This is the 3161st most frequent Korean word.
게시판에는
"On the bulletin board."
Here, '게시판에는' indicates the location of the announcement, specifying on the bulletin board where something is present.
게시판에는 공지가 있습니다.
There is an announcement on the notice board.
In this sentence, '게시판에는' sets the topic of interest, which is the bulletin board, showing where the lack of interest is directed.
학생들이 게시판에는 관심을 보이지 않았습니다.
Students showed no interest in the notice board.
Here, '게시판에는' specifies the area being discussed where the new material is expected or not found, referring again to the location context of the bulletin board.