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Environmental requirements
Read speeds
Max Burst data transfer rate:
v Ultra DMA Mode 2: 33 MB/s
Average access times:
v DVD-ROM including latency, single layer: 120 ms
v CD-ROM including latency: 110 ms
v RW including latency: 110 ms
v 2 MB data buffer
Write speeds
A-2
IBM 48X/32X/48X/16X Max CD-RW/DVD-ROM Combination Drive: User's Guide
Specification
Temperature (noncondensing) +5° C to +45° C
Relative humidity
(noncondensing)
Media
DVD-ROM
DVD-ROM
DVD-R
DVD+R
DVD-R
DVD-RAM
DVD-RW
DVD+RW
CD-ROM
CD-R
CD-RW
Media
CD-R (48X)
CD-RW
v Multi-speed (4X)
v High-speed (10X)
v Ultra-speed (24X Max)
v Ultra Speed+ (32X Max)
Operational
(+41° F to +113° F)
10% to 80%
Sustained data transfer rates
(6.5x-16x CAV, 4.7 GB DVD-ROM read): 8.7 to
22.1 MB/s
(3.3x-8x CAV, 8.5 GB Dual-layer read): 4.4 to 11.0
MB/s
(2.5x-6x CAV, 4.7 GB DVD-R read): 3.3 to 8.1
MB/s
(2.5x-6x CAV, 4.7 GB DVD+R read): 3.3 to 8.1
MB/s
(2.5x-5x CAV, 3.95 GB DVD-R read): 3.3 to 6.7
MB/s
(2x CLV, 4.7 GB DVD-RAM read): 2.7 MB/s
(2.5x-6x CAV, 4.7 GB DVD-RW read): 3.3 to 8.1
MB/s
(2.5x-6x CAV, 4.7 GB DVD+RW read): 3.3 to 8.1
MB/s
(20x-48x CAV, CD-ROM read): 3.0 to 7.2 MB/s
(20x-48x CAV, CD-R read): 3.0 to 7.2 MB/s
(18x-40x CAV, CD-RW read): 2.7 to 6.0 MB/s
Write speeds
3.0 to 7.2 MB/s CAV
v 0.6 MB/s CLV
v 1.5 MB/s CLV
v 2.4 to 3.6 MB/s PCAV
v 3.0 to 4.8 MB/s PCAV
Nonoperational
-20° C to +60° C
(-4° F to 140° F)
5% to 90%
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