Note: The CD-ROM must be the last device installed and jumpers setcorrectly to be listed in the Setup Utility. See “Hard Disk DriveJumper Settings” on page 5-10 for factory-installed drive devicejumper settings and “CD-ROM Drive Jumper Settings” onpage 5-13.Also ensure the CD-ROM cable is installed in connector J6 onthe system board.For Aptiva models that come with an internal Zip drive, the2-48