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A modern PC is configured to attempt to boot from various devices in a certain order. If a computer is not booting from the device desired, such as the floppy drive, the user may have to enter the BIOS Setup function by pressing a special key when the computer is first turned on (such as Delete, F1, F2, F10 or F12), and then changing the boot order. [6]
Mac OS X booting up in single-user mode. In PowerPC-based Macintoshes, the boot process starts with the activation of BootROM, the basic Macintosh ROM, which performs a Power On Self Test to test hardware essential to startup. [4] On the passing of this test, the startup chime is played and control of the computer is passed to OpenFirmware.
A Mac booted in Target Mode can be attached to the port of any other computer, Mac or PC, where it will appear as an external device. Hard drives within the target Mac, for example, can be formatted or partitioned exactly like any other external drive. Some computers will also make their internal CD/DVD drives and other internal and external ...
Corvus was founded by Michael D'Addio and Mark Hahn in 1979. This San Jose, Silicon Valley company pioneered in the early days of personal computers, producing the first hard disk drives, data backup, and networking devices, commonly for the Apple II.
Restarting a computer also is called rebooting, which can be "hard", e.g. after electrical power to the CPU is switched from off to on, or "soft", where the power is not cut. On some systems, a soft boot may optionally clear RAM to zero. Both hard and soft booting can be initiated by hardware such as a button press or by a software command.
2009 - Western Digital is the first to offer a 1 TB hard drive in a 2.5 inch form factor. [57] 2009 – Western Digital ships first HDD with dual stage piezoelectric actuator [58] 2010 – First hard drive manufactured by using the Advanced Format of 4,096‑byte sectors instead of 512‑byte sectors. [59]: Overview
The Lisa 2/5 consists of a Lisa 2 bundled with an external 5- or 10-megabyte hard drive. [25] In 1984, at the same time the Macintosh was officially announced, Apple offered free upgrades to the Lisa 2/5 to all Lisa 1 owners, by replacing the pair of Twiggy drives with a single 3.5-inch drive, [ 24 ] and updating the boot ROM and I/O ROM.
2 Hard disk drives. 3 Optical drives. ... View history; General What links here; ... Macintosh 800K External Drive; Disk 5.25; Apple 3.5 Drive;