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Environmental requirements
Specification Operational Nonoperational
Temperture (noncondensing) +5° C to +45° C -40° C to +60° C
Relative humidity
(noncondensing)
10% to 80% 5% to 90%
Sustained Transfer Rate
Media Sustained data transfer rates
DVD-R/RW, +R/RW 4.45 to 10.8 MB/s (3.3x-8x CAV)
DVD-RAM 2.7 to 6.75 MB/s (2.0x-5.0x)
DVD-R D/L, + R D/L 4.45 to 10.8 MB/s (3.3x-8x CAV)
CD-ROM 3.0 to 7.2 MB/s (20x-48x CAV)
CD-R 3.0 to 7.2 MB/s (20x-48x CAV)
CD-RW 2.7 to 6.0 MB/s (18x-40x CAV)
Average access times:
Random Access Full Access
CD (R/RW/ROM): 100 ms (Typ) 160 ms (Typ)
DVD (Single Layer) 120 ms (Typ) 200 ms (Typ)
Read Speed CD-DA (Audio Play) CAV 16X (Max)
Stamped CD-DA (DAE) CAV 48X (Max)
Stamped CD-ROM CAV 48X (Max)
Mixed CD (Data, Audio) CAV 32X (Max)
Video-CD CAV 16X (Max)
DVD-Video Play Single: CAV 8X (Max)
CD-R/RW CAV 40X (Max)
DVD + RW , DVD + R CAV 6X (Max)
DVD-RAM ZCAV 4X (Max)
DVD +R9 CAV 4X
Pause (CD/DVD) CAV 16X - CAV40X / CAV
Write Speed CD-Recordable 7,200 KB/sec.
CD-Rewriteable (Write
Speed)
4,800 KB/sec.
A-2 ThinkCentre and Lenovo CD-RW/DVD-ROM Combination Drive (Serial ATA) User’s Guide