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Specifications B-7
DVD-ROM and CD-RW Combination Drive
Housed in NEC VersaBay IV slot
Data capacity
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DVD, 2,048 bytes/block
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CD, 2048 bytes/block (mode 1), 2,336 bytes/block (mode 2)
Rotational speed
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DVD, 3,792 (2.5 – 6X CAV)
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DVD-Video, 1,377-2,222 rpm (1.6X – 2.4X PCAV)
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CD, 5,100 rpm (10.3 – 24X CAV)
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CD-RW, 1,200 – 2000 rpm (4 – 5.7X PCAV)
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Video-CD, 1,200 – 2000 rpm (4 – 5.7X PCAV)
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CD-R/CD-RW (Write), 850 – 1,980 rpm (4X CLV)
420 – 990 rpm (2X CLV)
Sustained data transfer rate
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DVD, 3,357 – 8,112 kbytes/sec (2.5 – 6X CAV)
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DVD-Video, 2,163 – 3,245 kbytes/sec (1.6X – 2.4X PCAV)
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CD, 1,552 – 3,600 kbytes/sec, mode 1 (10.3X – 24X CAV)
1,769 – 4,104 kbytes/sec, mode 2 (10.3X – 24X CAV)
Access time (typical)
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Average random access, 120 ms (DVD), 110 ms (CD)
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Average random seek, 115 ms (DVD), 105 ms (CD)
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Average full stroke, 180 ms (DVD), 170 ms (CD)
Spin up, 2.5s (DVD), 2.0s (CD)
Data buffer, 2 MB
Power Supply, +5V
Dimensions (W x H x D)
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5.04 x .5 x 4.96 in.
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128 x 12.7 x 126.1 mm