Gigabyte GA-6PXSV1 User Manual page 53

IOH 0/1 PCIe port Bifurcation Control
IOU1 - PCIe Port
Options available: x4x4/x8.
PORT 1A Link Speed
Options available: Gen1/Gen2.
IOU2 - PCIe Port
Options available: x4x4x4x4/x4x4x8/x8x4x4/x8x8/x16.
PORT 2A Link Speed
Options available: Gen1/Gen2/Gen3.
IOU3 - PCIe Port
Options available: x4x4/x8.
PORT 3A Link Speed
Options available: Gen1/Gen2/Gen3.
Intel(R) VT-d
Enable/Disable Intel VT-d Technology function.
Options available: Enabled/Disabled. Default setting is Disabled.
- 53 - BIOS Setup