(a) Regular meetings of the board of directors of a corporation may be held with or without notice as prescribed by the corporation's bylaws.
(b) Special meetings of the board of directors shall be held with notice as prescribed by the bylaws. Attendance of a director at a meeting constitutes a waiver of notice, unless the director attends a meeting for the express purpose of objecting to the transaction of any business on the ground that the meeting is not lawfully called or convened.
(c) Unless required by the bylaws, the business to be transacted at, or the purpose of, a regular or special meeting of the board of directors is not required to be specified in the notice or waiver of notice of the meeting.
(d) Notice may be delivered personally or in accordance with Section 6.051(b).