COMPUTER FUNDAMENTALS

Detailed explanation-1: -PCI Express supports native hot-plug though hot-plug support in a device is not mandatory. Some of the elements found in a PCI Express hot plug system are: Indicators which show the power and attention state of the slot.

Detailed explanation-2: -A hotplug port is a logical representation in the system device tree where the connection of a device to the system is managed. You can use the hotplug features to online or offline a device, even an on-board device, without physically adding or removing the device from the system.

Detailed explanation-3: -PCIe Hot-plug is derived from revision 1.0 of the Standard Hot Plug Controller specification for PCI[1]. This specification describes the methodology by which PCIe endpoint devices may be added to or removed from an operational system without compro-mising the operational state of the system.

Detailed explanation-4: -Hot-plugging a device means the device is added or removed without shutting down the operating system or powering off the system. When you hot-plug a USB device, the device is immediately seen in the system’s device hierarchy, as displayed in the prtconf command output.