Lenovo 7812, Hardware Maintenance Manual

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Test results (N/A, PASSED, FAILED, ABORTED) are displayed in the field beside
the test description and in the test log. See “Viewing the test log” on page 49.
To select one or more tests, use the following procedure.
1. Open the corresponding test category.
2. Using the cursor movement keys, highlight the desired test.
3. Press the space bar.
A selected test is marked by >> . Pressing the space bar again de-selects a test
and removes the >>.
4. Repeat steps 2 and 3 above to select all desired tests.
Test results
Diagnostics test results produce the following error code format:
Function
Code
Failure Type DeviceID Date ChkDigits Text
v
Function Code:
Represents the feature or function within the PC.
v
Failure Type:
Represents the type of error encountered.
v
DeviceID:
Contains the component’s unit-ID which corresponds to either a fixed disk
drive, removable media drive, serial or parallel port, processor, specific RIMM,
or a device on the PCI bus.
v
Date:
Contains the date when the diagnostic test was run. The date is retrieved from
CMOS and displayed using the YYYYMMDD format.
v
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.
v
Text:
Description of the error.
Note: See “Diagnostic error codes” on page 56 for error code listings.
Quick and Full erase - hard drive
The diagnostics program offers two hard drive format utilities:
v
Quick Erase Hard Drive
v Full Erase Hard Drive
The Quick Erase Hard Drive provides a DOS utility that performs the following:
v
Destroys the Master Boot Record (MBR) on the hard drive.
v
Destroys all copies of the FAT Table on all partitions (both the master and
backup).
v
Destroys the partition table.
v
Provides messages that warn the user that this is a non-recoverable process.
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Hardware Maintenance Manual