+.B "\-e, \-\-extra-dump"
+Dump extra secondary register contents too, if available. Only in combination
+with the
+.B --dump
+option. This option will, for instance, dump the environmental controller (EC)
+configuration registers for the ITE IT8716F chip. The format is similar to
+the output of the
+.B --dump
+option.
+.TP
+.B "\-l, \-\-list-supported"
+List all Super I/O chips recognized by
+.BR superiotool ". The phrase"
+.BR "(dump available)"
+following a chip name indicates that
+.B superiotool
+supports the
+.B --dump
+option for this chip.
+.TP