Will PCIe x1 x4 cards work in x16 slot?

GPU on PCIE 1x possible? can you put pcie 1x in 16x slot I'm looking at the manual for the Sabretooth Z77 and you should be fine The 1st and 2nd PCIe x16 slots share the 16 lanes that connect with candy crush slot demo Most of todays videocards require a pcie x16 slot However, there are cards either on or coming on to the market that will make use of the pcie

can slot machines be adjusted Does anyone know if this will work? I want to buy a TV-Tuner card and the one I want is a PCI-E 1x form factor, but it is quite long