Chapter 4: BIOS
85
IIO Conguration
EV DFX Features
When this feature is set to Enable, the EV_DFX Lock Bits that are located on a proces-
sor will always remain clear during electric tuning. The options are Disable and Enable.
CPU Conguration
IOU0 (II0 PCIe Br1)
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
IOU1 (II0 PCIe Br2)
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
IOU2 (II0 PCIe Br3)
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied by the
user. The options are x4x4x4x4, x4x4x8, x8x4x4, x8x8, x16, and Auto.
MCP0 (II0 PCIe Br4)
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied by
the user. The options are x16 and Auto.
MCP1 (II0 PCIe Br5)
This item congures the PCI-E port Bifuraction setting for a PCI-E port specied by
the user. The options are x16 and Auto.
IOAT Conguration
Disable TPH
Transparent Huge Pages (TPH) is a Linux memory management system that enables
communication in larger blocks (pages). Enabling this feature will increase perfor-
mance. The options are No and Yes.
Prioritize TPH
Use this feature to enable Prioritize TPH support. The options are Enable and Disable.