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MS-7151 ATX Mainboard
PNP/PCI Configurations
This section describes configuring the PCI bus system and PnP (Plug & Play)
feature. PCI, or Peripheral Component Interconnect, is a system which allows
I/O devices to operate at speeds nearing the speed the CPU itself uses when
communicating with its special components. This section covers some very
technical items and it is strongly recommended that only experienced users
should make any changes to the default settings.
Clear ESCD
The ESCD (Extended System Configuration Data) NVRAM (Non-volatile Ran-
dom Access Memory) is where the BIOS stores resource information for both
PNP and non-PNP devices in a bit string format. When the item is set to [Yes],
the system will reset ESCD NVRAM right after the system is booted up and
then set the setting of the item back to [No] automatically.
Primary Graphic’s Adapter
This setting specifies which VGA card is your primary graphics adapter. Set-
ting options are:
[Auto] The system initializes the graphic’s adapter automatically.
[PCI Mode]The system initializes the PCI Express graphic first. If a PCI
Express graphic card is not available, it will initialize the internal
graphic’s adapter.
PCI Latency Timer
This item controls how long each PCI device can hold the bus before another
takes over. When set to higher values, every PCI device can conduct transac-
tions for a longer time and thus improve the effective PCI bandwidth. For better
PCI performance, you should set the item to higher values. Setting options:
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