AOpen OpenBook 1556, Service Manual

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Chapter 1 21
DVD-ROM Interface
Item Specification
Vendor & model name LiteON LSD-081
Rotational speed CD-ROM read: 5,000 rpm
DVD-ROM read: 5,000 rpm
Transfer rate (KB/sec.) Sustained:
DVD-ROM inside:
Min.: 4.6Mbytes/sec.
CD-ROM inside:
Min.: 1.575Mbytes/sec.
Data Buffer Capacity 256 KBytes
Interface IDE/ATAPI
Applicable disc format CD-DA, CD ROM Mode-1, CD-ROM/XA Mode-2 Form-1 and Form-2, CD-I
Ready, Video-CD (MPEG-1), Karaoke CD, Photo-CD, Enhanced CD, CD
extra, I-Trax CD, UDF, and CD-TEXT.
Loading mechanism Soft eject (with emergency eject hole)
Power Requirement
Input Voltage 5V(DC) +/- 5%
DVD + RW Interface
Item Specification
Vendor & model name QSI SBW242
Rational speed Read:
DVD-5 (single layer): 4,700 rpm (3.5X ~ 8.5X CAV) typical
DVD-9 (dual layer): 3,200 rpm (2.3X ~ 5.5X CAV) typical
CD: 4,800 rpm (10.5X ~ 24X CAV) typical
Write:
CD-R: 24X/20X/16X/12X/8X Zone CLV (15X in average)
8X True CLV, 4X True CLV
CD-RW: 4X True CLV
High Speed CD-RW: 10X True CLV, 4X True CLV
Transfer rate (KB/sec.) Sustained:
DVD-ROM inside:
Min.: 4.495Mbytes/sec.
Typical: 4.732Mbytes/sec.
CD-ROM inside:
Min.: 1.5Mbytes/sec.
Typical: 1.575Mbytes/sec.
Data Buffer Capacity 2MB
Interface IDE/ATAPI
Applicable disc format DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), DVD-R, DVD-RW, DVD+RW,
DVD-RAM (optional)
CD (Read): CD-DA, CD-ROM Mode-1, CD-ROM/XA Mode-2 Form-1 and
Mode-2 Form-2, CD-i Ready, Video-CD (MPEG-1), Karaoke CD, Photo-CD,
Enhanced CD, CD Plus, CD Extra, i-trax CD, CD-Text, CD-R, and CD-RW
CD(Write): CD-DA, CD-ROM Mode-1, CD-ROM/XA Mode-2 Form-1 and
Mode-2 Form-2, CD-i, Video-CD, CD-Text
Loading mechanism Soft eject (with emergency eject hole)
Power Requirement
Input Voltage 5V(DC) +/- 5%