JPS54161852A - Mass memory device with high-speed memory part - Google Patents

Mass memory device with high-speed memory part

Info

Publication number
JPS54161852A
JPS54161852A JP7058078A JP7058078A JPS54161852A JP S54161852 A JPS54161852 A JP S54161852A JP 7058078 A JP7058078 A JP 7058078A JP 7058078 A JP7058078 A JP 7058078A JP S54161852 A JPS54161852 A JP S54161852A
Authority
JP
Japan
Prior art keywords
circuit
contents
medium
speed
writing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP7058078A
Other languages
Japanese (ja)
Inventor
Noriyoshi Yamashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7058078A priority Critical patent/JPS54161852A/en
Publication of JPS54161852A publication Critical patent/JPS54161852A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate both the rotary wait of the magnetic record medium and the positioning wait of the magnetic head and thus to realize the high-speed reading and writing of the data by adding the high-speed memory part and the supervisory circuit to supervise the contents of the high-speed memory part to the mass memory device.
CONSTITUTION: Magnetic disk device 3 is connected to mass memory device 1 used in the electronic computer. And high-speed memory part 81 featuring the capacity equivalent to several tracks on magnetic disk medium 9 and divided in each track unit is provided to device 3, along with contents supervisory circuit 82 supervising the memory contents of part 81. Then address coincidence circuit 82a plus initial/final circuit 82b are added to circuit 82, and then the reading contents of medium 9 is read in a high speed to part 81 via circuit 82 to be sent to the central process circuit. At the same time, the writing contents of medium 9 is written into part 81 from the central process unit. After this, the writing is performed to medium 9 via circuit 82.
COPYRIGHT: (C)1979,JPO&Japio
JP7058078A 1978-06-12 1978-06-12 Mass memory device with high-speed memory part Pending JPS54161852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7058078A JPS54161852A (en) 1978-06-12 1978-06-12 Mass memory device with high-speed memory part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7058078A JPS54161852A (en) 1978-06-12 1978-06-12 Mass memory device with high-speed memory part

Publications (1)

Publication Number Publication Date
JPS54161852A true JPS54161852A (en) 1979-12-21

Family

ID=13435624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7058078A Pending JPS54161852A (en) 1978-06-12 1978-06-12 Mass memory device with high-speed memory part

Country Status (1)

Country Link
JP (1) JPS54161852A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897760A (en) * 1981-12-07 1983-06-10 Nec Corp Magnetic disk device
JPS62130422A (en) * 1985-12-02 1987-06-12 Fujitsu Ltd Managing and processing system for data storage medium
JPH01291345A (en) * 1988-05-05 1989-11-22 Internatl Business Mach Corp <Ibm> Information processing system and control thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897760A (en) * 1981-12-07 1983-06-10 Nec Corp Magnetic disk device
JPH0117173B2 (en) * 1981-12-07 1989-03-29 Nippon Electric Co
JPS62130422A (en) * 1985-12-02 1987-06-12 Fujitsu Ltd Managing and processing system for data storage medium
JPH01291345A (en) * 1988-05-05 1989-11-22 Internatl Business Mach Corp <Ibm> Information processing system and control thereof

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