PnP rebalancing is available in Windows 10, version 1511 and later versions of Windows. This topic describes what needs to be done to implement PnP rebalance for PortCls audio drivers. For more information about video driver support see, Resizable BAR support. Some examples of devices include high-end graphics cards and storage devices. PCI resizeable BARs: After a driver for a device is successfully loaded in memory, it requests additional resources.In this scenario memory resources need to be rearranged and consolidated (rebalanced) to support the additional devices being added. Some examples of devices that fall into this category include Thunderbolt, USB-C and NVME Storage. PCI hotplug: A user plugs in a device and the PCI bus does not have enough resources to load the driver for the new device. Rebalance can be triggered in two main scenarios: PnP rebalancing is used in certain PCI scenarios where memory resources need to be reallocated.
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