p45 - r7 on riser 1xpci e works
p45 - r9 nano on riser 1x pcie doesnt work
z97 anniversary- r7 on 1x doesnt work
z97- r9 nano on 1x doesnt work
z97- r9 nano 16x works
Do you have more than one riser? One of them is bad.
- the riser on the P45 with the 240 works
- the riser on the P45 with the nano doesn't work
- the riser on the Z97 doesn't work with either card
- the nano works on the Z97 works without a riser