4-16
X9DR3-LN4F+/X9DRi-LN4F+ Motherboard User’s Manual
SCU RAID Option ROM/UEFI Driver
Select Enabled to support the onboard SCU Option ROM to boot up the system via
a storage device. The options are Disabled and Enabled.
SCU Port 0~SCU Port 7: The AMI BIOS will automatically detect the onboard SCU
devices and display the status of each SCU device as detected.
PCIe/PCI/PnPConguration
Launch Storage OpROM Policy
This feature controls how the system executes UEFI (Unied Extensible Firmware
Interface) and legacy storage OpROM. Select Legacy only to boot the system us-
ing a legacy storage device. Select UEFI only to use UEFI Storage Option ROM to
boot the system. The options are UEFI only and Legacy only.
PCI Latency Timer
Use this feature to set the latency timer for each PCI device installed on a PCI bus.
Select 64 to set the PCI latency to 64 PCI clock cycles. The options are 32 PCI clock
cycles, 64 PCI clock cycles, 96 PCI clock cycles, 128 PCI clock cycles, 160 PCI
clock cycles, 192 PCI clock cycles, 224 PCI clock cycles, and 248 PCI clock cycles.
PERR# Generation
Select Enabled to allow a PCI device to generate a PERR number for a PCI Bus
Signal Error Event. The options are Enabled and Disabled.
SERR# Generation
Select Enabled to allow a PCI device to generate an SERR number for a PCI Bus
Signal Error Event. The options are Enabled and Disabled.
Maximum Payload
Select Auto to allow the system BIOS to automatically set the maximum payload
value for a PCI-E device to enhance system performance. The options are Auto,
128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
Maximum Read Request
Select Auto to allow the system BIOS to automatically set the maximum Read
Request size for a PCI-E device to enhance system performance. The options are
Auto, 128 Bytes, 256 Bytes, 512 Bytes, 1024 Bytes, 2048 Bytes, and 4096 Bytes.
ASPM Support
Use this feature to set the Active State Power Management (ASPM) level for a PCI-E
device. Select Force L0 to force all PCI-E links to operate at L0 state. Select Auto
To Next Page
Loading...
