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Update docs/advanced/addons/pcidevices.md
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Co-authored-by: Kiefer Chang <1691518+bk201@users.noreply.github.com>
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Yu-Jack and bk201 committed Sep 20, 2024
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Expand Up @@ -100,7 +100,7 @@ The newly created PCI device can be passed through to virtual machines like any

_Available as of v1.4.0_

A `USBDevice` resource in Harvester represents a USB device on the node. USB devices can be "passed through" the hypervisor to allow direct access from VMs. This is accomplished through the `pcidevices-controller` add-on. To use USB passthrough, you can either create a `USBDeviceClaim` resource or enable the feature on the Harvester UI.
A `USBDevice` resource in Harvester represents a USB device on the node. USB devices can be "passed through" by the hypervisor to allow direct access from VMs. This is accomplished through the `pcidevices-controller` add-on. To use USB passthrough, you can either create a `USBDeviceClaim` resource or enable the feature on the Harvester UI.

USB passthrough is slightly different from PCI passthrough. For example, you can fully control a USB controller with four USB ports by creating a `PCIDeviceClaim`. However, you can also create a `USBDeviceClaim` to control only one USB port. The other three USB ports remain available to the node.

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