mmap of 0x0-0x9FFFF /dev/mem by "hwinfo" on HP sx1000 with VGA enabled
- See https://bugzilla.novell.com/show_bug.cgi?id=140858.
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The EFI memory map reports the following attributes:
0x00000-0x9FFFF WB only
0xA0000-0xBFFFF UC only (VGA frame buffer)