> Except there's no serial port in the machine. There's a reasonable chance that your serial port is what's marked on http://penenen.de/bx.jpg (I suppose it's the same kind of 9-pin header as on the right hand side of http://images.anandtech.com/doci/8594/msata_dram.JPG)
Do you see some "com0" device being discovered in the kernel messages, before it gets stuck? > Should I try to boot with a USB serial adapter? That likely won't work.