Appendix A - Technical Specifications
Mass Storage Specifications
Hard Disk Drive
The hard disk drive can be removed by the user for easy upgrades.Hard drive manufacturers are subject to change without notice.Table 24 - Hard Disk Drive Specifications
| |||||
|
|
| byte |
| byte |
Manufacturer | Toshiba | Toshiba | Toshiba | Toshiba | Toshiba |
Interface | ATA2 | ATA2 | ATA2 /ATA3 | ATA2 /ATA3 | ATA2 /ATA3 |
Recording | PRML (Partial | PRML (Partial | PRML (Partial | PRML (Partial | PRML (Partial |
Method | Response | Response | Response | Response | Response |
| Maximum | Maximum | Maximum | Maximum | Maximum |
| likelihood) | likelihood) | likelihood) | likelihood) | likelihood) |
Heads | Peak Detect | MR (Magneto | MR (Magneto | MR (Magneto | MR (Magneto |
|
| Resistive) | Resistive) | Resistive) | Resistive) |
Average access | 13 ms | 13 ms | 13 ms | 13 ms | 13 ms |
(read) |
|
|
|
|
|
Track to track | 3 ms | 3 ms | 3 ms | 3 ms | 3 ms |
seek |
|
|
|
|
|
Full Track | 25 ms | 25 ms | 25 ms | 25 ms | 25 ms |
Average latency | 7.14 ms | 7.14 ms | 7.14 ms | 7.4 ms | 6.18 ms |
Rotational speed | 4200 rev/m | 4200 rev/m | 4200 rev/m | 4200 rev/m | 4852 rev/m |
Media Transfer | 24.7 (inner), 44.9 | 38.1 (inner), 54.8 | 38.6 (inner), | 38.6 (inner), | 43.8 (inner), |
rate | (Outer) Mbits/sec | (Outer) Mbits/sec | 69.8 (Outer) | 69.8 (Outer) | 68.9 (Outer) |
|
|
| Mbits/sec | Mbits/sec | Mbits/sec |
Buffer to host | 16.6 Mbytes/sec | 16.6 Mbytes/sec | 16.6 Mbytes/sec | 16.6 Mbytes/sec | 16.6 |
|
|
|
|
| Mbytes/sec |
Buffer size | 128KB (read and | 128KB (read and | 128KB (read | 128KB (read | 128KB (read |
| write segmented | write segmented | and write | and write | and write |
| buffer) | buffer) | segmented | segmented | segmented |
|
|
| buffer) | buffer) | buffer) |
Spindle start time | 5 sec (typical) | 5 sec (typical) | 5 sec (typical) | 5 sec (typical) | 5 sec (typical) |
Reliability: |
|
|
|
|
|
MTBF: Power- | 300,000 hours | 300,000 hours | 300,000 hours | 300,000 hours | 300,000 hours |
on Hours |
|
|
|
|
|
Unrecoverable | |||||
errors | transfer | transfer | transfer | transfer | transfer |
Configuration: |
|
|
|
|
|
Sector Size | 512 Bytes | 512 Bytes | 512 Bytes | 512 Bytes | 512 Bytes |
User Cylinders | 2,920 | 3,650 | 5,160 | 5,160 | 5,020 |
Data Heads | 6 | 6 | 4 | 6 | 10 |
Disks | 3 | 3 | 2 | 3 | 5 |
95