HU0002656A2 - Information processing computer system and method of controlling the state of the system bus - Google Patents

Information processing computer system and method of controlling the state of the system bus

Info

Publication number
HU0002656A2
HU0002656A2 HU0002656A HU0002656A HU0002656A2 HU 0002656 A2 HU0002656 A2 HU 0002656A2 HU 0002656 A HU0002656 A HU 0002656A HU 0002656 A HU0002656 A HU 0002656A HU 0002656 A2 HU0002656 A2 HU 0002656A2
Authority
HU
Hungary
Prior art keywords
lt
live
insertion
bus controller
system
Prior art date
Application number
HU0002656A
Other languages
Hungarian (hu)
Other versions
HU223425B1 (en
HU0002656A3 (en
Inventor
Brian M. Bass
James A. Hubbard
Price W. Oman
Frank J. Pita
Original Assignee
International Business Machines Corp.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US08/826,789 priority Critical patent/US5964855A/en
Application filed by International Business Machines Corp. filed Critical International Business Machines Corp.
Priority to PCT/US1997/005726 priority patent/WO1998045786A1/en
Publication of HU0002656A2 publication Critical patent/HU0002656A2/en
Publication of HU0002656A3 publication Critical patent/HU0002656A3/en
Publication of HU223425B1 publication Critical patent/HU223425B1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/4068Electrical coupling
    • G06F13/4081Live connection to bus, e.g. hot-plugging

Abstract

The present invention relates to a computer information processing system and to a method for controlling the status of a system bus. The present invention relates in particular to controlling the condition of a system and system bus (32) when inserting and removing plug-in units (34-37) (feature cards) by driving bus signals to a predetermined state, thereby rendering the system immune to signal transmission disorders. <Live <insertion and removal <the <live <insertion bus controller (30) accesses the system bus controller (33) via the interface (38) associated with the system bus controller (33) after receiving an indication that the <live <insertion or removal of the feature card is in progress. The <live <insertion bus controller (30) then drives a subset of control signals into immune state for signal transmission disorders. The <live <insertion bus controller (30) suspends running timeout and timeout operations by the developer bus controller (33). After the <live <insertion or removal, the control is returned to the system bus controller (33). HE
HU0002656A 1997-04-07 1997-04-08 Method, system and device of controlling the state of a system bus HU223425B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US08/826,789 US5964855A (en) 1997-04-07 1997-04-07 Method and system for enabling nondisruptive live insertion and removal of feature cards in a computer system
PCT/US1997/005726 WO1998045786A1 (en) 1997-04-07 1997-04-08 Method and system for enabling nondisruptive live insertion and removal of feature cards in a computer system

Publications (3)

Publication Number Publication Date
HU0002656A2 true HU0002656A2 (en) 2000-12-28
HU0002656A3 HU0002656A3 (en) 2002-09-30
HU223425B1 HU223425B1 (en) 2004-06-28

Family

ID=25247538

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0002656A HU223425B1 (en) 1997-04-07 1997-04-08 Method, system and device of controlling the state of a system bus

Country Status (11)

Country Link
US (2) US5964855A (en)
EP (1) EP0974085B1 (en)
JP (1) JP3327559B2 (en)
KR (1) KR100332191B1 (en)
CN (1) CN1138212C (en)
DE (2) DE69729889T2 (en)
HU (1) HU223425B1 (en)
MY (1) MY121358A (en)
PL (1) PL336071A1 (en)
TW (1) TW367446B (en)
WO (1) WO1998045786A1 (en)

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Also Published As

Publication number Publication date
EP0974085B1 (en) 2004-07-14
CN1251670A (en) 2000-04-26
KR100332191B1 (en) 2002-04-12
JP3327559B2 (en) 2002-09-24
CN1138212C (en) 2004-02-11
US5964855A (en) 1999-10-12
EP0974085A1 (en) 2000-01-26
KR20010005776A (en) 2001-01-15
HU223425B1 (en) 2004-06-28
HU0002656A3 (en) 2002-09-30
DE69729889D1 (en) 2004-08-19
TW367446B (en) 1999-08-21
DE69729889T2 (en) 2005-01-20
WO1998045786A1 (en) 1998-10-15
JP2000512417A (en) 2000-09-19
PL336071A1 (en) 2000-06-05
EP0974085A4 (en) 2000-12-20
US6041375A (en) 2000-03-21
MY121358A (en) 2006-01-28

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Legal Events

Date Code Title Description
HFG4 Patent granted, date of granting

Effective date: 20040519

MM4A Lapse of definitive patent protection due to non-payment of fees