Chapter 7: BIOS
7-17
PCIe/PCI/PnP Confi guration
This feature allows the user to set the PCI/PnP confi gurations for the following items:
Above 4G Decoding
Select Enabled for 64 -bit devic es to be dec oded above t he 4GB add ress spac e
If 64bit PCI decoding is supp or ted by the sy stem. The o ptio ns are Disabled and
Enabled.
VGA Palette Snoop
Select Enabled to suppor t VGA palette register snoo ping which will allow the
PCI cards that do not contain th eir own VGA co lor palett e to examine the vi deo
cards palette and mimic it for p rop er c o lo r disp lay. The opti on s are Disabled and
Enabled.
PERR# Generation
Select Enabled to allow a PCI device to generate a PERR number for a PCI Bus
Signal Error Event. The options are Disabled and Enabled.
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.
Slot 1 PCI 33MHz OPROM/Slot 2 PCI 33MHz OPROM
Use this feature to enable or disable PCI slot Option ROMs. This is to boot the
computer using a device installed on the slot specifi ed. The options are Disabled,
Legacy and EFI.
Launch Storage OPROM Policy
This feature controls how the system executes UEFI (Unifi ed Extensible Firmware
Interface), and legacy storage OPROM. Select Legacy Only to boot the system using
a legacy device installed in a PCI slot. The options are UEFI Only and Legacy Only.
Other PCI Device ROM Priority
This feature selects a PCI device OPROM to launch for system boot if this device
is not a network, mass storage, or video device. The options are UEFI Only and
Legacy Only.