ATX-sized IPMI motherboard

I have a workbench that I use to do drive recovery, data migrations, component testing, etc... was looking for a new affordable motherboard suggestions. It's mounted in one of the open chassis systems, I think this one [link] which can take up to an ATX board. I've been using desktop boards but would really like an IPMI board with KVM since my little Lantronix Spider KVM units died.

I have spare L5520 cpus and...

ATX-sized IPMI motherboard