RA72 disk drive
From Computer History Wiki
| RA72 | |
| Manufacturer: | DEC |
|---|---|
| Drive Controller(s): | all SDI controllers |
| Capacity: | 1,000 Mbytes (formatted) |
| Total Surfaces: | 20 data, 1 servo |
| Number of Heads: | 20 data, 1 servo |
The RA72 disk drive is a Standard Disk Interconnect non-removable-media disk drive from DEC. Unlike almost all the other RA-series drives, it is a compact width - 5.25 inches wide. It has no internal power supply; it gets its power from the host system, or its SA7x enclosure.
Its capacity was 1,000 Mbytes (formatted). It was internally operated by a microprocessor.
Further reading
- RA7x Disk Drive Service Manual (EK–ORA7X-SM) - not available online
External links
- RA7x/SA7x Pocket Reference Guide (EK–RSA7X–PG–002)
