Fixed Disk Advanced Test (Fdat) - Lenovo 3000 J 7387 Hardware Maintenance Manual

v ChkDigits:
v Text:
Note: See "Diagnostic error codes" on page 56 for error code listings.

Fixed disk advanced test (FDAT)

PC-Doctor Fixed-Disk
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.
v Verify Tests: - checks the integrity of the data present on the media.
v Surface Scan Tests: - checks the drive media for defects.
v Self-monitoring, Analysis and Reporting Technology (SMART) - checks the
Other Test Features:
1. The terms fixed disk and hard disk are used interchangeably.
Contains the date when the diagnostic test was run. The date is retrieved from
CMOS and displayed using the YYYYMMDD format.
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.
Description of the error.
1
Advanced Test module (FDAT) is a full-featured highly
– Linear Seek
– Random Seek
– Min-Max Seek
– Butterfly Seek
– Linear Verify
– Random Verify
– Surface Scan (Linear)
– Surface Scan (Aggressive) - this is disabled for normal customer use.
– Surface Scan (Random)
SMART functionality for drives that support SMART.
– Start SMART Self-Test
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Chapter 5. Diagnostics