JPS5564660A - Self-diagnostic device of magnetic disk unit - Google Patents

Self-diagnostic device of magnetic disk unit

Info

Publication number
JPS5564660A
JPS5564660A JP13591578A JP13591578A JPS5564660A JP S5564660 A JPS5564660 A JP S5564660A JP 13591578 A JP13591578 A JP 13591578A JP 13591578 A JP13591578 A JP 13591578A JP S5564660 A JPS5564660 A JP S5564660A
Authority
JP
Japan
Prior art keywords
microcomputer
magnetic disk
disk unit
signals
various
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
JP13591578A
Other languages
English (en)
Inventor
Yasuichi Hashimoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP13591578A priority Critical patent/JPS5564660A/ja
Publication of JPS5564660A publication Critical patent/JPS5564660A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Test And Diagnosis Of Digital Computers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
JP13591578A 1978-11-06 1978-11-06 Self-diagnostic device of magnetic disk unit Pending JPS5564660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13591578A JPS5564660A (en) 1978-11-06 1978-11-06 Self-diagnostic device of magnetic disk unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13591578A JPS5564660A (en) 1978-11-06 1978-11-06 Self-diagnostic device of magnetic disk unit

Publications (1)

Publication Number Publication Date
JPS5564660A true JPS5564660A (en) 1980-05-15

Family

ID=15162806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13591578A Pending JPS5564660A (en) 1978-11-06 1978-11-06 Self-diagnostic device of magnetic disk unit

Country Status (1)

Country Link
JP (1) JPS5564660A (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5998263A (ja) * 1982-06-30 1984-06-06 Fujitsu Ltd 磁気デイスク制御装置診断方式
US4479154A (en) * 1981-03-23 1984-10-23 Mitsubishi Denki Kabushiki Kaisha Floppy disk drive with local processor control
JPS6079560A (ja) * 1983-10-06 1985-05-07 Tokyo Electric Co Ltd デイスク記録装置
JPS6292283A (ja) * 1985-10-18 1987-04-27 Fujitsu Ltd 診断方式
US6779137B2 (en) 2000-04-08 2004-08-17 Samsung Electronics Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6782494B2 (en) 2000-04-08 2004-08-24 Samsung Electronics, Co., Ltd Method of verifying defect management area information of disc and test apparatus for performing the same
US6785839B2 (en) 2000-04-08 2004-08-31 Samsung Electronics, Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6804797B2 (en) 2000-04-08 2004-10-12 Samsung Electronics, Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6845473B2 (en) 2000-04-08 2005-01-18 Samsung Electronics Co., Ltd. Method of verifying defect management area information of optical disc
US6892327B2 (en) 2000-04-08 2005-05-10 Samsung Electronics Co., Ltd Method of verifying defect management area information of optical disc upon initialization with certification and test apparatus for performing the same

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479154A (en) * 1981-03-23 1984-10-23 Mitsubishi Denki Kabushiki Kaisha Floppy disk drive with local processor control
JPS5998263A (ja) * 1982-06-30 1984-06-06 Fujitsu Ltd 磁気デイスク制御装置診断方式
JPH0410096B2 (ja) * 1982-06-30 1992-02-24
JPS6079560A (ja) * 1983-10-06 1985-05-07 Tokyo Electric Co Ltd デイスク記録装置
JPS6292283A (ja) * 1985-10-18 1987-04-27 Fujitsu Ltd 診断方式
US6779137B2 (en) 2000-04-08 2004-08-17 Samsung Electronics Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6782494B2 (en) 2000-04-08 2004-08-24 Samsung Electronics, Co., Ltd Method of verifying defect management area information of disc and test apparatus for performing the same
US6785839B2 (en) 2000-04-08 2004-08-31 Samsung Electronics, Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6804797B2 (en) 2000-04-08 2004-10-12 Samsung Electronics, Co., Ltd. Method of verifying defect management area information of disc and test apparatus for performing the same
US6845473B2 (en) 2000-04-08 2005-01-18 Samsung Electronics Co., Ltd. Method of verifying defect management area information of optical disc
US6892327B2 (en) 2000-04-08 2005-05-10 Samsung Electronics Co., Ltd Method of verifying defect management area information of optical disc upon initialization with certification and test apparatus for performing the same

Similar Documents

Publication Publication Date Title
JPS5755456A (en) Career recording system
JPS55131852A (en) Fail-safe unit of control computer
JPS5564660A (en) Self-diagnostic device of magnetic disk unit
JPS5299034A (en) Control system for micro program
JPS51134541A (en) Self-diagnostic system of data processing equipment
JPS5373934A (en) Data exchange control system
JPS5395544A (en) Information processor
JPS56164357A (en) Controller of action of copying machine
JPS5380929A (en) Memory unit
JPS5248944A (en) Information processing system control system
JPS5572269A (en) Operation control system
JPS5453781A (en) Remote supervisory controller
JPS52102645A (en) Input/output control unit
JPS5731057A (en) Information processing equipment
JPS5343184A (en) Sequence controller
JPS5248446A (en) Micro diagnosis system
JPS6426940A (en) Maintenance test system for shared device
JPS55119704A (en) Control unit
JPS57159348A (en) Microprogram control system
JPS5385125A (en) Refresh memory read/write control system in display unit
JPS5411656A (en) Phase scanning array antenna
JPS53122079A (en) Output controlling system for sequential controller
JPS5316548A (en) Control unit
JPS54118970A (en) Controller for domestic machines and devices
JPS56116103A (en) Malfunction preventing device