Emprex 18X DVD-ROM DRIVE User Manual download pdf (Page 10)

DVD Video Decoder for PC Systems

There are three types of DVD-Video decoders on the market:

Type 1: The RPC code has been set by the manufacturer and can’t

be changed.

Type 2: The RPC code can be changed up to the maximum of four

times (except the initial setting).

Type 3: With RPC Phase 2 drives, the DVD-Video decoder copies

the same region code as the drive

Here is a table to help you understand how DVD-ROM drives and

the decoder (DVD MPEG cards or DVD playback software) work

together for region code setting.

DVD Drive

DVD Decoder RPC Phase 1 RPC Phase 2

Type 1 Decoder Decoder & Drive

Type 2 Decoder Decoder & Drive

Type 3 Decoder Decoder & Drive

About This DVD-ROM Drive

This drive is a RPC2 DVD-ROM drive and according to DVD-Forum,

PC chip must be designed into DVD-ROM drives to record how

many times a user has changed the region code. The first region

code will depend on the DVD title you play and you are allowed to

modify the region code 5 times (including the initial one). After the

fifth alteration, the region code will be locked and only those DVD

titles of the same region code could be played afterwards, so set the

code carefully.

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Emprex 18X DVD-ROM DRIVE User Manual Page 10