Secondary storage facility employing serial communications between drive and controller
US4811278A · kind A · utility
24Cited by
6References
13Claims
0Family size
Inventors
Key dates
| Filing date | Mar 23, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0673
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a data processing system including a host computer and a secondary storage system that includes a controller and a mass storage device, the device stores information regarding the physical and logical characteristics of a disk drive associated with the device. In response to a command from the controller, the device produces a signal or signals which provide information to the controller regarding the physical and logical characteristics of the disk drive. The physical and logical characteristics include the drive bit transfer rate and subunit characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.