Thanks Erdener. TEAC has released the follow new firmware updates:
CD-W512EB Ver.1.3.0.0 Bios 2.0F
CD-W516EB Ver.1.1.0.0 Bios 1.0C
CD-W512SB Ver.1.2.0.0 Bios 1.0E
CD-W512EB Ver.1.3.0.0 Bios 2.0F
CD-W516EB Ver.1.1.0.0 Bios 1.0C
CD-W512SB Ver.1.2.0.0 Bios 1.0E