AR247450A1 - Computer system with program loading apparatus - Google Patents

Computer system with program loading apparatus

Info

Publication number
AR247450A1
AR247450A1 AR90317676A AR31767690A AR247450A1 AR 247450 A1 AR247450 A1 AR 247450A1 AR 90317676 A AR90317676 A AR 90317676A AR 31767690 A AR31767690 A AR 31767690A AR 247450 A1 AR247450 A1 AR 247450A1
Authority
AR
Argentina
Prior art keywords
bios
memory
direct access
rest
processor
Prior art date
Application number
AR90317676A
Other languages
Spanish (es)
Original Assignee
Ibm
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 claimed from US07/398,820 external-priority patent/US5022077A/en
Priority claimed from US07/398,860 external-priority patent/US5136713A/en
Priority claimed from US07/398,865 external-priority patent/US5210875A/en
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of AR247450A1 publication Critical patent/AR247450A1/en

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Abstract

UN APARATO PARA CARGA DE BIOS DENTRO DE UNA DISPOSICION DE COMPUTADORA PERSONAL QUE INCLUYENDO UN PROCESADOR Y UNA MEMORIA DE ACCESO ALEATORIO, COMPRENDIENDO EL APARATO UN DISPOSITIVO DE ALMACENAMIENTO DE ACCESO DIRECTO ACOPLADO AL PROCESADOR, CAPAZ DE ALIMENTAR UNA PLURALIDAD DE REGISTROS DE DATOS; UN REGISTRO DE INICIALIZACION MAESTRO INCLUIDO DENTRO DEL DISPOSITIVO DE ALMACENAMIENTO DE ACCESO DIRECTO, INCLUYENDO UN SEGMENTO DE CODIGO EJECUTABLE; UNA MEMORIA DE LECTURA SOLAMENTE ACOPLADA AL PROCESADOR; UNA PRIMERA DE PORCION DE BIOS INCLUIDA EN LA MEMORIA DE LECTURA SOLAMENTE, INICIALIZANDO DICHA PRIMERA PORCION A LA BIOS A LA DISPOSICION Y EL DISPOSITIVO DE ALMACENAMIENTO DE ACCESO DIRECTO PARA CARGAR DICHO REGISTRO MAESTRO DENTRO DE LA MEMORIA DE ACCESO ALEATORIO; Y UNA PORCION RESTANTE DE BIOS INCLUIDA EN EL DISPOSITIVO DE ACCESO DIRECTO, EN DONDE LA PRIMERA PORCION DE BIOS TRANSFIERE EL CONTROL AL SEGMENTO DE CODIGO EJECUTABLE DEL REGISTRO MAESTRO CON ELFIN DE EFECTUAR LA CA RGA DEL RESTO DE LA PORCION DE BIOS DENTRO DE LA MEMORIA DE ACCESO ALEATORIO, INICIALIZANDO DICHA PORCION DE BIOS RESTANTE AL RESTO DE LA DISPOSICION DE COMPUTADORA PERSONALCON EL FIN DE CARGAR UN SISTEMA OPERATIVO QUE COMIENZA LA OPERACION DE LA DISPOSICION DE COMPUTADORA PERSONAL.A BIOS LOADING DEVICE WITHIN A PERSONAL COMPUTER PROVISION INCLUDING A PROCESSOR AND A RANDOM ACCESS MEMORY, INCLUDING THE DEVICE A DIRECT ACCESS STORAGE DEVICE COUPLED TO THE PROCESSOR; POWERED TO SUPPLY A PLURALITY OF REGISTERS A MASTER INITIALIZATION RECORD INCLUDED WITHIN THE DIRECT ACCESS STORAGE DEVICE, INCLUDING AN EXECUTABLE CODE SEGMENT; A READING MEMORY ONLY COUPLED TO THE PROCESSOR; A FIRST PORTION OF BIOS INCLUDED IN THE READING MEMORY ONLY, INITIALIZING SAID FIRST PORTION TO THE BIOS AVAILABLE AND THE DIRECT ACCESS STORAGE DEVICE TO LOAD SUCH MASTER REGISTRY WITHIN THE RANDOM ACCESS MEMORY; AND A REMAINING PORTION OF BIOS INCLUDED IN THE DIRECT ACCESS DEVICE, WHERE THE FIRST PORTION OF BIOS TRANSFERS CONTROL TO THE EXECUTABLE CODE SEGMENT OF THE MASTER REGISTRY IN ORDER TO CARRY OUT THE REST OF THE REST OF THE BIOS PORTION WITHIN THE MEMORY OF RANDOM ACCESS, INITIALIZING SUCH PORTION OF BIOS REMAINING THE REST OF THE PERSONAL COMPUTER PROVISION IN ORDER TO LOAD AN OPERATIONAL SYSTEM THAT BEGINS THE OPERATION OF THE PERSONAL COMPUTER PROVISION.

AR90317676A 1989-08-25 1990-08-24 Computer system with program loading apparatus AR247450A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US39963189A 1989-08-25 1989-08-25
US07/398,820 US5022077A (en) 1989-08-25 1989-08-25 Apparatus and method for preventing unauthorized access to BIOS in a personal computer system
US07/398,860 US5136713A (en) 1989-08-25 1989-08-25 Apparatus and method for decreasing the memory requirements for bios in a personal computer system
US07/398,865 US5210875A (en) 1989-08-25 1989-08-25 Initial bios load for a personal computer system

Publications (1)

Publication Number Publication Date
AR247450A1 true AR247450A1 (en) 1994-12-29

Family

ID=32996339

Family Applications (1)

Application Number Title Priority Date Filing Date
AR90317676A AR247450A1 (en) 1989-08-25 1990-08-24 Computer system with program loading apparatus

Country Status (1)

Country Link
AR (1) AR247450A1 (en)

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