x1 riser cable in x16 slot

[LaggeD]

First of all hello

Now cut to the case. I have x1 -> x16 riser cables ( powered ).. Problem is that when I plug it into x16 slot on motherboard, it does not work Any ideas why ? It works in x1 slot on motherboard.

Any ideas why ?
Thanks.

PCI-e x1 pinout: http://prntscr.com/2nb57d
PCI-e x16 pinout: http://prntscr.com/2nb5d4

To me it looks the same and it should work...
http://pinouts.ru/Slots/pci_express_pinout.shtml

Oh. Meybe it is PCI-e x16 slot on motherboard. Side B

81    PRSNT#2    Hot plug present detect
82    RSVD#2    Hot Plug Detect

Any ideas how to fix ?

[LaggeD]

Fixed IT !

Bricked:
Side A: PIN 1       PRSNT#1    Hot plug presence detect
Side B: PIN 17    PRSNT#2    Hotplug detect

Hope it will solve some problems