volt busbars, each of which delivered about 2200 amps. The Cray-2 was powered by two motor-generators, which took in 480 V three-phase. See also History of supercomputing References External links Cray-2 module pictures Cray-2 Functional Description Manual Cray-2 Brochure Computer-related introductions in 1985 2 Vector supercomputers 64-bit computers