Specifications

Specifications 49
Specification Value
High 500 Kb/s
Low 250 Kb/s
Bytes/sector 512
Sectors per track (high/low) 18/9
Tracks per side (high/low) 80/80
Access times
Track-to-track (high/low) 3 ms/6 ms
Average (high/low) 169 ms/94 ms
Setting time 15 ms
Latency average 100 ms
Cylinders (high/low) 80/80
Read/write heads 2
CD-ROM drive specifications
Specification Value
Disk formats
CD-ROM (modes 1 and 2); mixed mode (audio and data combined); CD-DA;
Photo CD (single/multiple-session), CD-XA ready; CDi ready
Capacity 550 MB (mode 1, 12 cm)
640 MB (mode 2, 12 cm)
Block size 2368, 2352 bytes (mode 0)
2352, 2340, 2336, 2048 bytes (mode 1)
2352, 2340, 2336, 2048 bytes (mode 2)
Dimensions
Height 12.7 mm (0.50 in)
Depth 132.08 mm (5.20 in)
Width 132.08 mm (5.20 in)
Weight 0.34 kg (0.75 lb)
Data transfer rate
Sustained 150 KB/s (sustained 1X), 1500/3600 KB/s (10X to 24X)
Burst 16.6 MB/s
Access times
(typical)
Full stroke 300 ms
Random 140 ms
Diameter 12 cm, 8 cm (4.70 in, 3.15 in)
Thickness 1.2 mm (0.05 in)
Track pitch 1.6 µm (6.3 × 10
-7
in)
Cache/buffer 128 KB
Startup time < 10 s
Stop time < 5 s (single); < 30 s (multisession)