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Appendix
38
Writing Methods Disc-at-Once (DAO)
Session-at-Once (SAO)
Track-at-Once (TAO)
Packet Writing
Writing/Reading Speed Writing CD-R 1X, 2X, 4X, 8X, 12X (CLV),
16X (12X – 16X Partial CAV),
20X (12X – 20X Partial CAV)
CD-RW 2X, 4X, 8X, 10X (CLV),
4X – 10X Full CAV
Reading 40X (max.) Full CAV
Note) • DATA: 40X (max.)
• CD-DA: 40X (max.) in audio extraction
• CD-DA: 1X only in audio play
• Video CD: 10X (max.)
• Session closed disc: 40X (max.)
• Session unclosed disc: 12X (max.)
CD-R 1X, 2X, 4X, 8X, 12X, 16X (12X – 16X Partial CAV),
20X (12X – 20X Partial CAV) writing:
Write Once discs specified in Orange Book Part II Ver. 3.1.
Note) For 8X or faster writing, use CD-R discs matched their
respective writing speeds.
CD-RW • 2X writing/rewriting: Rewritable discs specified in Orange
Book Part III Volume 1 Version 1.0.
• 2X or 4X writing/rewriting: Rewritable discs specified in
Orange Book Part III Volume 1 Version 2.0.
• 4X, 8X, 10X (CLV), 4X – 10X Full CAV writing/rewriting:
Rewritable discs specified in Orange Book Part III Volume 2
Version 1.0.
Data Capacity 700MB (79 min.)
650MB (74 min.)
550MB (63 min.)
Data Transfer Rate (Mode 1) 1X: 150KB/sec. 16X: 2,400KB/sec.
2X: 300KB/sec. 20X: 3,000KB/sec.
4X: 600KB/sec. 24X: 3,600KB/sec.
8X:1,200KB/sec. 32X: 4,800KB/sec.
10X:1,500KB/sec. 40X: 6,000KB/sec.
12X: 1,800KB/sec.
Burst Transfer Rate • Programmed I/O mode 4: 16.7MB/sec.
• Multiword DMA mode 2: 16.7MB/sec.
• Ultra DMA mode 2 (Ultra DMA/33): 33.3MB/sec.
Data Buffer Size 8MB (3,224 sectors)
Average Random Access Time 150 msec. (reading)
Sector Size 2,048 – 2,352 bytes
Interface Enhanced IDE (E-IDE)/ATAPI