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The boot code in the VBR can assume that the BIOS has set up its data structures and interrupts and initialized the hardware. The code should not assume more than 32 KB of memory to be present for fail-safe operation; [1] if it needs more memory it should query INT 12h for it, since other pre-boot code (such as f.e. BIOS extension overlays, encryption systems, or remote bootstrap loaders) may ...
Bernzomatic is an American manufacturing company. It was founded by Otto Bernz (May 21, 1856 – February 17, 1932) in 1876 [ 1 ] [ 2 ] in Newark, New Jersey as Otto Bernz Co. . [ 2 ] The company manufactures handheld torches and accessories, especially gas burner torches using fuel cylinders containing butane , propane , MAPP gas , and oxygen ...
When a user is logging on to Windows, the startup sound is played, the shell (usually EXPLORER.EXE) is loaded from the [boot] section of the SYSTEM.INI file, and startup items are loaded. In all versions of Windows 9x except ME, it is also possible to load Windows by booting to a DOS prompt and typing "win".
Note: The column MBR (Master Boot Record) refers to whether or not the boot loader can be stored in the first sector of a mass storage device. The column VBR (Volume Boot Record) refers to the ability of the boot loader to be stored in the first sector of any partition on a mass storage device.
A Volume Boot Record (among other names) and an MBR (Master Boot record), are two completely different things. Put simply, the MBR is on the first sector of a hard drive preceding ANY partitions, while a Volume Boot Record (among other names) resides within the confines of a partition. --tallship 23 June 2012.
In computing, the BIOS parameter block, often shortened to BPB, is a data structure in the volume boot record (VBR) describing the physical layout of a data storage volume. On partitioned devices, such as hard disks , the BPB describes the volume partition, whereas, on unpartitioned devices, such as floppy disks , it describes the entire medium.
For NT and NT-based operating systems, it also allows the user to pass preconfigured options to the kernel. The menu options are stored in boot.ini, which itself is located in the root of the same disk as NTLDR. Though NTLDR can boot DOS and non-NT versions of Windows, boot.ini cannot configure their boot options.
The Emergency Repair Disk provides only the ability to restore the system to a bootable state. It is not a replacement for system and file backups. [1] Note: The emergency repair disk is not to be confused with a standard boot diskette as it cannot be used alone. Unlike the ERD in Windows NT 4.0, the Windows 2000 ERD does not store registry ...