Lenovo ThinkCentre M92z White Paper for ThinkCentre M92, M92p, M92z - Page 26
Driver description, MEI, LMS, SOL - network driver
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Option Description 3. Press Y to activate the certificate hash when prompted. • Delete: Used to delete the currently selected certificate hash. A certificate hash that is not active cannot be deleted. • +: Used to change the active state of the currently selected certificate hash. Setting a hash as active indicates that the hash is available for use during PSK provisioning. • Enter: Used to view the details of the currently selected certificate hash. Press Enter in the hash management window. The details of the selected certificate hash will be displayed, including the hash name, certificate hash data, and the active and default states. Driver description This section provides information about AMT drivers. Read the following driver descriptions if you are going to use Intel AMT in the Microsoft Windows® environment. MEI The Intel AMT Management Engine Interface (MEI) is the interface between the host and the Intel ME. The Intel AMT MEI is bi-directional so that both the host and the Intel AMT firmware can initiate transactions. In addition, transactions can be completed by the Intel ME first and then the host can be synchronized with the Intel ME later. LMS Local Manageability Service (LMS) is a service that runs locally in the host operating system. LMS exposes AMT functionality through standard interfaces (for example, general-information interface, firmware update interface, local agent-presence interface, and so on.) LMS is an abstraction that sits on top of the Host Embedded Controller Interface (HECI) driver (and the ME) that interacts with the ME using standard interfaces. LMS listens for the request directed to the AMT local host. When an application sends SOAP/HTTP messages to the local host, LMS intercepts the request and sends the request to the Management Engine Interface through the HECI driver. SOL The SOL driver is an Intel AMT ME driver. This driver enables the remote display of the managed client user interface through a management console and emulates serial communication over a standard network connection. 18 ThinkCentre M92/p and M92z Intel Active Management TechnologyConfiguration Guide