00-INDEX - this file boot.txt - List of boot protocol versions earlyprintk.txt - Using earlyprintk with a USB2 debug port key. entry_64.txt - Describe (some of the) kernel entry points for x86. exception-tables.txt - why and how Linux kernel uses exception tables on x86 microcode.txt - How to load microcode from an initrd-CPIO archive early to fix CPU issues. mtrr.txt - how to use x86 Memory Type Range Registers to increase performance pat.txt - Page Attribute Table intro and API usb-legacy-support.txt - how to fix/avoid quirks when using emulated PS/2 mouse/keyboard. zero-page.txt - layout of the first page of memory.