Toshiba COMBINATION MOBILE DRIVE SD-R2312 - 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