![]() These chips are often found on motherboards alongside some nominal amount of DRAM. Vendors have used non-Arm solutions, but the current king of the market is ASPEED and its AST2500 series controllers that are used in servers from major OEMs to hyper-scale switches. The BMC is usually an Arm-based SoC with graphics and control logic built-in. The largest vendor for BMCs today is ASPEED whose AST2400 BMC is pictured below. ![]() Other components such as higher-end switches, JBODs, JBOFs, and other devices now include BMCs as well. What is a Baseboard Management Controller or BMC?Ī baseboard management controller, or BMC, is a small computer that sits on virtually every server motherboard. We are then going to discuss common BMC features and the impact of the BMC. We are going to show you what a BMC looks like. A question we get asked a lot at STH is “what is a baseboard management controller” or “what is a BMC?” In this article, we are going to answer some of those questions for you.
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