Patent
1996-07-03
1999-08-03
Sheikh, Ayaz R.
395287, 395306, G06F 1324, G06F 1340
Patent
active
059336137
ABSTRACT:
In a computer system having a double PCI bus configuration, an inter-bus control circuit for relaying a first PCI bus and a second PCI bus is provided with a memory control mechanism common to devices connected to the second PCI bus and an interrupt control mechanism for controlling interrupts between local processors, in addition to a control function for controlling the buses. The inter-bus control circuit having the above mechanisms can be implemented by a single-chip integrated circuit. The integrated inter-bus control circuit prevents the use of a plurality of identical decoder circuits, an increase in the number of parts, and an increase in mounting area, thus providing a compact and low price computer system.
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DEC Chip 21050 PCI-to-PCI Bridge Data Sheet, pp. 1-3--1-5, published by Digital Equipment Corporation. (1993).
Ishida Kazuhisa
Kiyomatsu Tetsuro
Tanaka Toshio
Tsujioka Shigeo
Chung-Trans Xuong
Hitachi , Ltd.
Sheikh Ayaz R.
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