User manual

31 AIMB-270 User Manual
Chapter 3 BIOS Operation
3.3.2 PCI Subsystem Settings
! PCI ROM Priority
Select the legacy or EFI compatible ROM
! PCI Latency timer
Value in units of PCI clocks for PCI device latency timer register.
! VGA Palette Snoop
This item is designed to solve problems caused by some non-standard VGA
cards.
! PERR# Generation
Enables or Disables PCI Device to Generate PERR#.
! SERR# Generation
Enables or Disables PCI Device to Generate SERR#.
! Relaxed Ordering
Enables or Disables PCI Express Device Relaxed Ordering.
! Extended Tag
If ENABLED, allows Device to use 8-bit Tag field as a requester.
! No Snoop
Enables or Disables PCI Express Device No Snoop option.
! Maximum Payload
Set Maximum Payload of PCI Express Device or allow System BIOS to select
the value.
! Maximum Read Request
Set Maximum Read Request Size of PCI Express Device or allow System BIOS
to select the value.
! ASPM Support
Set the ASPM Level: Force L0 - Force all links to L0 State: AUTO - BIOS auto
configure: DISABLE - Disables ASPM