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GridCase

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Grid GridCase 1535EXP
A Grid Compass 1530 on display at the U.S. Space & Rocket Center in Huntsville, Alabama
TypePortable computer
CPUIntel 80386
ConnectivityDIN-5 Keyboard, Phone line, RS-232, Parallel, External peripheral, Video, Power 16 V DC [1]
PredecessorCompass 1100 [1]

Designed for NASA to be used in space. The power input is 100-240 V AC 50/60/400 Hz, 80 W. The 400 Hz utility frequency is common on airplanes and submarines.

References

  1. ^ a b "DAVES OLD COMPUTERS - PC compatibles". 090519 classiccmp.org
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