Springdale is not a supported operating system on Power Edge servers. Not supported does not mean it will not work. As it is not supported it is not validated and we can not guarantee that it will work. You can refer below link for details on operating system supported by PowerEdge Server [URL] 
Do we have direct documentation that any server model support Springdale 7 (Linux)? Upon checking, the OS is Red-Hat based. Can we safely say that Dell Servers support the mentioned OS? Thanks.
Supported OS Inquiry - Springdale 7 Linux