Appendix

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

 

 

 

 

 

 

 

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