P2C/C2P Concurrency
Common Options : Enabled, Disabled
Quick Review
The BIOS feature allows PCI-to-CPU and CPU-to-PCI traffic to occur concurrently. This means PCI traffic to the CPU and CPU traffic to the PCI bus can occur simultaneously.
This prevents the CPU from being "locked up" during PCI transfers. It also allows PCI traffic to the processor to occur without delay even when the processor is writing to the PCI bus. This may prevent performance issues with certain PCI cards.
Therefore, it is recommended that you enable this feature for better performance.
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