2.2.14 RF72 Integrated Storage Element (ISE)
The RF72 is a DSSI integrated storage element (ISE) that provides 1.0
Gbytes of formatted storage space. RF-series ISEs are used in DSSI busses
(Digital Storage Systems Interconnect). An ISE is a 5.25-inch integrated
storage element that is housed in a special mounting bracket for simplified
installation and upgrading.
Storage Capacity
User capacity 1.0 Gbytes
Ordering Information
RF72E–AA 1.0 Gbyte ISE
Performance
Average seek time 13.3 milliseconds
Average raw seek time, high speed 10.3 milliseconds
Average rotational latency 18.6 milliseconds
Peak transfer rate 2.0 Mbytes/second
Physical Specifications
Height 7.75 cm (3.05 in)
Width 14.60 cm (5.75 in)
Depth 20.75 cm (8.17 in)
Weight 4.09 kg (9.0 lb)
Configuration Information
Form factor Standard 5.25-in high, full rack width
Power requirements +5 Vdc, 1.25 A; +12 Vdc, 3.12 A
Power consumption, spin-up 57.1 W
Power consumption, seeking 27.7 W
2–18 VAX 4000 Model 200 Technical Information
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