TYAN S3970, Manual

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