the file http://www.pcengines.ch/file/lx_xp.zip contains some new WinXP graphic drivers of missing resolutions.
the new resolutions are (each in a different inf-file):
the old set of resolutions from lx_win.inf contains:
note: higher resolutions need 32MB video memory set in BIOS
let me know if anyone needs any other resolution (2K, QXGA, WUXGA, WQXGA, QSXGA , etc.)