Powertweak-Linux is a tool for tuning your system to its optimal performance settings. It also started life as the replacement for the now obsolete kernel option 'tune PCI bridges', and has been extended to provide more features and support more chipsets. It can also tune network/filesystem performance using /proc/sys entries, disk elevator settings, and x86 CPU registers (needs 2.2.18 or 2.4.0test kernel), CDROM speeds, hdparm type features, and Sony VAIO backlight. It has both GTK and ncurses GUIs. NEW - added linux 2.5 proc parameters NEW - added DMI BIOS parsing for hardware setup NEW - lspowertweak consol settings lister.