Coprocessor detection circuit

Details Coprocessor detection circuit Coprocessor detection circuit

1989-05-19

1992-07-28

Shaw, Gareth D.

Boots, shoes, and leggings

3642286, 3642304, 364266, G06F 1516

Patent

active

051347130

ABSTRACT:
A latch circuit receiving the system reset signal and the error signal from a coprocessor provides an output indicating the presence of the coprocessor. The latch circuit provides the output for computer systems which cannot connect the coprocessor error signal to a coprocessor error input on the processor.

REFERENCES:
patent: 4547849 (1985-10-01), Louie
patent: 4598356 (1986-07-01), Dean et al.
patent: 4926318 (1990-05-01), Nakayama
patent: 4979102 (1990-12-01), Tokuume
Intel Corp., 1 Microprocesor and Peripheral Handbook, Microprocessor 4-1 to 4-28 and 4-55 to 4-88 (1988).
Intel Corp., 1 Microprocessor and Peripheral Handbook, Microprocessor 4-129 to 4-165 (1988).
Compaq Computer Corporation, 1 Compaq Deskpro 386/20 Personal Computer Technical Reference Guide 2-108 to 2-122 (1987).

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