Media Information                            
Region information                                    N/A not a DVD-VIDEO
Drive doesn't support media code                                         
Format Capacity                                            4.33GB(4.65GB)
Book Type                                                           DVD-R
Media Type                                                          DVD-R
Media Id Code Speed                                               Unknown
Write Strategy Speed                                          Not Defined
Data area starting sector                                          30000h
Data area end sector                                              229EBFh
Linear Density                                                0.267um/bit
Track Density                                                0.74um/track
Number of Layers                                                        1

edia Information                            
Region information                                    N/A not a DVD-VIDEO
Media code/Manufacturer ID                                    RICOHJPNR01
Format Capacity                                            4.34GB(4.66GB)
Book Type                                                           DVD+R
Media Type                                                          DVD+R
Media Id Code Speed                                         4.0x 5540KBps
Data area starting sector                                          30000h
Data area end sector                                              22BD7Fh
Linear Density                                                0.267um/bit
Track Density                                                0.74um/track
Number of Layers                                                        1