Computer Hardware User Manual

ASUS P7P55-M 2-19
2.5.5 PCI PnP
The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
The menu includes setting IRQ and DMA channel resources for either PCI/PnP or legacy ISA
devices, and setting the memory size block for legacy ISA devices.
Take caution when changing the settings of the PCI PnP menu items. Incorrect eld values
can cause the system to malfunction.
Plug and Play O/S [No]
When set to [No], BIOS congures all the devices in the system. When set to [Yes] and if you
install a Plug and Play operating system, the operating system congures the Plug and Play
devices not required for boot. Conguration options: [No] [Yes]
2.5.6 Intel VT-d [Disabled]
Allows you to enable or disable the Intel
®
Virtualization Technology for Directed I/O.
Conguration options: [Disabled] [Enabled]