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 congures all the devices in the system. When set to [Yes] and if you
install a Plug and Play operating system, the operating system congures the Plug and Play
devices not required for boot. Conguration options: [No] [Yes]
2.5.6 Intel VT-d [Disabled]
Allows you to enable or disable the Intel
®
Virtualization Technology for Directed I/O.
Conguration options: [Disabled] [Enabled]