I am using ECP parallel port in xp .And using port access device driver to
acccess
parllel port extended rigsetres directly . I am reading ECP fifo in
polled mode
programm works well on win98 full time it aslso worls on xp but stops
after some working 5 or 10 miutes I am unable to resolve problem .When i
restarts
program again it begin to work pleas help me in this regard.