Fault tolerant computer system
First Claim
Patent Images
1. A network server, comprising:
- a chassis;
an interconnection assembly module mounted on said chassis, said interconnect assembly module including at least one backplane printed circuit board and a plurality of connectors;
a central processing unit (CPU) module mounted on said chassis, said CPU module connected to said interconnection assembly module; and
a plurality of network interface modules, at least one of which is removably mounted on said chassis, said at least one network interface module including a plurality of interface cards removably mounted in said network interface module and removable therefrom when said network interface module is removed from said chassis, said network interface module including a connector which electrically connects said network interface module to said interconnection assembly module when said network interface module is mounted on said chassis, wherein said backplane printed circuit board comprises electrical hardware that is configured to provide electrical termination and isolation where any of said plurality of network interface modules has been removed.
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Accused Products
Abstract
A network server includes removable network interface modules mounted in a chassis. The network interface modules connect to a CPU through an interconnection assembly module. The network interface modules may comprise removable canisters containing a plurality of interface cards.
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Citations
32 Claims
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1. A network server, comprising:
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a chassis;
an interconnection assembly module mounted on said chassis, said interconnect assembly module including at least one backplane printed circuit board and a plurality of connectors;
a central processing unit (CPU) module mounted on said chassis, said CPU module connected to said interconnection assembly module; and
a plurality of network interface modules, at least one of which is removably mounted on said chassis, said at least one network interface module including a plurality of interface cards removably mounted in said network interface module and removable therefrom when said network interface module is removed from said chassis, said network interface module including a connector which electrically connects said network interface module to said interconnection assembly module when said network interface module is mounted on said chassis, wherein said backplane printed circuit board comprises electrical hardware that is configured to provide electrical termination and isolation where any of said plurality of network interface modules has been removed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A network interface module for connection to a network server, comprising:
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a canister;
a printed circuit board secured inside said canister comprising an I/O bus, electrical hardware attached to said I/O bus, a plurality of interface card slots attached to said I/O bus, and a connector attached to said I/O bus extending externally from said canister and configured to electrically communicate to a central processor, wherein said electrical hardware is configured to electrically terminate and isolate the printed circuit board from a host bus; and
a plurality of interface cards mounted in said interface card slots, said interface cards being removable from said canister when said canister is opened. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. An interconnection assembly module, comprising:
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a backplane printed circuit board, having a front and back, mounted on the back of a chassis of a network server, said chassis having a front, back, sides, top and bottom;
a plurality of connectors on said backplane printed circuit board front for connecting to a CPU module and a plurality of network interface modules of said network server;
a plurality of connectors on said backplane printed circuit board front for connecting a plurality of power modules of said network server;
an I/O bus on said backplane printed circuit board back connected to said plurality of high density connectors; and
electrical hardware on said backplane printed circuit board back, said electrical hardware providing arbitered access and speed matching along said I/O bus and further providing electrical termination and isolation where a network interface module of said plural network interface modules has been removed. - View Dependent Claims (28, 29, 30, 31)
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32. A network server comprising:
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a central processing unit;
one or more data storage devices connected to said central processing unit so as to be read from and written to by said central processing unit;
at least one removable canister having at least one network interface board and a plurality of fans mounted therein; and
an interconnection module comprising a printed circuit board having a first connector coupled to said central processing unit, and a second connector configured to couple an I/O bus routed from said first connector, onto said printed circuit board, and to said at least one removable canister, wherein said second connector receives said I/O bus through a bus adapter so as to provide electrical isolation and termination for said I/O bus when said canister is removed.
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Specification