GFX0 Link Width

Option name:

GFX0 Link Width

Possible values of an option:

[X16], [X8] and, probably, [X4]

The option description:

Sets an amount of used lines PCI Express for the first PCI Express 16x slot  . Setting of as much as possible accessible value (normally [X16]) will be an optimal variant.

Other options identical to destination:

Link Width GFX1