GPU is in first slot. Hmm I don't thik that I have bet pins but I will check this. Now I workin on bios F2. Just installed Windows 7 (before Windows XP) formated HDD. In bios set AHCI, before i was use IDE. Windows 7 working OK, gaming, watching films, surfing on internet no restart or turn off computer. Don't flashing to any other bioses right now.