Miscellaneous Control - Nvidia MCP7A-ION Technical Manual

3-9 Miscellaneous Control

iGPU Spread Spectrum
The optional settings are; Disabled; 1.00% Tri-Down; 2.00% Tri-Down; 3.00% Tri -own;
5.00% Tri-Down ; 2.00% Tri-Down(0608).
IRQ Resources
Set it as Available or Reserved.
Available: Specified IRQ is available to be used by PCI/PnP devices.
Reserved: Specified IRQ is reserved for used by legacy ISA devices.
Palette Snooping
The optional settings are: Enabled; Disabled.
Enabled: informs the PCI devices that an ISA graphics device is installed in the system so the
card will function correctly.
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