Item | ||
| SCSI drive |
|
|
|
|
Height | 1.0 in | 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 | 15,000 rpm | 7,200 rpm |
speed |
|
|
Bytes per sector | 512 | 512 |
|
|
|
Logical blocks | 71,132,000 | 156,301,488 |
|
|
|
Operating | 10°C to 35°C | 5°C to 55°C |
temperature | (50°F to 95°F) | (41°F to 131°F) |
|
|
|
DVD-ROM drive specifications
Specification | Value |
|
|
|
|
Disk formats | DVD (single and double layer), |
|
| 1 & 2, |
|
| ready, |
|
Capacity | 4.7 GB |
|
| 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 |
|
| 1552 3600 KB/s (24X CAV |
|
|
|
|
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 × |
|
| 1.6 µm (6.3 × |
|
Cache/buffer | 128 KB |
|
|
|
|
Startup time | < 10 s |
|
|
|
|
| Specifications 63 |