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PCI Express System Architecture by MindShare, Inc, Ravi Budruk, Don Anderson, Tom Shanley

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Card Removal and Insertion Procedures

The descriptions of typical card removal and insertion that follow are intended to be introductory in nature. Additional detail can be found later in this chapter.

It should be noted that the procedures described in the following sections assume that the OS, rather than the Hot-Plug System Driver, is responsible for configuring a newly-installed device. If the Hot-Plug System Driver has this responsibility, the Hot-Plug Service will call the Hot-Plug System Driver and instruct it to configure the newly-installed device.

On and Off States

Definition of On and Off

A slot in the On state has the following characteristics:

  • Power is applied to the slot.

  • REFCLK is on.

  • The link is active or in the standby (L0s or ...

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