PCI 2.1 Compliance This should be enabled unless you have one or more PCI cards that are not compatible
with the PCI 2.1 specification. Not applicable for PCI-Express slots.
PCI IDE BusMaster See ???IDE BusMaster.???
PCI IRQ Assignment This setting (usually a group of settings) allows you to assign IRQs to specific PCI slots.
PCI Latency Timer This sets the number of cycles during which a single PCI device can monopolize the
PCI bus. Increase this value for better performance, or decrease it if you run into problems.
The default is typically 32 cycles, but you may have success with 64 or 128
cycles.
Table A-1. Common BIOS settings and what they do (continued)
Setting Description
582 | Appendix A: BIOS Settings
PCI Pipelining Enable this to improve performance with your video adapter. Not applicable for PCIExpress
slots.
Plug and Play OS/
PnP OS Installed
Enable this feature to have Vista manage your Plug-and-Play (PnP) devices, or disable
it to have the BIOS manage PnP. This should be enabled if Vista is installed.
PME Resume See ???Remote Wake Up.???
Power Button Mode This allows you to choose whether your computer??™s power button shuts off the computer
(after holding it for four seconds) or forces your computer to enter a hibernate
state. See ???Start Windows Instantly (Almost),??? in Chapter 5, for related settings.
Power Lost Control See ???AC Power Recovery.???
Power Management This allows your operating system??™s APM (Advanced Power Management) feature to
turn off the various devices in your system to save power.
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