Lenovo ThinkCentre M55e Hardware Maintenance Manual - Page 51

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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 54 for error code listings. Fixed disk advanced test (FDAT) PC-Doctor Fixed-Disk1 Advanced Test module (FDAT) is a full-featured highly configurable fixed-disk test suite. The configurable capabilities of FDAT allow users to enable or disable specific tests, enable or disable testing features, control the test log detail, alter testing parameters, and so on. FDAT tests for and reports most commonly found errors on a fixed-disk drive and is able to test up to 128 SCSI and 4 IDE drives (up to 132 total drives). Drive information is gathered through FDAT's enumeration of available devices and user specific configuration parameters located in the FDAT.INI. FDAT uses information supplied by these features to indicate specifically what devices are available for test, what tests are available for the device, device properties, and so on. To change testing parameters, you modify the FDAT.INI file in PC Doctor for DOS. FDAT consists of the following subtests and features. Fixed-Disk Tests: v Seek Tests: - checks the physical operation of the drive head. - Linear Seek - Random Seek - Min-Max Seek - Butterfly Seek v Verify Tests: - checks the integrity of the data present on the media. - Linear Verify - Random Verify v Surface Scan Tests: - checks the drive media for defects. - Surface Scan (Linear) - Surface Scan (Aggressive) - this is disabled for normal customer use. - Surface Scan (Random) v Self-monitoring, Analysis and Reporting Technology (SMART) - checks the SMART functionality for drives that support SMART. - Start SMART Self-Test Other Test Features: 1. The terms fixed disk and hard disk are used interchangeably. Chapter 5. Diagnostics 45

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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
54
for
error
code
listings.
Fixed
disk
advanced
test
(FDAT)
PC-Doctor
Fixed-Disk
1
Advanced
Test
module
(FDAT)
is
a
full-featured
highly
configurable
fixed-disk
test
suite.
The
configurable
capabilities
of
FDAT
allow
users
to
enable
or
disable
specific
tests,
enable
or
disable
testing
features,
control
the
test
log
detail,
alter
testing
parameters,
and
so
on.
FDAT
tests
for
and
reports
most
commonly
found
errors
on
a
fixed-disk
drive
and
is
able
to
test
up
to
128
SCSI
and
4
IDE
drives
(up
to
132
total
drives).
Drive
information
is
gathered
through
FDAT’s
enumeration
of
available
devices
and
user
specific
configuration
parameters
located
in
the
FDAT.INI.
FDAT
uses
information
supplied
by
these
features
to
indicate
specifically
what
devices
are
available
for
test,
what
tests
are
available
for
the
device,
device
properties,
and
so
on.
To
change
testing
parameters,
you
modify
the
FDAT.INI
file
in
PC
Doctor
for
DOS.
FDAT
consists
of
the
following
subtests
and
features.
Fixed-Disk
Tests:
v
Seek
Tests:
-
checks
the
physical
operation
of
the
drive
head.
–
Linear
Seek
–
Random
Seek
–
Min-Max
Seek
–
Butterfly
Seek
v
Verify
Tests:
-
checks
the
integrity
of
the
data
present
on
the
media.
–
Linear
Verify
–
Random
Verify
v
Surface
Scan
Tests:
-
checks
the
drive
media
for
defects.
–
Surface
Scan
(Linear)
–
Surface
Scan
(Aggressive)
-
this
is
disabled
for
normal
customer
use.
–
Surface
Scan
(Random)
v
Self-monitoring,
Analysis
and
Reporting
Technology
(SMART)
-
checks
the
SMART
functionality
for
drives
that
support
SMART.
–
Start
SMART
Self-Test
Other
Test
Features:
1. The
terms
fixed
disk
and
hard
disk
are
used
interchangeably.
Chapter
5.
Diagnostics
45