(main (190))
ERR: Open (Could not open device. board_num:0) 
(main (190))
ERR: Open (Could not open device. board_num:0) 
(main (190))
ERR: Open (Could not open device. board_num:0) 
(main (190))
ERR: Open (Could not open device. board_num:1) 
(main (190))
ERR: Open (Could not open device. board_num:1) 
(main (190))
ERR: Open (Could not open device. board_num:1) 
