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Chapter 3
3-6 PNP/PCI Configurations
This section provides IRQ and DMA setting information. By choosing the PNP/PCI
Configuration option from the CMOS Setup Utility menu (Figure 3-1), the screen below
is displayed. This screen contains the manufacturer's default values for the motherboard.
PNP OS Installed
If you want to install a PNP compatible OS (such as Windows 95) , then set it to Yes.
Reset Configuration Data:
If you want to reset CMOS IRQ divide hardware device, please selected to [Enabled].
Resources Controlled By
When set to Manual the system BIOS will not refer to the ESCD for IRQ & DMA
information. Instead, it will refer to the items in the setup menu for assigning IRQ &
DMA. When set to Auto the system BIOS will refer to the ESCD for all legacy
information. ESCD (Extended System Configuration Data) provides a detailed format
of the configuration data structures stored in flash memory. Each data structure defines
the resources used by a device or a card in the system. This includes legacy and PCI/ISA
PnP devices.
PCI/VGA Palette Snoop
When set to [Enabled], multiple VGA devices operating on different buses can handle
data from the CPU on each set of palette registers on every video device. Bit 5 of the
command register in the PCI device configuration space is the VGA Palette Snoop bit (0
is disabled). Available options are [Enabled] and [Disabled].
Assign IRQ For VGA/USB
Available options: [Enabled] and [Disabled].
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Figure 3-7
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