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1. (WO2017172195) METHOD, APPARATUS, AND SYSTEM FOR PLUGIN MECHANISM OF COMPUTER EXTENSION BUS

Pub. No.:    WO/2017/172195    International Application No.:    PCT/US2017/020092
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Thu Mar 02 00:59:59 CET 2017
IPC: G06F 13/40
Applicants: INTEL CORPORATION
Inventors: EDIRISOORIYA, Samantha J.
JEPPSEN, Roger C.
KUMAR, Pankaj
MONSON, Blaine R.
Title: METHOD, APPARATUS, AND SYSTEM FOR PLUGIN MECHANISM OF COMPUTER EXTENSION BUS
Abstract:
Method, apparatus, and system of detecting a hot-plug event. The hot-plug event detection may be done in-band or out-of-band. The in-band detection is performed by a state machine and the out-of-band detection is performed by a logic. A circuitry is to detect a hot-plug event when inserting or removing a device from an extension bus of the plurality of extension bus slots. The circuit is to generate a hot-plug message to notify the hot-plug event. The circuitry including the state machine, the logic and a register to provide at least two bits to mask at least two states of the state machine.