Step-by-step illustrated guide to installing a CDROM drive in a Beige G3, 8600/9600 and Blue and White G3 or G4 system.
http://www.xlr8yourmac.com/G3-ZONE/hival52x/install.html
Apple does not list DVD-RW disc support for the OEM Superdrive
http://www.xlr8yourmac.com/OSX/OS_X_10.1/OS_X_DVD_RW_support.html
for 1x rated Matshita UJ-815 Slotted Superdrives
http://www.xlr8yourmac.com/IDE/pb_g4_superdrive/UJ-815_2x_firmware.html
Mods for PB G3
http://www.xlr8yourmac.com/PB_G3/oem_combo_drives/notebook_combo_drive.html
to early iMac
http://www.xlr8yourmac.com/IDE/imac_ide_cdrw_guide.html
that will Flash OEM Apple Drives
http://www.xlr8yourmac.com/IDE/superdrive_firmware_update.html