RP01 disk drive
From Computer History Wiki
| RP01 | |
| Manufacturer: | Memorex (basic drive), Digital Equipment Corporation (electronics) |
|---|---|
| Drive Controller(s): | RP10 (PDP-10) |
| Capacity: | 5.6 Mbytes (formatted) |
| Transfer Rate: | 30 usec/36-bit word |
| Average Access Time: | 62.5 msec |
| Revolutions per Minute: | 2400 |
| 1/2 Revolution Time: | 12.5 msec |
| One Track Seek Time: | 20 msec |
| Average Seek Time: | 50 msec |
| Maximum Seek Time: | 80 msec |
| Total Surfaces: | 10 (11 platters) |
| Tracks per Surface: | 203 (nominally 200 plus 3 spares) |
| Sectors per Track: | 5 |
| Words per Sector: | 128 32-bit |
| Physical Size: | 30" W x 38" H x 24" L |
| Weight: | 295 pounds |
| Power Consumption: | 1250 VA (running); 5200 VA (starting) |
The RP01 was the predecessor to the later RP02 multi-platter large disk drive.
The actual drive was produced by Memorex - a model 630-1 - and OEM'd by DEC, who added interface electronics.
A maximum of 8 drives were supported per controller.