Abstract: In one embodiment, an apparatus comprises a processor core and a power control unit. The power control unit is to identify the occurrence of a power loss from a primary power source, instruct the I/O controller to block further write requests from the one or more I/O devices and to send at least one pending write request stored by the I/O controller to the memory controller, and instruct the memory controller to complete at least one pending write request stored by the memory controller and to cause the memory to be placed into a self-refresh mode.

Abstract: In one embodiment, an apparatus comprises a processor core and a power control unit. The power control unit is to identify the occurrence of a power loss from a primary power source, instruct the I/O controller to block further write requests from the one or more I/O devices and to send at least one pending write request stored by the I/O controller to the memory controller, and instruct the memory controller to complete at least one pending write request stored by the memory controller and to cause the memory to be placed into a self-refresh mode.

Abstract: A memory device carrier is described that is particular suitable for a high density rack drive chassis in which the drives are front serviceable. In one example, a memory system includes an enclosure configured to mount in a rack, the enclosure having a front configured to receive airflow and a rear configured for cabling, a drawer configured to slide longitudinally in and out of the enclosure, the drawer having a bottom surface and a front face, and a longitudinal connector board mounted to the drawer having a plurality of memory device sockets, the sockets facing outward laterally from the longitudinal board and configured to receive memory devices inserted laterally into a respective socket.

Abstract: In one embodiment, an apparatus comprises a processor core and a power control unit. The power control unit is to identify the occurrence of a power loss from a primary power source, instruct the I/O controller to block further write requests from the one or more I/O devices and to send at least one pending write request stored by the I/O controller to the memory controller, and instruct the memory controller to complete at least one pending write request stored by the memory controller and to cause the memory to be placed into a self-refresh mode.

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.

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.

Abstract: In one embodiment, an apparatus comprises a processor core and a power control unit. The power control unit is to identify the occurrence of a power loss from a primary power source, instruct the I/O controller to block further write requests from the one or more I/O devices and to send at least one pending write request stored by the I/O controller to the memory controller, and instruct the memory controller to complete at least one pending write request stored by the memory controller and to cause the memory to be placed into a self-refresh mode.