JPS6488663A - Memory testing system - Google Patents

Memory testing system

Info

Publication number
JPS6488663A
JPS6488663A JP62247192A JP24719287A JPS6488663A JP S6488663 A JPS6488663 A JP S6488663A JP 62247192 A JP62247192 A JP 62247192A JP 24719287 A JP24719287 A JP 24719287A JP S6488663 A JPS6488663 A JP S6488663A
Authority
JP
Japan
Prior art keywords
time
diagnosing device
test
memory
processing unit
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
JP62247192A
Other languages
Japanese (ja)
Inventor
Seiki Sakai
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP62247192A priority Critical patent/JPS6488663A/en
Publication of JPS6488663A publication Critical patent/JPS6488663A/en
Pending legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE:To prevent a through-put from deterioration and to prevent an over- head from increasing by executing the memory test concerning one area of a test objective memory area divided plurally for every contact time informed from a diagnosing device while providing an external diagnosing device with a timer. CONSTITUTION:A central processing unit 32 stores a memory testing starting address and the number of times of test, issues a timer request command to a diagnosing device 33, and when a constant time passes after the time counting is started, the diagnosing device 33 detects the time-out and issues a time out command to the central processing unit 32. The central processing unit 32 executes the memory test of one area of a test object memory area divided into plural ones within each constant time informed from the diagnosing device 33 and allocates the extra time to other task processing. Thus, the through-put reduction and the increase in overhead can be prevented.
JP62247192A 1987-09-29 1987-09-29 Memory testing system Pending JPS6488663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62247192A JPS6488663A (en) 1987-09-29 1987-09-29 Memory testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62247192A JPS6488663A (en) 1987-09-29 1987-09-29 Memory testing system

Publications (1)

Publication Number Publication Date
JPS6488663A true JPS6488663A (en) 1989-04-03

Family

ID=17159811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62247192A Pending JPS6488663A (en) 1987-09-29 1987-09-29 Memory testing system

Country Status (1)

Country Link
JP (1) JPS6488663A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129545A (en) * 1989-10-16 1991-06-03 Fujitsu Ltd Memory diagnostic system
JPH04542A (en) * 1990-04-17 1992-01-06 Pfu Ltd Memory checking system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03129545A (en) * 1989-10-16 1991-06-03 Fujitsu Ltd Memory diagnostic system
JPH04542A (en) * 1990-04-17 1992-01-06 Pfu Ltd Memory checking system

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