To set up a discussion board for a specific project in SharePoint:

1. Create a group within SharePoint, adding the relevant project members.
2. Navigate to the discussion tab of the group.
3. Create a new discussion topic to get the conversation started, and invite project members to participate.
4. Be sure to reply to any posts in the discussion.
5. Use the SharePoint features (such as email notifications, @mentions, or file sharing) to stay up-to-date on the discussion.