Supermicro X12STL-IF - Page 75

Chapter 4: BIOS
75
DMA Control Guarantee
Use this feature to enable or disable Direct Memory Access Control Guarantee. The options
are Enabled and Disabled.
IGD VTD Enable
Use this feature to enable or disable IGD VTD. The options are Enabled and Disabled.
IOP VTD Enable
Use this feature to enable or disable IOP VTD. The options are Enabled and Disabled.
Thermal Device (B0:D4:F0)
Use this feature to enable or disable SA Thermal Device. The options are Enabled and
Disabled.
GNA Device (B0:D8:F0)
Use this feature to enable or disable SA GNA Device. The options are Enabled and
Disabled.
PCH-IO Conguration
PCI Express Conguration
PCI Express Conguration
Peer Memory Write Enable
Use this feature to enable or disable peer memory write. The options are Disabled or
Enabled.
PCI Express Root port 1 - 24
ASPM
Use this feature to activate the Active State Power Management (ASPM) level for a
PCIe device. Select Auto for the system BIOS to automatically set the ASPM level
based on the system conguration. The options are Disabled, L0s, L1, L0sL1, and
Auto.
L1 Substates
Use this feature to set the PCI Express L1 Substates. The options are Disabled, L1.1,
and L1.1 & L1.2.