IBM Aptiva Series Handbook page 128

Table 4: Error codes and messages (Continued)
Error codes Error messages
52 IDE Secondary Channel Master Drive
Error
53 IDE Secondary Channel Slave Drive
Error
55 Hard Disk Drive(s) Write Protected
61 CPU Clock Mismatch
70 Real Time Clock Error
71 CMOS Battery Bad
Note:
If any of the errors persist after performing the listed corrective actions, see "Chapter 2: HelpWare support and services" on
page 2-1 for information on obtaining service.
9-18 Chapter 9: Diagnosing and recovering from problems
Corrective actions
1. Make sure the hard disk signal cable is properly connected to
the drive and to the system board.
2. Make sure the drive power cable is properly connected.
3. Enter Setup and make sure that the IDE 2nd Channel Master
parameter is set to Auto.
4. If the error still appears after performing the above steps,
replace the hard disk drive. It may be defective.
1. Make sure the hard disk signal cable is properly connected to
the drive and to the system board.
2. Make sure the drive power cable is properly connected.
3. Enter Setup and make sure that the IDE 2nd Channel Slave
parameter is set to Auto.
4. If the error still appears after performing the above steps,
replace the hard disk drive. It may be defective.
Make sure that the Hard Disk Drive parameter under the Setup
Security menu is set to Normal.
Load the default settings in Setup.
1. Reset the Date and Time parameters in Setup, then reboot the
system.
2. If the error persists, replace the system battery. See the section
"Replacing the system battery" on page 8-6.
3. Load the Setup default settings after replacing the battery.
1. Replace the system battery. See the section "Replacing the
system battery" on page 8-6.
2. Load the Setup default settings after replacing the battery.