> No they're not. The 0xa0000...0xbffff range has been a legacy video > area since the very first PC (although the first PC only used > 0xb0000..0xbffff, 0xa0000..0xbffff was declared reserved at that time.) Depending on your definition of "PC". Quite a few early MSDOS systems had video elsewhere. Some embedded systems without video use the space for other stuff. Lots of ISA 386/486 PCs had cards borrowing the unused bits of video space. > I'm wondering what those legitimate reasons are. This is particularly > so since it affects our ability to deal with very early errors, long > before we have enumerated anything. At this point we can at least lay > down bytes in the video area and hope the user can see them. Thats why you have the bios equipment byte and video queries. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
