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CPU Direct Access FB

Common Options : Enabled, Disabled

Quick Review

This BIOS feature controls the processor's access to the section of system memory reserved for use by the integrated graphics processor as graphics memory. Please note that we were referring to the CPU, not the graphics processor.

When enabled, the processor is allowed to directly write to the section of system memory reserved as graphics memory. This increases the performance of applications that write directly to the frame buffer.

When disabled, the processor is not allowed to directly write to the section of system memory reserved as graphics memory. This reduces the performance of applications that write directly to the frame buffer.

It is recommended that you enable this BIOS feature for maximum performance. Of course, this only improves performance of applications that write directly to the frame buffer.

 

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