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Dell Command | Configure Version 4.x Command Line Interface Reference Guide

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--InternalDmaCompatibility

Table 1. --InternalDmaCompatibility--InternalDmaCompatibility
Attribute Details Description
Valid Argument Enabled, Disabled
When this setting is enabled, the BIOS requests disablement of operating system or Kernel DMA Protection for Internal DMA-capable ports. The disablement acts as a first-order mitigation for hardware that has incompatibility with operating system level DMA protections.

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