System for selectively controlling slots in an IBM-AT/NEC 9801 d

Details System for selectively controlling slots in an IBM-AT/NEC 9801 d System for selectively controlling slots in an IBM-AT/NEC 9801 d

1990-10-09

1992-04-28

Lee, Thomas C.

Boots, shoes, and leggings

364DIG1, 3642210, 3642211, 364231, 364240, G06F 300, G06F 1340

Patent

active

051095173

ABSTRACT:
A system for selectively controlling individual expansion slots in an IBM-AT/NEC 9801 dual compatible computer provides automatic control for the individual ISA bus expansion slots in the computer. This facilitates the use of an Industry Standard Architecture (ISA) bus and ISA (AT) type add-on cards in the dual compatible computer. A user configures each slot as containing either a card which may interfere with operations of the computer in the non-IBM-AT compatible mode or a card which will not interfere with computer operations in the non-IBM-AT compatible mode. Thereafter, the computer automatically disables the cards in accordance with the mode of computer operation.

REFERENCES:
patent: 4453211 (1984-06-01), Askinazi et al.
patent: 4485439 (1984-11-01), Rothstein
patent: 4716542 (1987-12-01), Peltz et al.
patent: 4885482 (1989-12-01), Sharp et al.
patent: 4905166 (1990-03-01), Scheurman
patent: 4984213 (1991-01-01), Abdeo et al.
patent: 4991085 (1991-02-01), Pleva et al.
patent: 5036841 (1991-07-01), Lunsford et al.

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