DT$08 data not defined

[ 18:29:03 ] [ Nagra ] DT$08 data not defined.
[ 18:29:03 ] [ Nagra ] i/o error ?
[ 18:29:03 ] Card reader unlocked for reader upper [/dev/ttyS0]
[ 18:29:03 ] [ 1800 ] Init took: 0.584275
[ 18:29:03 ] [ Loader ] Card 1801 on port /dev/ttyS0 failed

anybody can explain why this dont work with last version of newcs for pc x64 and work for azbox version 1.2 ??

i trying to make this work on pc.
Thanks