MSI G52-M6570XA-G22 - Manual (Page 69)

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MS-6570 ATX Mainboard
FSB Spread Spectrum
This item is used to enable or disable the FSB clock generator’s Spread
Specturm feature. When overclocking the FSB, always set it to Disabled.
Options: Disabled, 0.50%, 1.00%.
AGP Spread Spectrum
This item is used to enable or disable the AGP clock generator’s Spread
Specturm feature. When overclocking the AGP slot, always set it to Disabled.
Options: Disabled, 0.50%, 1.00%.
AGP 8x Support
This item is used to control the functionality of the AGP 3.0 8x interface.
Options: Disabled, Enabled. Select Enabled only when your card supports
this function.
AGP Fast Write Support
The item enables or disables the AGP Fast Write feature. The Fast Write
technology allows CPU to write directly into the graphics controller without
passing anything through system memory and improves 8x speed accordingly.
Select Enabled only when your AGP card supports the feature. Options:
Disabled, Enabled.
System BIOS Cacheable
Selecting Enabled allows caching of the system BIOS ROM at F0000h-
FFFFFh, resulting in better system performance. However, if any program
writes to this memory area, a system error may result. Setting options: Enabled,
Disabled.
Video RAM Cacheable
Selecting Enabled allows caching of the video memory (RAM) at A0000h
to AFFFFh, resulting in better video performance. However, if any program
writes to this memory area, a memory access error may result. Setting
options: Disabled, Enabled.
AGP Aperture Size
This setting controls just how much system RAM can be allocated to AGP for
video purposes. The aperture is a portion of the PCI memory address range
dedicated to graphics memory address space. Host cycles that hit the aperture