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Soldered Electronics is positioning the OmniMC Sensor Board as a hardware quick-start platform for developers who want to build an OpenBMC-based chassis manager. A Crowd Supply listing says the board can turn an Intel Agilex 3 or Agilex 5 development kit into an OpenBMC development kit, but exact board specifications, compatible kit models, pricing and availability have not been verified.
What the OmniMC Sensor Board is intended to do
OmniMC is described as a physical sensor board for OpenBMC development rather than a finished server-management appliance. The stated goal is to give developers a starting point for designing a custom chassis manager: pair the board with an Intel Agilex 3 or Agilex 5 development kit, then use the resulting hardware as a platform for OpenBMC work.
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That distinction matters. The available product description presents OmniMC as a way to reduce the hardware effort involved in an OpenBMC proof of concept. It does not establish that every supported kit boots a complete management stack immediately, that the board contains a fixed set of sensors for every chassis design, or that a production-ready controller can be built without additional engineering.
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Why OpenBMC needs purpose-built hardware
OpenBMC is an open-source firmware stack for management controllers used in servers, top-of-rack switches, RAID appliances and other heterogeneous systems. It is not a general-purpose desktop operating system. The project’s software distribution is built around Linux technologies including Yocto, OpenEmbedded, systemd and D-Bus.
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A BMC monitors and controls a host system independently of the main operating system. Depending on the platform, that can include power sequencing, thermal monitoring, fan control, inventory, sensor reporting, remote management and communication with the host. The exact feature set is hardware-dependent, which is why a sensor and development board can be useful even when the software itself is open source.
How a typical OpenBMC build starts
OpenBMC’s documented workflow is target-specific. A generic development sequence looks like this:
- Install the host packages and tools required by the OpenBMC project.
- Clone the OpenBMC source repository.
- From the repository, source the setup script with a supported machine target, optionally selecting a build directory:
. setup <machine> [build_dir]. - Build the standard image with BitBake:
bitbake obmc-phosphor-image.
Those commands describe the project’s general build flow, not a confirmed OmniMC recipe. The available information does not identify OmniMC’s exact machine target, image configuration, boot sequence, flashing procedure or required OpenBMC revision.
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| Item | Current information |
|---|---|
| Product type | Sensor board intended for OpenBMC development |
| Stated companion hardware | Intel Agilex 3 or Agilex 5 development kit |
| Use case | Starting point for a custom chassis manager |
| Exact Agilex kit models | Not stated |
| Connector layout, sensor inventory and cabling | Not stated |
| Power requirements | Not stated |
| Supported OpenBMC revision or machine target | Not stated |
| Price, stock and shipping | Not verified |
Before purchasing, ask Soldered Electronics for the current hardware documentation and a compatibility list. In particular, confirm the exact Agilex development-kit SKU, physical connectors, voltage and power limits, included cables, sensor interfaces, schematics, example software and the tested OpenBMC configuration.
Can OmniMC work with any Agilex development kit?
There is no evidence here that it works with every Agilex 3 or Agilex 5 board. The product description names those two Agilex families, but does not identify specific development-kit models. Mechanical fit, pin assignments, power delivery, FPGA configuration, network access and the available OpenBMC machine definition can all affect compatibility.
Treat “Agilex 3 or 5” as a platform-family indication, not a universal compatibility guarantee. Obtain a model-by-model support statement before selecting a kit.
OpenBMC support is not the same as a complete system
OpenBMC documentation cautions that support maturity varies by target. A board appearing in the project’s supported-target list does not necessarily mean every management function is polished or integrated. Motherboard support also does not automatically provide complete chassis support.
Fan behavior is a practical example: it depends on the motherboard, the connected fans and the chassis design. Power control, sensor naming, inventory data, host interfaces and recovery behavior can likewise require platform-specific configuration.
If an OmniMC-based design is not represented by an existing OpenBMC target, porting it will be a substantial engineering task. The project notes that successful porting is easier when the manufacturer provides schematics and detailed platform documentation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who may benefit from the approach
- FPGA and embedded developers: a sensor-board concept may provide a more concrete starting point than designing every management interface from scratch.
- OpenBMC learners: a development platform can make it easier to experiment with the build system and management services, provided the board’s software support is documented.
- Hardware teams prototyping a custom chassis: OmniMC may help explore sensor and controller integration before committing to a production BMC design.
It is less suitable for anyone expecting a drop-in server-management product, guaranteed support for an arbitrary Agilex kit or a validated production reference design. Those outcomes depend on documentation and integration work that has not been published in the available listing.
Questions to resolve before committing
- Which exact Agilex 3 and Agilex 5 development kits are supported?
- Is there an official OpenBMC machine target and example image for OmniMC?
- What sensors, buses and chassis-management signals are exposed?
- How is the board powered, and what voltage or current limits apply?
- Are schematics, pinouts, firmware instructions and source examples supplied?
- Which functions have been demonstrated: sensors, fans, power control, host communication or remote access?
- What are the current price, stock position, shipping regions and lead times?
Until those answers are available, OmniMC is best understood as a promising development aid with a clearly stated objective, not as a fully verified OpenBMC platform with guaranteed compatibility or readiness.
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