Toshiba SD-R2312 User Manual
Page 10
 
8
Performance
Rotational Speed
DVD (Single) 
DVD (Dual) 
DVD-R, DVD-RW 
DVD-RAM (ver 2.1) 
DVD-RAM (ver 2.1) 
CD-ROM, CD-R 
Video-CD, CD-DA 
CD-DA 
CD-RW (read) - normal 
CD-RW (read) - high speed 
CD-R (write) 
CD-RW (write) 
CD-RW (write) - high speed 
4,670rpm (3.3 - 8X) 
3,792rpm (2.5 - 6X) 
2,240rpm (1.7 - 4X) 
1,400 - 3,300rpm (1X) 
2,200 – 4,800rpm (2X) 
5,100rpm (10.3 - 24X) 
1,200 - 2,000rpm (4 - 6X) 
2,350 - 4,300rpm (8.6 - 12X) 
1,200 - 2,000rpm (4 - 6X) 
2,560 - 4,000rpm (8 - 12X) 
3,200 - 5,000rpm (8 - 24X) 
850 - 1,980rpm (4X) 
3,125 - 4,950rpm (10X) 
Transfer Rate
DVD (Single) 
DVD (Dual) 
DVD-RAM (Ver 2.1) 
DVD-RAM (Ver 1.0) 
CD-ROM (mode 1) 
CD-ROM (mode 2) 
 
4,463 - 10,820KB/second 
3,380 – 4,056KB/second 
2,740KB/second 
2,740KB/second 
1,552 - 3,600KB/second 
1,761 - 4,104KB/second (mode 2) 
Random Access Time
DVD 
CD 
DVD-RAM 
100ms 
90ms 
170ms 
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