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• Function Code:
Represents the feature or function within the PC.
• Failure Type:
Represents the type of error encountered.
• DeviceID:
Contains the component's unit-ID which corresponds to either a xed disk drive, removable media drive,
serial or parallel port, processor, specic RIMM, or a device on the PCI bus.
• Date:
Contains the date when the diagnostic test was run. The date is retrieved from CMOS and displayed
using the YYYYMMDD format.
• ChkDigits:
Contains a 2-digit check-digit value to ensure the following:
– Diagnostics were run on the specied date.
– Diagnostics were run on the specied computer.
– The diagnostic error code is recorded correctly.
• Text:
Description of the error.
Note: See "Diagnostic error codes" on page 44
for error code listings.
Quick and Full erase - hard drive
The diagnostics program offers two hard drive format utilities:
• Quick Erase Hard Drive
• Full Erase Hard Drive
The Quick Erase Hard Drive provides a DOS utility that performs the following:
• Destroys the Master Boot Record (MBR) on the hard drive.
• Destroys all copies of the FAT Table on all partitions (both the master and backup).
• Destroys the partition table.
• Provides messages that warn the user that this is a non-recoverable process.
The Full Erase Hard Drive provides a DOS utility that performs the following:
• Performs all the steps in Quick Erase.
• Provides a DOS utility that writes random data to all sectors of the hard drive.
• Provides an estimate of time to completion along with a visual representation of completion status.
• Provides messages that warn the user about non-recoverable process.
Important: Make sure that all data is backed up before using the Quick or Full Erase functions.
To select the Quick Erase or Full Erase Hard Drive utility, use the following procedure:
1. Select the UTILITY option on the toolbar and press Enter.
2. Select either the QUICK ERASE or FULL ERASE HARD DISK option and follow the instructions.
Viewing the test log
Errors reported by the diagnostic test will be displayed by the program as a failed test.
36 ThinkCentre Hardware Maintenance Manual