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Library: Packard Bell PB250 |
PB-250The PB-250 is a 22-bit minicomputer from 1961 that used delay-line memory. The Reference Manual is a good general introduction to the machine. The other manuals go further in-depth.
PB250-Reference.pdf Software, with flowcharts and commented source listings:
PB250-Math-Routines.pdf Field service instructions:
TriceThe Packard Bell Trice system was a digital computer with an unusual design, similar to an analog computer. It could be configured with a PB-250 as a hybrid system. |
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