PX-504A V1.01
Fixed Bugs:
Hang-up during fixed packet writing with DirectCD
Improvements:
Write quality for CD-R and CD-RW media
WARNING: Hang-up can occur under several conditions during Firmware Upgrade.
It is recommended:
to disable Auto Insert Notification
to connect the drive as Master to the secondary port
to disable Intel Ultra ATA driver or SIS IDE BUS Master driver
http://www.plextor.be/English/technical ... _504A.html