LiteOn have released some new CD-RW firmware updates for the following drives:

Lite-On LDW-401S ( 4X 4X 12X + 40X 24X 40X ) DVD+RW Firmware DR4ES0E.zip 2003/08/05

Lite-On LTR-52327S ( 52X 32X 52X ) CD-RW Firmware R52QS09.zip 2003/08/25

Download Here