7-10
Physical and Operating Specifications
CD-ROM Drive
Table 7-7
32X Max Tray-Load CD-ROM Drive (IDE)
Disk
Diameter
12 cm
Capacity
Mode 1
Mode 2
540 MB
650 MB
Disk Thickness
1.2 mm
Track Pitch
1.6
µ
m
Performance
Access Time
Random Seek
Full Stroke Seek
<100 ms
<150 ms
Data Transfer Rate
Sustained
Burst
150 KB/s
2100 to 4800 KB/s (14x to 32x variable)
Bus Rate
4.0 MB/s
Cache/Buffer
128 KB/s
Start-Up Time
Single
Multisession
<7 s
<30 s
Stop-Time
< 4 s
Error Rates
Soft error
Hard
error
Seek
error
10-
9
10-
12
10-
6
Continued