NEC L320 manual DVD-ROM and CD-RW Combination Drive, Specifications B-7

DVD-ROM and CD-RW Combination Drive

Housed in NEC VersaBay IV slot

Data capacity

— DVD, 2,048 bytes/block

T— CD, 2048 bytes/block (mode 1), 2,336 bytes/block (mode 2)

Rotational speed

—DVD, 3,792 (2.5 – 6X CAV)

—DVD-Video, 1,377-2,222 rpm (1.6X – 2.4X PCAV)

—CD, 5,100 rpm (10.3 – 24X CAV)

—CD-RW, 1,200 – 2000 rpm (4 – 5.7X PCAV)

—Video-CD, 1,200 – 2000 rpm (4 – 5.7X PCAV)

—CD-R/CD-RW (Write), 850 – 1,980 rpm (4X CLV)

T420 – 990 rpm (2X CLV)

Sustained data transfer rate

—DVD, 3,357 – 8,112 kbytes/sec (2.5 – 6X CAV)

—DVD-Video, 2,163 – 3,245 kbytes/sec (1.6X – 2.4X PCAV)

—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)

—Average random access, 120 ms (DVD), 110 ms (CD)

—Average random seek, 115 ms (DVD), 105 ms (CD)

—Average full stroke, 180 ms (DVD), 170 ms (CD)

Spin up, 2.5s (DVD), 2.0s (CD)

Data buffer, 2 MB

TPower Supply, +5V Dimensions (W x H x D)

—5.04 x .5 x 4.96 in.

—128 x 12.7 x 126.1 mm

Specifications B-7