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History of HPC in IBM and Challenge of Exascale - page 9 / 15

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© 2005 IBM Corporation

Page 9

IBM RT: Predecessor to RS/6000 – 1986

From the original Users Guide:

   The IBM RT PC microprocessor wasdeveloped by IBM and uses an integrated                                                      instruction set computer (RISC)                                                        architecture. The chip set consists of                                                           a processor and a storage management                                                  unit for virtual machine operations with                                                       40- bit addressing. The IBM RT PC is                                                     designed to satisfy computing needs of CAD/CAM, engineering and scientific, academic, and other professional environments. Compatibility with the IBM Personal Computer AT is provided through an optional IBM Personal Computer AT Coprocessor and appropriate software. The RT PC consists of a 6150 or 6151 System Unit composed of a processing unit, keyboard, memory, fixed disk drive, high capacity diskette drive, integrated date/time clock, and keylock.

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