Dual bus communication system connecting multiple processors to multiple I/O subsystems having a plurality of I/O devices with varying transfer speeds
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United States of America Patent
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Jan 31, 1995
Grant Date -
N/A
app pub date -
Jan 26, 1993
filing date -
Jan 26, 1993
priority date (Note) -
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Abstract
An Input/Output Module (IOM) interfacing multiple computers attached to a dual system bus. The IOM provides an interbus module which interfaces the dual system bus to a sub-requestor bus connecting multiple sub-requestor modules. The sub-requestor modules control a plurality of interface adaptors permitting data transfers to/from a variety of peripherals using different data protocols and clock rates. The requirements for the main host processors and memories in a computer system would be unduly burdensome were it not for the relief from these overhead operations by the input/output module which provides the tailoring of data transfer capability to and from a multiplicity of peripherals having many different types of protocols and clock rates.
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