Question Liggy and Dee!
I am unknown to me the model NEC ND-4550A Firmware 1.84 with the appearance of the old model LG-
Chipset in it is the same as in models 3550 \ 3551 \ 4550 \ 4551 (NEC D636458M)
Do you have any operations on it using your Liggy’s NEC drive converter are possible
in that particular copy.
http://liggydee.cdfreaks.com/page/en/NEC-Drive-Converter/