Hello , I am foreigner , and I need your help ! I have a GM2621 BC driving board ( not gm2621 AA ) , I downloaded file you post in forum AA2621_L170E2_1_DO8_SXGA_NA_5key.rar at this link http://bbs.fpdclub.net/thread-33998-1-2.html , but It seems not supported gm2621 BC . Do you have any files for gm2621bc ? I am very gratefull to you . Send me via my email aolin123456789@yahoo.com . I need Xga and Sxga files . Thanks for help ! ...