Table 18 - Floppy Disk Drive Specifications
|
|
|
| |
Manufacturer | TEAC |
|
| |
Size | 10.67 cm (W) x 14.48 cm (D) x 1.40 cm (H) |
| ||
| (4.2 in (W) x 5.7 in (D) x 0.55 in (H)) |
| ||
Weight | 250g (0.55 lbs) |
|
| |
Data Capacity | 1.44MB (formatted) |
| 1.2MB (formatted) | 724KB (formatted) |
| 2M (unformatted) |
| 1.6M (unformatted) | 1M (unformatted) |
Data Transfer Rate | 500k bits/sec |
| 250k bits/sec | |
Disk Rotational Speed | 300rpm |
| 360 rpm | 300rpm |
Track Density | 135tpi |
|
| |
Cylinders | 80 |
|
|
|
3ms |
|
| ||
Average Seek Time | 94ms |
|
| |
Start Time | 480ms |
|
| |
Average latency | 100ms |
| 83.3ms | 100ms |
Mean Time Between | 30,000 hours |
|
| |
Failures |
|
|
|
|
Error Rate |
|
|
|
|
Soft (recoverable) | 1 or less per 109 bits read |
| ||
Hard | 1 or less per 1012 bits read |
| ||
(unrecoverable) |
|
|
|
|
Seek | 1 or less per 106 bits read |
|
CD-ROM Drive
The
Table 19 - CD-ROM Drive Specifications
| 4x | 8x |
Manufacturer | Panasonic | Panasonic |
Size | 138mm x 196mm x 37mm | 138mm x 196mm x 37mm |
| (WxDxH) | (WxDxH) |
Weight | 450g (without battery) | 430g (without battery) |
Interface | ||
Transfer Rate | 150 KB/s Normal Speed | 150 KB/s Normal Speed |
| 300 KB/s Double Speed | 1200KB/s Octo Speed |
| 600 KB/s Quad Speed |
|
Buffer | 128 KB | 128 KB |
Access Speed | 350 ms (1/3 stroke; ac adapter) | 180 ms (1/3 stroke: ac adapter) |
| 600 ms (full stroke; ac adapter) | 300 ms (full stroke: ac adapter) |
| 990 ms (1/3 stroke; alkaline |
|
| battery) |
|
| 1500 ms (full stroke; alkaline |
|
| battery) |
|
Start up Time | < 30 secs | < 10 secs |
79