Scan PCI bus and allocate resources for PCI devices.Also calls any expansion BIOS on a PCI card.īoot block loads rest of LILO using INT 13h calls Today operating systems have their own drivers.BIOS is only used to load the OS.Ĭonfigure onboard devices:(Super I/O, keyboard, floppy etc.) INT 10h - VideoINT 13h - DiskINT 15h - System information Provides a simple I/O interface to the operatingsystem and applications: What does a PC BIOS do?Initializes the hardware Well suited for embedded systems: smaller, faster, less complex and cheaper than a PC BIOS Purpose:Make it easier to manage large computing clusters Started by Ronald Minnich in 1999 at the Los Alamos National Laboratory (LANL) Open Source firmware for PC systems replacing a normal PC BIOS Christer Weinigel, Weinigel Ingenjrsbyr ABDoing Linux programming close to the hardwareġ) Introduction to LinuxBIOS and conceptsĢ) Porting LinuxBIOS to the Nano Computer
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