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7-10 Physical and Operating Specifications
CD-ROM Drive
Table 7-9
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 µm
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