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