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公开(公告)号：CA2065999A1
公开(公告)日：1992-12-07
申请号：CA2065999
申请日：1992-04-14
Applicant: IBM
Inventor： LENTA JORGE E , MEDFORD MITCHELL E
Abstract: BC9-91-040 PERSONAL COMPUTER, MEMORY ELEMENT AND METHOD This invention relates to a personal computer having enhanced memory access capabilities, a memory element enabling such enhancement, and a method of operation of a personal computer. The invention contemplates that enhanced capabilities will be attained by enabling a choice between error detection technologies used.
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公开(公告)号：BR9202000A
公开(公告)日：1993-02-02
申请号：BR9202000
申请日：1992-05-27
Applicant: IBM
Inventor： LENTA JORGE EDUARDO , MEDFORD MITCHELL E
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公开(公告)号：CA2070342A1
公开(公告)日：1993-03-28
申请号：CA2070342
申请日：1992-06-03
Applicant: IBM
Inventor： HERNANDEZ LUIS A , VAN LAM KIM , MEDFORD MITCHELL E , TRAN LOC T
Abstract: BC9-91-049 PERSONAL COMPUTER WITH ALTERNATE SYSTEM CONTROLLER OVERRIDE This invention relates to personal computers having the capability for the usual system controlling processor to be reset, initialized and then isolated if an alternate system controller is provided for the system. In accordance with this invention, a personal computer system has a high speed local processor data bus; an input/output data bus; a microprocessor coupled directly to the local processor bus; a connector coupled directly to the local processor bus for accommodating reception of an alternate processor; and a bus interface controller coupled directly to the local processor bus and directly to the input/output data bus for providing communications between the local processor bus and the input/output data bus, with the bus interface controller providing for detection of the failure of an alternate processor received in the connector and, in response to detection of the failure of an alternate processor, transferring control of the local processor bus from the alternate processor to the microprocessor.
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