RA60 Disk Drive
From Computer History Wiki
RA60 | |
Manufacturer: | Digital Equipment Corporation |
---|---|
Year Introduced: | 1982 |
Drive Controller(s): | all SDI controllers |
Capacity: | 205 Mbytes (formatted) |
Transfer Rate: | 1.3 Mbytes/sec |
Average Access Time: | 50 msec |
Revolutions per Minute: | 3600 1/min |
One Track Seek Time: | 6.7 msec |
Average Seek Time: | 41.7 msec |
Citation from the combined DEC RA60/RA80/RA81 1982 sales brochure:
RA60 Disk - The Removable Media Solution
The RA60 is the industry's highest capacity and lowest price-per-megabyte rack mounted, removable media disk. With 205 megabytes of user formatted capacity, 615 megabytes are available in a 42-inch high cabinet - 50% more than any other removable media product. The RA60 provides 205 megabytes of removable media flexibility for $15,000.
4.3 BSD disktab
ra60|RA60|DEC RA60 Removable:\ :ty=removable:ns#42:nt#4:nc#2382:\ :pa#15884:ba#8192:fa#1024:\ :pb#33440:pc#400176:\ :pg#82080:bg#4096:fg#512:\ :ph#268772:bh#4096:fh#1024: