Specifications 96
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)
