Matches in DBpedia 2015-10 for { ?s ?p "In computing, an input/output memory management unit (IOMMU) is a memory management unit (MMU) that connects a direct memory access-capable (DMA-capable) I/O bus to the main memory. Like a traditional MMU, which translates CPU-visible virtual addresses to physical addresses, the IOMMU maps device-visible virtual addresses (also called device addresses or I/O addresses in this context) to physical addresses. Some units also provide memory protection from faulty or malicious devices.An example IOMMU is the graphics address remapping table (GART) used by AGP and PCI Express graphics cards.Prior to splitting the functionality of northbridge and southbridge between the CPU and Platform Controller Hub (PCH), I/O virtualization was not performed by the CPU but instead by the chipset."@en }
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- IOMMU abstract "In computing, an input/output memory management unit (IOMMU) is a memory management unit (MMU) that connects a direct memory access-capable (DMA-capable) I/O bus to the main memory. Like a traditional MMU, which translates CPU-visible virtual addresses to physical addresses, the IOMMU maps device-visible virtual addresses (also called device addresses or I/O addresses in this context) to physical addresses. Some units also provide memory protection from faulty or malicious devices.An example IOMMU is the graphics address remapping table (GART) used by AGP and PCI Express graphics cards.Prior to splitting the functionality of northbridge and southbridge between the CPU and Platform Controller Hub (PCH), I/O virtualization was not performed by the CPU but instead by the chipset.".