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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.
Though NTLDR can boot DOS and non-NT versions of Windows, boot.ini cannot configure their boot options. For NT-based OSs, the location of the operating system is written as an Advanced RISC Computing (ARC) path. boot.ini is protected from user configuration by having the following file attributes: system, hidden, read-only.
The Itanium versions of Windows 2000 (Advanced Server Limited Edition and Datacenter Server Limited Edition; based on the pre-release Windows Server 2003 codebase) implemented EFI 1.10 in 2002. Windows XP 64-bit Edition, Windows 2000 Advanced Server Limited Edition (pre-release Windows Server 2003) and Windows Server 2003 for IA-64, all of ...
Some CPUs and SoCs may not use CPU cache as RAM on boot process, they use an integrated boot processor to do some hardware configuration, to reduce cost. [75] It is also possible to take control of a system by using a hardware debug interface such as JTAG. Such an interface may be used to write the boot loader program into bootable non-volatile ...
In x86 computers, a first-stage bootloader is a compact 512-byte program that resides in the master boot record (MBR) and executes when a computer starts. Running in 16-bit real mode at address 0x7C00, it performs minimal hardware initialization, sets up a basic execution environment, and locates the second-stage bootloader.
As with previous versions, Windows 10 has been developed primarily for x86 processors; in 2018, a version of Windows 10 for ARM processors was released. [24] Windows 10 received generally positive reviews upon its original release, with praise given to the return of the desktop interface, improved bundled software compared to Windows 8.1, and ...
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The total number of states is device or processor dependent, but can be no greater than 16. [41] P-states have become known as SpeedStep in Intel processors, as PowerNow! or Cool'n'Quiet in AMD processors, and as PowerSaver in VIA processors. P0 maximum power and frequency; P1 less than P0, voltage and frequency scaled