56     IBM Desktop System HMM
NOTE: The CD-ROM drive that comes with syste
unit should be configured as IDE Secondary 
Channel Master device. 
•
Check all power supply voltages, switch, and 
jumper settings before you replace the system 
board. (See “System Board Jumpers and 
Connectors” on page 109) 
•
Check the power supply voltages if you have a 
“system no-power” condition. See “Power Supply 
Connectors and Voltages” on page 111.
•
Check the hard disk and CD-ROM drives jumper 
settings. See “3.5-In. Hard Disk Drive Jumper 
Settings” on page 117. Check the voltages of all 
disk drive power connectors. See “Power Supply 
Connectors and Voltages” on page 111.
•
Correct the parameter settings under Disk Drives 
in the Configuration/Setup Utility. See “Hard Disk 
Drive” on page 4. 
-  In the Configuration/Setup Utility, check that the 
correct drive size is set for the flagged drive 
shown in the System Information. See “Viewing 
System Information, and Product Data” on page 
17. 
•
Enter Configuration/Setup Utility and load default 
settings. 
If the problem remains, check the continuity on the 
drive and the cable and replace it if necessary. If 
that does not fix the problem, replace the syste
board. 
•
End.
005 -
•
Select Diagnostics from the PC-Doctor diagnostics 
program main menu. Select and execute Floppy 
Disk Test if you want to test diskette drive. Select 
and execute Hard Disk Test if you want to test hard 
disk drive.
•
Select Interactive Tests from the PC-Doctor 
diagnostics program main menu, then select and 
execute CD-ROM/DVD Test if you want to test CD-
ROM drive.