WDTV SMP not seeing drive bay

WD Legacy Products WD TV Live Streaming
2

Dunno ? depending on your Firmware, only 10 Network Shares supported ?  (earlier Firmware supported 20)

http://community.wdc.com/t5/WD-TV-Live-Streaming-Discussions/Has-WD-reduced-the-number-of-Shares-with-last-Firmware-Update/m-p/455800/highlight/true#M11454