in search of firmware for sony crx 140e

[ventura]

i am really confused! i've read an article from the DDump founder and he claimes that sony & co. modified their firmwares so the burners are unable to copy this protection...
so i'd like to test it and downgrade my firmware to the first version - but i can't find any version earlier than 1.0n. my current firmware ist 1.0p

can any1 help me?

oh... the ddump article is here: http://62.212.130.96/hardware/cdrom/news/0102/sd2_truth.shtml