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Feature
Advanced PCI/PnP Settings
Clear NVRAM
Plug & Play OS
PCI Latency Timer
PCI Bus Scen Order
Allocate IRQ to PCI VGA
Palette Snooping
PCI IDE BusMaster
Option
No
Clears NVRAM during system
Boot.
Yes
No: lets the BIOS configure all the
devices in the system.
Yes
Yes: lets the operating system
configure Plug and Play (PnP)
devices not required for boot if
No
your system has a Plug and Play
operating system.
32
This setting controls how many
PCI clocks each PCI device can
64
hold the bus before another PCI
96
device takes over. When set to
128
higher values, every PCI device
can conduct transactions for a
160
longer time and thus improve the
192
effective PCI bandwidth.
224
Values in units of PCI clocks for
PCI device latency timer register.
248
Ascent: Scan PCI bus from bus 0
Ascent
to maximum.
Descent: Scan PCI bus from
Descent
maximum to bus 0.
Yes: assigns IRQ to PCI VGA card
Yes
if card requests IRQ.
No
This is the default setting and
should not be changed unless the
Disabled
VGA card manufacturer requires
Palette Snooping to be Enabled.
Enabled: informs the PCI devices
that an ISA graphics device is
Enabled
installed in the system so the card
will function correctly.
Disabled
Enabled: BIOS uses PCI bus
mastering for reading / writing to
Enabled
IDE drives.
Reserved
61
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