Specifications
2.2.3 Specifications of disk
Table 2.5 lists the disk specifications.
Table 2.5 Disk specifications
| Item | Specification |
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|
|
Reliability | Read cycle | >108 |
|
|
|
| Erase/write/read cycle | >106 |
|
|
|
| Load/unload cycle | 25,000 |
|
|
|
| Archival life (in accordance with | >10 years (*1) |
| acceleration test results) |
|
|
|
|
| Shelf life (in accordance with acceleration | >10 years (*2) |
| test results) |
|
|
|
|
Environmental | Operating temperature | 5 to 55°C |
requirements |
|
|
|
|
|
| Operating relative humidity | 3 to 85% RH (*3) |
|
|
|
| Storage temperature | |
|
|
|
| Storage humidity | 3 to 90% RH (*3) |
|
|
|
*1 Archival life indicates the maximum period during which recorded information can be read from a disk.
*2 Shelf life indicates the maximum period during which information can be written to an unrecorded disk.
*3 Maximum wet bulb temperature = 29°C.
Note:
(1) 128 MB media
The ISO/IEC10090 defines
(2) 230 MB media
The ISO/IEC13963 defines
(3) 540 MB/640 MB media
The ISO/IEC15041 defines 540 MB/640 MB media specification.
(4) 1.3 GB media
The Cherry Book version 1.0 defines 1.3 GB media specification.