SEMA®

Intelligent Middleware to Monitor and Control your devices
Downtime of devices or systems is not acceptable in today's industries. To help customers to analyze their systems and take counter measures for preventive maintenance, ADLINK has developed a tool which is able to monitor and collect system performance and status information from the hardware in a timely, flexible and precise manner: the Smart Embedded Management Agent (SEMA®).

SEMA

SEMA® Overview
Time-to-Market (TTM) and Total-Costs-of-Ownership (TCO) are key aspects to producing competitive products. To combine TTM and TCO in a reliable manner, a solid and reliable platform is fundamental. To assist in this endeavor, every ADLINK computer-on-module (COM), single board computer (SBC) and Mini-ITX product is equipped with a Board Management Controller (BMC) device supporting SEMA®.

SEMA Architecture

Selection of SEMA® Board Controller Functions
Initially designed for power sequencing tasks, the BMC has evolved to include many new and useful features throughout the years. Measuring system voltages and currents, controlling fan speed, accessing GPIOs and I2C bus are only a few examples of these new capabilities. Being compatible with the latest PICMG Embedded Application Programming Interface specification (EAPI) reduces your effort to port existing calls to SEMA® to nearly zero! On top of that SEMA® provides an extended set of functions e.g. to show and control CPU Operation Mode, to read out HDD S.M.A.R.T. data or to read out a comprehensive set of system data.

SEMA Web based interface

Functional Overview
Providing the interface from the hardware to the operating system is one of SEMA®'s most important functions. The BMC first collects all relevant information from the chipset and other sources. Using the I2C driver and the Extended EAPI the application layer fetches the data and presents it to the user. The application can be a local customer specific implementation or the SEMA® Dashboard which can access the Extended EAPI also remotely and which shows the data in user-friendly graphic interfaces, suitable for supervision and troubleshooting.

SEMA® Features
At the heart of SEMA® is the Board Management Controller (BMC) supporting SEMA® functions. The SEMA® Extended EAPI provides access to all functions then. A graphical user Interface allows to monitor and control one or multiple devices / computer modules. So SEMA® comprises:

SEMA® Board Management Controller HW and FW
SEMA® Extended EAPI Library
SEMA® Graphical User Interface (GUI)
SEMA® supports the following functions and information:
CPU Operation Modes
Memory Information
Network Information
ACPI Power Management
HDD S.M.A.R.T
Bios Updates
Heartbeat
Power Consumption
User Area Access
Alerts for Power and Temperature Consumption
I2C Bus Control
Temperatures(CPU and Board)
Board Information (Serial Number, Part Number, Firmware Version...)
1-Wire® Bus support
Logging of Power-Up Failures
Fan Control
GPIO Control

Forensic information is available after system or module failures includes minimum and maximum temperature of the CPU and system, as well as HDD S.M.A.R.T information - all of which can be used to analyze system or module failure.

SEMA® is available for Linux and Windows operating systems and for various HW platforms.

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