Touch controllers that have firmware version 2.30B or later can use all the current software and driver releases.
Touch controllers that have an older firmware release and suffer from and offset or touch calibration issue should use the following versions:
For XP please user driver version: 4.3.7.3321 (MCE x86) - ZIP 6.4MB
For Vista please user driver version: 2.0.0.0525 Vista 32 & 64 bit - 2.2MB ZIP
These can be found on the respective product download pages
S21T - http://www.origenae.co.kr/board/bbs/board.php?bo_table=e_pds&sca=&sca=Software&wr_9=S-series&wr_10=S21T
S16T - http://www.origenae.co.kr/board/bbs/board.php?bo_table=e_pds&sca=&sca=Software&wr_9=S-series&wr_10=S16T
X15e - http://www.origenae.co.kr/board/bbs/board.php?bo_table=e_pds&sca=&sca=Software&wr_9=X-series&wr_10=X15e