CD writer/CD-ROM firmware updates/upgrades
Hewlett Packard 4020i V1.27
HP 7100/7110 Support Page
JVC
Mitsumi Download Page
Panasonic CW-7501 V2.0
Panasonic CW7502 - inofficial page with firmware update
Philips CDD2000 V1.26, CDD3610 V3.01, ...
Pinnacle RCD-5040 V1.51
Pinnacle RCD4X4 V2.0C
Plextor Firmware upgrades
Ricoh CD writers
TEAC
TEAC CD-R55S Updater
Toshiba Firmware Updates
Wearnes CDR-622 (aka Memorex/Dysan CRW-1622) - unofficial homepage
Yamaha CDR 200/400/2260/4260
Yamaha CD writer
Yamaha CD writer (Mac/Shapeshifter)
Various firmware updates - Golden Hawk
IMPORTANT NOTE: All firmware upgrades are done at your own risk!