As you all know, i’m a big fan of virtualisation, however when i purchased my Sony Vaio VGN-FW31E the thing that highly disappointed me was that the VT-x extensions were disabled for the CPU, and there was no option in the BIOS to enable them, however i knew the CPU inside this laptop did indeed support VT-x.
For those of you who are wondering WTF? am i on about, VT-x extensions in the CPU allow virtualisation software such as Sun Virtualbox, Vmware, Linux KVM and others to perform direct real virtualisation rather than passing everything through the host os. This really improves speed / performance on virtual machines, aswell as allowing 64bit guests on a 32bit OS (as long as the host CPU is 64bit capable). It is really a must.
Anyway… After being annoyed for a long time i came across this website, on it the clever guy Igor has basically made a utility which grabs your bios from EEPROM, backs it up, patches it (by changing 1 bit only!) and reflash’s it back to your VAIO. Once this is done, VT-x extensions are enabled!!! however there are a few important notes / qwerkyness things. Anyway check out Igor’s site for full instructions, information and download!