Pnp/Pci Confi Gurations - Tangent Vita 8000S User Manual

PNP/PCI Confi gurations
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 confi guration space is the VGA Palette Snoop bit
(0 is disabled). For example, if there are two VGA devices in the computer (one PCI
and one ISA) and the:
VGA Palette Snoop
Bit Setting
Disabled
rected to the PCI VGA device's palette registers.
Enabled
both the PCI VGA device's palette registers and the ISA VGA
device's palette registers, permitting the palette registers of
both VGA devices to be identical.
The setting must be set to Enabled if any ISA bus adapter in the system requires VGA
palette snooping.
Maximum Payload Size
This setting specifi es the maximum TLP payload size for the PCI Express devices. The
unit is byte.
BIOS Setup
Action
Data read or written by the CPU is only di-
Data read or written by the CPU is directed to
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