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Secure Boot can also be placed in "Custom" mode, where additional public keys can be added to the system that do not match the private key. [73] Secure Boot is supported by Windows 8 and 8.1, Windows Server 2012 and 2012 R2, Windows 10, Windows Server 2016, 2019, and 2022, and Windows 11, VMware vSphere 6.5 [74] and a number of Linux ...
On system with BIOS firmware, the BIOS invokes MBR boot code from a hard disk drive at startup. The MBR boot code and the VBR boot code are OS-specific. In Microsoft Windows, the MBR boot code tries to find an active partition (the MBR is only 512 bytes), then executes the VBR boot code of an active partition.
With SLP 3.0, OEM SLP keys are no longer used at all. Instead, a tool is used by the OEM to embed a unique key in each computer's BIOS, making consumer versions of Windows 8 and later very difficult to pirate using the SLP insertion technique. [4] In the SLP 3.0 implementations, BIOS report the ACPI MSDM table to the operating system.
The desktop was made available in both tower and small form factors. [28] According to Lenovo, the use of Enhanced Experience 3.0 allowed the desktop to boot in less than 30 seconds. [28] The desktop optionally included AMD Radeon discrete graphics, with support for up to four independent displays. [28]
initialize BIOS; pass control to other specialized extension BIOSes (if installed) identify, organize, and select which devices are available for booting; The functions above are served by the POST in all BIOS versions back to the very first. In later BIOS versions, POST will also: initialize chipset
Anyone who could switch on the computer could boot it. [citation needed] Later, 386-class computers started integrating the BIOS setup utility in the ROM itself, alongside the BIOS code; these computers usually boot into the BIOS setup utility if a certain key or key combination is pressed, otherwise the BIOS POST and boot process are executed.
In Windows NT, the booting process is initiated by NTLDR in versions before Vista and the Windows Boot Manager (BOOTMGR) in Vista and later. [4] The boot loader is responsible for accessing the file system on the boot drive, starting ntoskrnl.exe, and loading boot-time device drivers into memory.
This is a Lenovo-exclusive version of LANDesk Management Suite designed to integrate with other ThinkVantage software; Productivity Center to access online documentation and tools; Power Manager to manage power usage in Windows XP, Vista, and 7 ThinkPad laptops as well as Windows XP, Vista, 7, and 8 desktops
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