Disk drive controller system
US5075805A · kind A · utility
62Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 1990 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Jan 24, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0673
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk drive system includes a disk drive controller system having separate head positioning and data transfer subsystems and supporting up to four disk drives, two of which may be removable and two of which may connect through a standard ST506 interface. The system provides a read and write protected cylinder for removably drive and a read only cylinder for removable drives which may store a unique serial number as well as other write protected data. Each removable disk drive may includes a register storing an identification code which may be used to control operation of the drive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.