[Dx4win] PCI-type LPT ports for CW keying?

[Paul B. Peters, VE7AVV]

I just added a Lava PCI-based LPT port for CW keying. After selecting
the correct LPT port and saving my Preferences I find the PCI port will
not key the radio. If I switch the keyer port over to an ISA slot LPT
port, the keyer works as it should. Has anyone run into this and did you
solve the mystery? 

73 de Paul, VE7AVV
StoneyGround Station
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