The appellation BIOS (Basic Input/Output System) was invented by Gary Kildall and aboriginal appeared in the CP/M operating arrangement in 1975, anecdotic the machine-specific allotment of CP/M loaded during cossack time that interfaced anon with the accouterments (CP/M machines usually had alone a simple cossack loader in their ROM). Later versions of CP/M, as able-bodied as Concurrent CP/M, Concurrent DOS, DOS Plus, Multiuser DOS, Arrangement Manager and REAL/32 came with an XIOS (Extended Input/Output System) instead of the BIOS. Most versions of DOS accept a book alleged "IO.SYS", "IBMBIO.COM", "IBMBIO.SYS" or "DRBIOS.SYS", alleged the DOS BIOS, that is akin to the CP/M BIOS.
Among added classes of computers, the all-encompassing agreement cossack monitor, cossack loader or cossack ROM were frequently used. Some Sun and PowerPC-based computers use Open Firmware for this purpose. There are a
few alternatives for Legacy BIOS in the x86 world: Extensible Firmware Interface, Open Firmware (used on the OLPC XO-1) and coreboot
Among added classes of computers, the all-encompassing agreement cossack monitor, cossack loader or cossack ROM were frequently used. Some Sun and PowerPC-based computers use Open Firmware for this purpose. There are a
few alternatives for Legacy BIOS in the x86 world: Extensible Firmware Interface, Open Firmware (used on the OLPC XO-1) and coreboot
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