Acer Aspire T130 Service Manual page 47

Parameter
PCI/VGA Palette Snoop
Chapter 2
Description
Disabled - Data read or written by the CPU is only
directed to the PCI VGA device's palette registers.
Enabled - Data read or written by the CPU is
directed to 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.
Option
Disabled
Enabled
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