![]() ![]() ![]() The Vendor ID is intended to identify the manufacturer of a product: all USB devices from the same manufacturer should have the same VID irrespective of what they are so a mouse, a phone, a disk drive, etc. Apart from being able to display it I am not sure if this is used by Linux.Įvery USB device has a Vendor ID (VID), Product ID (PID) and optionally a serial number. Windows Vista uses the Disk Signature to locate boot devices so changing it can prevent Vista from booting. The Disk Identifier is stored at byte offset 1B8 (hex) through 1BB (hex) in the MBR disk sector. A Disk Identifier/Disk Signature is a 4-byte number that is randomly generated when the Master Boot Record/Partition Table is first created and stored. This applies to an entire hard disk drive (not a single partition). ![]()
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