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42
Using BIOS
PNP/PCI Configurations
These options configure how PnP (Plug and Play) and PCI expansion cards operate in
your system. Both the the ISA and PCI buses on the motherboard use system IRQs
(Interrup ReQuests) and DMAs (Direct Memory Access). You must set up the IRQ and
DMA assignments correctly through the PnP/PCI Configurations Setup utility for the
motherboard to work properly. Selecting PnP/PCI Configurations on the main program
screen displays this menu:
Phoenix-AwardBIOS CMOS Setup Utility
PnP/PCI Configurations
Reset Configuration Data [Disabled]
Resources Controlled By [Auto(ESCD)]
IRQ Resources Press Enter
PCI/VGA Palette Snoop [Disabled]
Assign IRQ For USB [Enabled]
Item Help
Menu Level
F5:Previous Values F6:Fail-Safe Defaults F7:Optimized Defaults
: Move Enter: Select +/-/PU/PD:Value F10:Save ESC:Exit F1: General Help
X
Default is Disabled. Select
Enabled to reset Extended Sys-
tem Configuration Data
ESCD) when you exit Setup if
you have installed a new add-
on and the system
reconfiguration has caused
such a serious conflict that the
OS cannot boot
Reset Configuration Data [Disabled]
If you enable this item and restart the system, any Plug and Play configuration data
stored in the BIOS Setup is cleared from memory.
Resources Controlled By Auto [Auto(ESCD)]
You should leave this item at the default Auto (ESCD). Under this setting, the system
dynamically allocates resources to Plug and Play devices as they are required.
If you cannot get a legacy ISA (Industry Standard Architecture) expansion card to work
properly, you might be able to solve the problem by changing this item to Manual, and
then opening up the IRQ Resources submenu.
• IRQ Resources [Press Enter]: In the IRQ Resources submenu, if you as-
sign an IRQ to Legacy ISA, then that Interrupt Request Line is reserved for a
legacy ISA expansion card. Press <Esc> to close the IRQ Resources submenu.
PCI/VGA Palette Snoop [Disabled]
This item is designed to overcome problems that can be caused by some non-standard
VGA cards. This board includes a built-in VGA system that does not require palette
snooping so you must leave this item disabled.
Assign IRQ For USB [Enabled]
Names the interrupt request (IRQ) line assigned to the USB on your system. Activity of
the selected IRQ always awakens the system.