There was a System / 370 version of the 195, but it did not include Dynamic Address Translation.
2.
Dynamic address translation required expensive and difficult to build specialized hardware; initial implementations slowed down access to memory slightly.
3.
The paper outlined a virtual memory architecture using dynamic address translation ( DAT ) that could be used to implement time-sharing.
4.
When IBM announced th introduction of Dynamic Address Translation ( DAT ), Amdahl announced the 470V / 6 and dropped the 470 / 6.
5.
The S / 360-65M would include dynamic address translation ( DAT ) features that would support virtual memory and allow support for time-sharing.
6.
The S / 360-67 design included a radical new component for implementing virtual memory, the " DAT box " ( Dynamic Address Translation box ).
7.
APL gained its foothold on mainframe timesharing systems from the late 1960s through the early 1980s, in part because it would run on lower-specification systems that were not equipped with Dynamic Address Translation hardware.
8.
After a year of negotiations and design studies, IBM agreed to make a one-of-a-kind version of its S / 360-65 mainframe computer with dynamic address translation ( DAT ) features that would support virtual memory and accommodate UM's desire to support time-sharing.
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