DREVITALIZE DOCUMENTATION MAIN SCREEN. Advantages of new Drevitalize 2.42 package. SCSI mode added for non ATA drives, pen drives and ATA drives connected via USB.

DREVITALIZE DOCUMENTATION MAIN SCREEN DRevitalize is a program that repairs bad sectors (physical defects) on popular magnetic media (hard drives and also floppy drives to some extent) by generating a special sequence of high and low level signals around the physically damaged area. The surface of almost any drive can be repaired with this utility (even hard drives that were dropped down or exposed to electromagnetic fields). However, in some cases DRevitalize software will simply force reallocation of bad sectors instead of repairing them. Whether sectors are restored or reallocated is totally dependent on the drive surface and current drive setup which usually forces intelligent defect management by default. On the main screen there is a possibility to change the mode of operation and the system of operation. Mode can be either single or multi sector for fast area scans. Multi sector mode should be the default scan mode in most cases.

Single sector mode is designed to be used only for seriously damaged hard drives to precisely test a small area. System can be either WinAPI, ATA/SCSI or ATA/SCSI RV (Read Verify). Direct access modes like ATA/SCSI and ATA/SCSI RV are more precise and faster. This is especially true when a SATA drive is connected via USB bridge. In this case it is recommended to set the system of operation to SCSI RV to scan drives a lot faster, provided that the SCSI bridge translates SCSI RV (Read Verify) command. Drives with a file system mounted on them need to be locked first. If DRevitalize can't do it, those drives can still be tested in 'READ ONLY' mode.

Main system hard drive running the operating system can no longer be repaired under Windows Vista or higher. The DOS version should be used to do it if necessary.

OPTIONS SCREEN The options screen allows to select 1 of the 7 available functions. The scan only mode, scan and repair mode (read test), scan and repair mode (write test), analyze SMART data, copy raw data to a destination drive, features menu and device configuration overlay menu. READ TESTS There are 2 possible functions that execute read tests. The first one will only scan the selected drive area informing about slow and bad sectors.

This is the scan only function. The second one will try to repair bad sectors found on read access and refresh slow sectors if it was instructed to do so.

Refresh slow sectors must be explicitly specified by typing yes in the additional options menu. The default refresh slow sectors value is 150ms for multi sector and 20ms for single sector scan mode but the user can alter this value. This is the delay above which a slow sector will be treated as a bad sector and revitalized.

This is a very dangerous operation however and should be applied with caution and only if really necessary. Sudden power loss might result in severe data corruption on the revitalized drive. Further function specific options include the number of passes and repair count loop.

Number of passes is the amount of times the selected area will be scanned. Repair count loop value specifies the amount times the internal drive repair procedure is executed on a bad or slow sector. Control system engineering hasan saeed pdf free download for windows. WRITE TEST The write test will try to find bad sectors by executing sequential zero fill commands. If such bad sector, called bad sector on write, is discovered a modified revitalize procedure will be applied.

This modified procedure does not include any read commands. This is pure drive surface shaping via writing.

Like in the read tests, here it is also possible to refresh slow sectors on write. This works the same way except that only the simplified revitalize procedure including write commands is executed. COPY RAW DATA This is a completely new function introduced in v3.xx of Drevitalize used to copy sector by sector one drive to another with the possibility to provide arbitrary source and target offsets as well as the desired amount of sectors to copy. Both progress bars from source and destination are shown on the screen at the same time. Please note that only the source progress bar is updated with possible error codes (S - slow, B - bad, C – corrected). Statistics with access time are updated on the fly like on the scan screen.

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