System for determining pluggable memory characteristics employin

Details System for determining pluggable memory characteristics employin System for determining pluggable memory characteristics employin

1991-06-13

1993-10-12

Fleming, Michael R.

Static information storage and retrieval

Magnetic bubbles

Guide structure

36523001, 3649294, 364DIG2, G06F 1206

Patent

active

052533573

ABSTRACT:
A system is described that includes an arithmetic logic unit that senses the presence of a circuit module in a connector, wherein one type of circuit module, if present, automatically provides a set of signals on a predetermined pin set that indicates characteristics of the circuit module. The system also includes circuitry that enables the determination of the presence of other types of pluggable circuit modules in the connector. The circuitry comprises a latch circuit for holding a received address for the circuit module. In the received address, a preset field of bits is present which identifies a field in a status register. The status register stores n fields of information defining the characteristics of the pluggable circuit module and is responsive to the preset field of bits to provide signals on the predetermined pin set indicating the information.

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patent: 5175836 (1992-12-01), Morgan

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