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SteamOS is a Linux distribution developed by Valve.It incorporates Valve's popular namesake Steam video game storefront and is the primary operating system for the Steam Deck, Valve's portable gaming device, as well as Valve's earlier Steam Machines.
A PBA environment serves as an extension of the BIOS, UEFI or boot firmware and guarantees a secure, tamper-proof environment external to the operating system as a trusted authentication layer. [2] The PBA prevents any operating system from loading until the user has confirmed he/she has the correct password to unlock the computer. [2]
The Steam Deck is a handheld gaming computer produced by Valve Corporation, designed to run the large library of games available on the Steam storefront client. Built upon the experiences gained from Valve's earlier ventures with Steam Machine and the Steam Controller , the Steam Deck integrates a custom AMD APU and SteamOS , a Linux-based ...
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Steam Machine is a discontinued series of small form factor gaming computers by Valve, designed to operate SteamOS to provide a home game console-like experience.Several computer vendors were engaged with Valve to develop their own versions of Steam Machines for retail, offering additional options atop Valve's requirements such as dual-booting options with Microsoft Windows and the ability to ...
When Secure Boot is enabled, it is initially placed in "setup" mode, which allows a public key known as the "platform key" (PK) to be written to the firmware. Once the key is written, Secure Boot enters "User" mode, where only UEFI drivers and OS boot loaders signed with the platform key can be loaded by the firmware.
Steam Deck. Valve released the Steam Deck, a handheld gaming computer running an updated version of SteamOS, with initial shipments starting on February 25, 2022. [350] The Deck is designed for the play of Steam games, but it can be placed into a separate dock that allows the Deck to output to an external display. [351]
The boot loader on the option ROM would attempt to boot from a disk, network, or other boot program source attached to or installed on the adapter card; if that boot attempt failed, it would pass control to the previous boot loader (to which INT 19h pointed before the option ROM hooked it), allowing the system to boot from another device as a ...