Tyan Computer Transport GX21 B2735 - Manual (Page 95)

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Advanced PCI/PnP Menu
Feature Option Description
Advanced PCI/PnP Menu
Plug & Play OS Yes
No The Yes setting allows the operating
system to change the interrupt, I/O,
and DMA settings. Set this option if
the system is running Plug and Play
aware operating systems. Set No for
operating systems that do not meet
the Plug and Play specifications.
PCI Latency Timer 32, 64, 96
...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 trans-
actions for a longer time and thus
improve the effective PCI bandwidth.
Allocate IRQ to PCI
VGA Yes
No Allows or restricts the system from
giving the VGA adaptor an IRQ.
Palette Snooping Disabled
Enabled This is the default setting and should
not be changed unless the VGA card
manufacturer requires Palette Snoop-
ing to be Enabled.
PCI IDE Bus Master Disabled
Enabled ENABLED: BIOS uses PCI bus mas-
tering for reading / writing to IDE
drives.
IRQ3 - IRQ15 Available
Reserved Allows user to reserve a specific IRQ
for a legacy device (Note: most hard-
ware devices & OS do not support
manually assigned IRQs).
DMA0 ~ 7 Available
Reserved Allows user to reserve a specific IRQ
for a legacy device
Reserved Memory
Size Disabled
16K
32K
64K Size of memory block to reserve for
legacy ISA devices
Enabled BIOS Data
Area Enabled
Disabled Enable / Disable Extended BIOS
Data Area