ASUS Sabertooth X58, Windows 7 SP1 x64
PCIEX16_3 (x4), drivers 7.0.1.19 or 7.0.1.20 : sometimes not detected at cold boot
PCIEX1_2 (x1), drivers 7.0.1.20 : sometimes not detected at cold boot
PCIEX1_2 (x1), drivers 7.0.1.19 : OK - Edit : sometimes not detected at cold boot