Asus P7P55D Ram red light

[k0n5t4]

Just bought new desktop with Asus P7P55D and i5-750. Power on - Everything seems to work but Ram red light is on. No video display.
Ram: Kingston valueram 1333 2gb x3.

 

[k0n5t4]

Tried reseting CMOS, nothing. Still solid. red light :/ It beebs sometimes that ram cant be found.

 

[k0n5t4]

It works! I just putted my ram to a1 and b1 and then I turned power on. Works perfectly.