Apparatus, method and system for remote peripheral component interconnect bus using accelerated graphics port logic circuits
First Claim
1. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said system comprising:
- a central processing unit connected to a host bus;
a random access memory connected to a random access memory bus;
a core logic chip set connected to the host bus and the random access memory bus;
said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and an accelerated graphics port bus, and a third interface bridge between the random access memory bus and the accelerated graphics port bus;
said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and
said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus.
4 Assignments
0 Petitions
Accused Products
Abstract
A multiple use core logic chip set is provided in a computer system that may be configured either as a bridge between an accelerated graphics port ("AGP") bus and host and memory buses, as a bridge between a remote peripheral component interconnect ("remote-PCI") bus and the host and memory buses, or as a bridge between a primary PCI bus and the remote-PCI bus. The function of the multiple use chip set is determined at the time of manufacture of the computer system or in the field whether an AGP bus bridge or a remote-PCI bus bridge is to be implemented. Selection of the type of bus bridge (AGP or remote-PCI) in the multiple use core logic chip set may be made by a hardware signal input, or by software during computer system configuration or power on self test ("POST"). Software configuration may also be determined upon detection of either an AGP or a remote-PCI device connected to the common AGP/remote-PCI bus.
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Citations
36 Claims
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1. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said system comprising:
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a central processing unit connected to a host bus; a random access memory connected to a random access memory bus; a core logic chip set connected to the host bus and the random access memory bus; said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and an accelerated graphics port bus, and a third interface bridge between the random access memory bus and the accelerated graphics port bus; said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said system comprising:
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a central processing unit connected to a host bus; a random access memory connected to a random access memory bus; a core logic chip set connected to the host bus and the random access memory bus; said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and a first peripheral component interconnect bus, and a third interface bridge between the random access memory bus and the first peripheral component interconnect bus; said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus; wherein said fourth and fifth interface bridges include a cable interface comprising drivers and receivers for interfacing with a plurality of insulated wires in an expansion cable. - View Dependent Claims (19, 20)
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21. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus said system comprising:
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a central processing unit connected to a host bus; a random access memory connected to a random access memory bus; a core logic chip set connected to the host bus and the random access memory bus; said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and a first peripheral component interconnect bus, and a third interface bridge between the random access memory bus and the first peripheral component interconnect bus; said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus; wherein the host bus, random access memory bus and first peripheral component interconnect bus are on a first printed circuit board. - View Dependent Claims (22, 23)
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24. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said system comprising:
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a central processing unit connected to a host bus; a random access memory connected to a random access memory bus; a core logic chip set connected to the host bus and the random access memory bus; said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and a first peripheral component interconnect bus, and a third interface bridge between the random access memory bus and the first peripheral component interconnect bus; said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus; wherein the fourth and fifth interface bridges of said core logic chip set are configured for the remote peripheral component interconnect bus by an electrical signal sent from a hardwired jumper circuit located on the first printed circuit board.
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25. A computer system having a core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said system comprising:
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a central processing unit connected to a host bus; a random access memory connected to a random access memory bus; a core logic chip set connected to the host bus and the random access memory bus; said core logic chip set configured as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and a first peripheral component interconnect bus, and a third interface bridge between the random access memory bus and the first peripheral component interconnect bus; said core logic chip set configured as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus; and said core logic chip set configured as a fifth interface bridge between the random access memory bus and the remote component interconnect bus; wherein the fourth and fifth interface bridges of said core logic chip set are configured for the remote peripheral component interconnect bus by software control of said core logic chip set. - View Dependent Claims (26, 27, 28)
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29. A method, in a computer system, of configuring a core logic chip set for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, said method comprising the steps of:
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providing a central processing unit connected to a host bus; providing a random access memory connected to a random access memory bus; providing a core logic chip set connected to the host bus and the random access memory bus; configuring said core logic chip set as a first interface bridge between the host bus and the random access memory bus, a second interface bridge between the host bus and a first peripheral component interconnect bus, and a third interface bridge between the random access memory bus and the first peripheral component interconnect bus; and configuring said core logic chip set as a fourth interface bridge between the host bus and a remote peripheral component interconnect bus and a fifth interface bridge between the random access memory bus and the remote peripheral component interconnect bus when a configuration signal is applied to said core logic chip set. - View Dependent Claims (30, 31, 32)
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33. A core logic chip set configurable for either an accelerated graphics port (AGP) bus or a remote peripheral component interconnect (PCI) bus, comprising:
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an accelerated graphics port (AGP) request queue; an AGP reply queue; an AGP data and control logic; an AGP and PCI arbiter; a PCI data and control logic; a PCI to PCI bridge; and an expansion cable interface adapted for connection to an expansion cable; said AGP request and reply queues connected to a memory interface and control logic, said memory and interface control logic adapted for connection to a computer system random access memory; said AGP data and control logic connected to said memory and interface control logic; said PCI data and control logic connected to said memory and interface control logic; said AGP data and control logic and PCI data and control logic connected to a host bus interface, said host bus interface adapted for connection to a computer system host bus having at least one central processing connected thereto; a host to PCI bus bridge connected to said host bus interface and adapted for connection to a computer system primary PCI bus; said PCI to PCI bridge connected to said AGP data and control logic, and said PCI data and control logic, wherein said PCI to PCI bridge transfers PCI information transactions between said Host to primary PCI bus bridge and said AGP data and control logic, and said PCI data and control logic; said AGP data and control logic, said PCI data and control logic, and said AGP and PCI arbiter adapted for connection to either an AGP bus or a PCI bus; and said expansion cable interface connected to said PCI data and control logic. - View Dependent Claims (34, 35, 36)
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Specification