Hello, zjznliang! zjznliang wrote: > And there is nothing output ,I thought that it was serial port fault. > I checked my Linux configuration ,but found nothing .
Check your kernel configuration. Have you tried to turn on "early printk" support in your kernel config? Linux might be booting already, but you just don't see it on your console. Good luck, -- Clemens Koller _______________________________ R&D Imaging Devices Anagramm GmbH Rupert-Mayer-Str. 45/1 81379 Muenchen Germany http://www.anagramm.de Phone: +49-89-741518-50 Fax: +49-89-741518-19