The primary purpose of Zu.beta 2.0 is to remove or bypass ATA-level passwords that prevent a system from booting or accessing a drive's data.

Because this software interacts directly with hard drive controllers at a low level, it has very strict hardware and software requirements:

: Capable of unlocking forgotten passwords on multiple hard drive brands, including Western Digital, Maxtor, Hitachi, and Fujitsu.

Zu.beta is considered "abandonware" or a legacy utility, so it is usually found in specialized firmware and hardware forums rather than a standard official website.