Toshiba SD-R2102, User Manual, Page: 10 / 12

8
Performance
Rotational Speed
DVD (Single) 4,670rpm (3.3 - 8X)
DVD (Dual) 3,792rpm (2.5 – 6X)
DVD-VIDEO 1,377 – 2,222rpm (1.6 – 2.4X)
DVD-R 1,400rpm (1.0 – 2.4X)
CD-ROM 5,100rpm (24X)
Video-CD, CD-DA 1,200 – 2,000rpm (4 – 5.7X)
CD-DA 2,350 – 4,300rpm (8.6 – 11X)
CD-RW (read) – normal 1,200 – 2,000rpm (4 – 6X)
CD-RW (read) – high speed 2,560 – 4,000rpm (8 – 12X)
CD-R (write) 1,700 - 3,960rpm (8X)
CD-RW (write) 850 - 1,980rpm (4X)
CD-RW (write) – high speed 1,700 - 3,960rpm (8X)
Transfer Rate
DVD-ROM (single) 3,357 – 8,112KB/second (8X)
DVD-ROM (dual) 3,380 – 4,056KB/second (6X)
DVD VIDEO 2,163 – 8,112KB/second (1.6 - 2.4X)
CD-ROM mode 1: 1,552 – 3,600KB/second(24X)
mode 2: 1,769 - 4,106KB/second (24X)
Random Access Time
DVD
CD
140ms
120ms
Data Error Rate
DVD-ROM
CD-ROM
10
-15
Max
10
-15
Max (Mode 1)
10
-12
Max (Mode 2)
Data Buffer 2MB
Reliability
MTBF 60,000 hours
Power ON Hours 5,436 hours/year
ON/OFF Cycles 313 cycles/year
Number of Access 600,000 accesses/year
Operating Duty Cycle 20% of Power ON time (Reading/Seeking)
2% of Power ON time (Writing/Seeking)
MTTR 0.5 hours