Good day Wu, We have a similar interest[1][2]. :) - Shao Miller [1] http://git.etherboot.org/?p=people/sha0/gpxe.git;a=commitdiff;h=6bada87a 533725f6de02c83240519a316bbb88ec [2] http://git.etherboot.org/?p=people/sha0/gpxe.git;a=commitdiff;h=e9516971 775dbb32020fbe7dba93c2ddecd817fc