+.I areca,N/E
+\- [FreeBSD, Linux, Windows and Cygwin only] [NEW EXPERIMENTAL SMARTD FEATURE] the
+device consists of one or more SATA disks connected to an Areca SAS RAID controller.
+The integer N (range 1 to 128) denotes the channel (slot) and E (range
+1 to 8) denotes the enclosure.
+Important: This requires upcoming Areca SAS controller firmware version 1.51 or a
+recent beta version.
+
+.\" %ENDIF OS FreeBSD Linux Windows Cygwin