Intersystem communication link

Details Intersystem communication link Intersystem communication link

1978-10-31

1980-11-18

Smith, Jerry

Boots, shoes, and leggings

G06F 304

Patent

active

042349192

ABSTRACT:
A logic system referred to as an intersystem link unit (ISL) is provided for accommodating the transfer of binary coded information between two or more communication busses in a data processing system, wherein information including memory and non-memory read and write requests, CPU to CPU interrupts, peripheral control units to CPU interrupts may be transferred between plural communication busses each supporting plural data processing units including plural CPUs without substantially affecting the bus rate of the individual communication busses. Binary coded information from a communication bus is acquired asynchronously, and plural bus communications of different types are accommodated in parallel. The ISL units further may be dynamically reconfigured to provide for a reallocation of communication bus resources between communication busses.

REFERENCES:
patent: 3940743 (1976-02-01), Fitzgerald
patent: 4038644 (1977-07-01), Duke et al.
patent: 4047162 (1977-09-01), Dorey et al.

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