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Such an option ROM would hook INT 19h, the BIOS boot interrupt, to preempt the BIOS boot loader and substitute their own boot loader. 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 ...
Those Macintoshes include a ROM chip varying in sizes up to 4 megabytes (MB), [8] which contains both the computer code to boot the computer and to run the Mac OS operating system. The ROM-resident portion of the Mac OS is the Macintosh Toolbox and the boot-ROM part of that ROM was retroactively named Old World ROM upon the release of the New ...
Boot Service Discovery Protocol (BSDP) is an Apple-developed, standards-conforming extension of DHCP. [1] It allows Macintosh computers to boot from bootable images on a network instead of local storage media such as CD , DVD , or hard disk .
In October 2019, [150] Samsung announced the Chromebook 4 (11.6") and 4+ (15.6") models. Both continue the budget model Chromebook line with a dual core Intel Celeron N4000 processor. The 4+ has a larger display and has model choices up to 6 GB RAM. Reviews praised the cheap price and comfortable keyboard but criticized the terrible displays ...
The first stage of PC boot loaders (FSBL, first-stage boot loader) located on fixed disks and removable drives must fit into the first 446 bytes of the master boot record in order to leave room for the default 64-byte partition table with four partition entries and the two-byte boot signature, which the BIOS requires for a proper boot loader ...
The original motivation for EFI came during early development of the first Intel–HP Itanium systems in the mid-1990s. BIOS limitations (such as 16-bit real mode, 1 MB addressable memory space, [7] assembly language programming, and PC AT hardware) had become too restrictive for the larger server platforms Itanium was targeting. [8]
In this example of dual booting, the user chooses by inserting or removing the DVD from the computer, but it is more common to choose which operating system to boot by selecting from a boot manager menu on the selected device, by using the computer keyboard to select from a BIOS or UEFI Boot Menu, or both; the Boot Menu is typically entered by ...
On February 28, a Mac mini featuring an Intel Core Duo processor was unveiled. [36] On April 5, the dual-boot software Boot Camp was released as a trial version, which allowed Intel-based Mac owners to run Mac OS X and Microsoft Windows. [37] On April 24, a MacBook Pro replacement for the 17-inch PowerBook was announced. [38]