In addition to the1,500 job cuts already disclosed, Motorola (NYSE: MOT) said today that it was cutting another 400 employees across the board, according to a document filed with the SEC. In total, the company will have pre-tax charges of $189 million in the fourth quarter. The first batch of layoffs were primarily in the mobile devices division, but these additional cuts will affect all of the “company’s business segments, as well as various corporate functions.” Earlier this month, Motorola took a number of drastic cost-cutting measures that including cutting the pay and benefits of both employees and executives by freezing pension plans, employee salaries, matching 401k contributions and cutting the pay of top executives in an effort to reduce costs.