Function Code
Failure Type
DeviceID
Date
ChkDigits
Text
•
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 that corresponds to either a fixed disk drive, removable media drive,
serial or parallel port, processor, specific 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 specified date.
– Diagnostics were run on the specified computer.
– The diagnostic error code is recorded correctly.
•
Text:
Description of the error.
Note:
See “Diagnostic error codes” on page 42 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
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.
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. Do the following:
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.
Chapter 5
.
Diagnostics
35
Summary of Contents for ThinkCentre M70z
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