Wide Scsi

After the mini-port drivers, class drivers and SCSI disk are initialized during Windows boot process, the system queries the BIOS for drive translation. The general value returned by most of the SCSI devices is 255 heads and 63 sectors for each track. Windows 2000 uses this value as default when the SCSI adapter BIOS is turned off. Windows NT also performs similar kind of computation while such situations, but uses smaller values. For this reason, you might encounter several issues after you upgrade your system to Windows 2000, when the drive translation feature is turned off. The partition table might get corrupt if you try to alter it anyway, for example when attempting to create or delete a disk partition. However, to restore such partitions, it is suggested to apply a valid data backup or use Partition Recovery Software to extract them.

To exemplify, consider an instance when you try to use Disk Management to delete or create a new logical drive in extended partition of your Windows 2000 based computer. The operation might fail with the below error message:

"The Server Threw an Exception"

You cannot access the logical drives of the extended partition after this error message occurs. The drives are either lost or damaged.

Cause

The error primarily occurs when you use a Windows 2000 system that has been upgraded from Windows NT 4.0. If the drive translation feature is turned off or the drive has been moved to a controller position where no drive translation is performed, the differences in ways Windows 2000 and NT handle drive translation can cause the drives to render inaccessible. This happens because Disk Management needs to perform few modifications in disk partition table.

Solution

Data Recovery Software is a professional and reliable Partition Recovery tool with advanced options and features. It is a safe utility that supports Windows 7 RC1, Vista, XP, 2003 and 2000 based systems. The tool provides you advanced features like Append Header, RAW File Recovery, Save Scan and more.

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