Inferno for the Marvell Kirkwood system-on-chip, and in particular the Sheevaplug "development kit" that has a kirkwood chip.

Inferno is an embedded operating system maintained by Vita Nuova. The kirkwood is a system-on-chip aimed at file/network services, based on an ARM processor. The sheevaplug is a development kit around the kirkwood with a uart/jtag, gigabit ethernet, sdio, usb2 and more.