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

Lite-On LTR-48125S ( 48X/12X/48X ) CD-RW Firmware R481S05.zip 2002/10/17
Lite-On LXR-40122 ( 40X/12X/40X ) CD-RW Firmware XR407S07.zip 2002/10/17

http://www.liteonit.com.tw/english-load-firmware.htm