The usage of external large BIOS images (up to 512k) at memory top is Now supported, but we still recommend to use the BIOS distributed with Bochs. Romimage: file=mybios.bin, address=0xfff80000 Romimage: file=$BXSHARE/BIOS-bochs-latest, address=0xf0000 Romimage: file=bios/BIOS-bochs-latest, address=0xf0000 Now the start address can be calculated from image size. Megs: Set the number of Megabytes of physical memory you want to emulate. The default is 32MB, most OS's won't need more than that. The maximum amount of memory supported is 2048Mb. Optromimage1:, optromimage2:, optromimage3: or optromimage4:You may now load up to 4 optional ROM images. Read-only area, typically between C8000 and EFFFF. Optromimage1: file=optionalrom.bin, address=0xd0000 In the simulation, that can be retrieved by the boot loader It can also be a convenient way to upload some arbitrary code/data Those ROM images will be initialized by the bios if they contain ROM images should not overwrite the rombios (located atį0000-FFFFF) and the videobios (located at C0000-C7FFF). Vgaromimage: file=$BXSHARE/VGABIOS-lgpl-latest Vgaromimage: file=bios/VGABIOS-lgpl-latest Vgaromimage: file=bios/VGABIOS-elpin-2.40 Vgaromimage: You also need to load a VGA ROM BIOS into 0xC0000. Vga: Here you can specify the display extension to be used. You can use standard VGA with no extension. Other supported values are 'vbe'įor Bochs VBE and 'cirrus' for Cirrus SVGA support. Point this to the pathname of a floppy imageįile or device. You can set the initial status of the media to If you'reīooting from a floppy, floppya should point to Floppya is the first drive,Īnd floppyb is the second drive. Bochs configuration file for windows series#.Bochs configuration file for windows Pc#.Bochs configuration file for windows code#.
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