Earlier BIOS builds were unlocked but more recently they have been released as locked after update. A lock code can be built in by HP that is intended to prevent downgrading of BIOS to an earlier version after an upgrade has been done. The Password Jumper being absent allows unlocking that lock.
Оборудование:HP Z620. Тип программы:BIOS. Описание:BIOS Configuration Utility (BCU) for HP Z620 Type: Software - System Managemen This package contains a utility used to manage BIOS settings and BIOS password for supported models running a supported operating system.
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