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.