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Specifications 63
Item
36.4-GB Ultra320
SCSI drive
80-GB SATA drive
Height 1.0 in (One-third height) 1.028 in
Width 4.0 in 4.0 in
Interface Ultra320 SCSI Serial ATA
Transfer rate 320 MB/sec 1.5 GB/s
Rotational
speed
15,000 rpm 7,200 rpm
Bytes per sector 512 512
Logical blocks 71,132,000 156,301,488
Operating
temperature
10°C to 35°C
(50°F to 95°F)
5°C to 55°C
(41°F to 131°F)
DVD-ROM drive specifications
Specification Value
Disk formats
DVD (single and double layer), DVD-5, DVD-9, DVD-10, DVD-R, CD-ROM Mode
1 & 2, CD-DA, CD-XA (Mode 2, Form 1 & 2), CD-I (Mode 2, Form 1 & 2), CD-I
ready, CD-Bridge, CD-R, PhotoCD (single and multi-session)
Capacity
4.7 GB (DVD-5), 8.5 GB (DVD-9), 9.4 GB (DVD10), 550 Mb (Mode 1, 12 cm),
640 Mb (Mode 2, 12 cm), 180 Mb (8 cm)
Block size
2352 bytes (mode 0)
2352, 2340, 2336, 2048 bytes (mode 1)
2352, 2340, 2336, 2048 bytes (mode 2)
2048 bytes (DVD)
Dimensions
Height 12.7 mm (0.50 in)
Depth 132.08 mm (5.20 in)
Width 132.08 mm (5.20 in)
Weight 0.34 kg (0.75 lb)
Data transfer rate
Sustained
4463 - 10,800 KB/s (8X CAV DVD mode), 150 KB/s (sustained 1X CD-ROM),
1552 3600 KB/s (24X CAV CD-ROM)
Burst 16.6 MB/s with DMA support
Access times
(typical)
Full stroke
<200 ms CD
<300 ms DVD
Random
<110 ms CD
<180 ms DVD
Diameter 12 cm, 8 cm (4.70 in, 3.15 in)
Thickness 1.2 mm (0.05 in)
Track pitch
0.74 µm (3.15 × 10
-7
in) DVD-ROM
1.6 µm (6.3 × 10
-7
in) CD-ROM
Cache/buffer 128 KB
Startup time < 10 s