Virtual storage type computer system

Details Virtual storage type computer system Virtual storage type computer system

1988-11-07

1992-06-30

Shaw, Gareth D.

Boots, shoes, and leggings

395425, 364243, 3642432, 3642563, 3642419, G06F 1208

Patent

active

051270943

ABSTRACT:
A computer system includes a processing unit and an external storage holding a virtual data set including an address translation table in addition to data and program. The processing unit includes a real storage for holding an address translation table transferred from the external storage when the virtual data set is opened and an address translation mechanism for making access to the real storage by translating the virtual address to the real address with the aid of the address translation table. When the data required by the processing unit is absent on the real storage, the processing unit transfers the virtual address to the external storage and holds the data transferred from the external storage on the real storage.

REFERENCES:
patent: 4173783 (1979-11-01), Couleur et al.
patent: 4231088 (1980-10-01), Hammer et al.
patent: 4272819 (1981-06-01), Katsumata et al.
patent: 4408273 (1983-10-01), Plow
patent: 4459661 (1984-07-01), Kaneda et al.
An Introduction to Operating Systems, H. M. Deitel, copyright 1983, pp. 179-190.
Operating Systems, H. Lorin and H. M. Deitel, copyright 1981, pp. 299-305.
Patent Abstracts of Japan, vol. 11, No. 37 (P-543) [2484]Feb. 4, 1978; & JP-A-61 206 042 (Hitachi Ltd), Dec. 9, 1986.

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