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2-32 361834-002 Technical Reference Guide
System Overview
Table 2-10
Optical Drive Specifications
Parameter 48x CD-ROM 48/24/28x CD-RW Drive
Interface Type IDE IDE
Media Type (reading)
Mode 1,2, Mixed Mode, CD-DA,
Photo CD, Cdi, CD-XA
Mode 1,2, Mixed Mode, CD-DA,
Photo CD, Cdi, CD-XA
Media Type (writing) N/a CD-R, CD-RW
Transfer Rate (Reads) 4.8 Kb/s (max sustained) CD-ROM, 4.8 Kb/s;
CD-ROM/CD-R, 1.5-6 Kb/s
Transfer Rate (Writes): N/a CD-R, 2.4 Kbps (sustained);
CD-RW, 1.5 Kbps (sustained);
Capacity:
Mode 1, 12 cm
Mode 2, 12 cm
8 cm
550 MB
640 MB
180 MB
650 MB @ 12 cm
Center Hole Diameter 15 mm 15 mm
Disc Diameter 8/12 cm 8/12 cm
Disc Thickness 1.2 mm 1.2 mm
Track Pitch 1.6 um 1.6 um
Laser
Beam Divergence
Output Power
Type
Wave Length
+/- 1.5 °
0.14 mW
GaAs
790 +/- 25 nm
53.5 + 1.5°
53.6 0.14 mW
GaAs
790 +/- 25 nm
Average Access Time:
Random
Full Stroke
<100 ms
<150 ms
<120 ms
<200 ms
Audio Output Level 0.7 Vrms 0.7 Vrms
Cache Buffer 128 KB 128 KB