Asus P9D-X User Guide - Page 77

4.4.5 PCI Subsystem Settings Allows you to configure PCI, PCI-X, and PCI Express Settings. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced PCI Bus Driver Version V 2.05.02 PCI 64bit Resources Handling Above 4G Decoding [Disabled] Change PCI Express Devices Settings. PCI Common Settings Load RT32 Image [Enabled] PCI Express Settings PCIE Slot Configuration Above 4G Decoding [Disabled] This item allows you to enable or disable 64-bit capable devices to be decoded in above 4G Address Space if your system supports 64-bit PCI decoding. Configuration Options: [Disabled][Enabled] Load RT32 Image [Enabled] Allows you to enable or disable the RT32 Image Loading. Configuration Options: [Disabled][Enabled] PCI Express Settings Allows you to change the settings of the PCI Express Devices. Aptio Setup Utility - Copyright (C) 2013 American Megatrends, Inc. Advanced PCI Express Device Register Setting PCI Express Device Register Settings ASPM Support WARNING: Enabling ASPM may cause some PCIE devices to fail [Disabled] Set the ASPM Level: Force L0s - Force all links to L0s State : AUTO - BIOS auto configure :DISABLE Disables ASM ASPM Support [Disabled] This item allows you to enable or disable support to Active State Power Management (ASPM). ASPM is a power management protocol that is used to extend battey life. Configuration options: [Disabled] Disables ASMP [Auto] BIOS auto configure [Force L0s] Force all links to L0s State ASUS P9D-X 4-19