http://geekhack.org/showwiki.php?title=NKey+Rollover+-+Overview+Testing+Methodology+and+Results
The simple test of holding down both shift keys and typing "The Quick Brown Fox Jumps Over The Lazy Dog" is not much of a test as it throws false positives that many keyboards will pass. Below is a link to some free testing SW that is more rigorous.
http://www.otd.kr/bbs/board.php?bo_table=aikon_down&wr_id=50
The simple test of holding down both shift keys and typing "The Quick Brown Fox Jumps Over The Lazy Dog" is not much of a test as it throws false positives that many keyboards will pass. Below is a link to some free testing SW that is more rigorous.
http://www.otd.kr/bbs/board.php?bo_table=aikon_down&wr_id=50













