DISC
RECORDING SURFACES 1
DISC DIAMETER 120 mm or 80 mm
DISC CENTER HOLE 15 mm diameter
THICKNESS 1.2 mm
TRACK PITCH 1.6 microns (15,875 TPI), typical
SCANNING VELOCITY 1.2 ~ 1.4 meters/sec (Normal Speed)
ROTATION SPEED Varies over radius.
~535 to 198 rpm (Normal Speed). Variable
LA TENCY (AVERAGE) ~55 to 150 msec (Normal Speed), Variable
BLOCKS/ROTATION ~9.1 to 21.1 blocks/rotation , Variable
2.3 PERFORMANCE
2.3.1 DVD MODES AND BLOCK LENGTH SUPPORTED
2.3.1.1 DVD READABLE FORMAT, MODES AND BLOCK LENGTH SUPPORTED
a) Format and Modes Supported
DVD-Video(8cm/12cm, Single and Dual Layer), DVD-ROM(8cm/12cm, Single and Dual Layer),
Multi-Boader, Multi-Session
b) Block Length Supported
2048 bytes/sector
2.3.1.2 DVD WRITABLE FORMAT, MODES AND BLOCK LENGTH SUPPORTED
a) Format and Modes Supported
DVD-Video, DVD-ROM, Multi-Boader(DVD-R/-RW), Multi-Session(DVD+R/+RW)
b) Block Length Supported
2048 bytes/sector
2.3.2 DVD WRITE METHOD SUPPORTED
a) Uninterrupted Write
Disc at once
b) Interrupted Write
Incremental(DVD-R/-RW)
Multi-Border(DVD-R/-RW)
Random write(DVD+R/+RW)
Sequential write(DVD+R/+RW)
Restricted overwrite (DVD-RW)
2.3.3 DVD WRITABLE MEDIA
a) DVD-R Media (4x/2x, 4.7GB For General DISC)
Mitsubishi (Verbatim), Taiyo-Yuden, PVC, Fuji Film, Ritek
b) DVD-RW Media (2x/1x)
JVC, Pioneer, Mitsubishi (Verbatim), TDK
c) DVD+R Media (4x/2.4x)
RICOH, Mitsubishi (Verbatim), Taiyo-Yuden, Sony
d) DVD+RW Media (2.4x)
RICOH, Mitsubishi (Verbatim), TDK
e) DVD-RW/+RW Rewrite
1000 times
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