JPS59177013U - magnetic disk controller - Google Patents
magnetic disk controllerInfo
- Publication number
- JPS59177013U JPS59177013U JP6475984U JP6475984U JPS59177013U JP S59177013 U JPS59177013 U JP S59177013U JP 6475984 U JP6475984 U JP 6475984U JP 6475984 U JP6475984 U JP 6475984U JP S59177013 U JPS59177013 U JP S59177013U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk controller
- record
- read error
- searching
- 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
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の一実施例の回路図、第2図は該実施例
のフローチャートである。
1・・・磁気ディスク、2・・・フリップフロップ、3
・・・データ制御回路、4・・・磁気ヘッド制御回路、
5・・・磁気ヘッド、6・・・データチェック検出回路
、7゜8.11・・・カウンタ、9・・・アンドゲート
、10゜12・・・コンベア回路、13・・・オアゲー
ト、14・・・ノットゲート。FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a flowchart of the embodiment. 1...Magnetic disk, 2...Flip-flop, 3
...data control circuit, 4...magnetic head control circuit,
5... Magnetic head, 6... Data check detection circuit, 7°8.11... Counter, 9... AND gate, 10°12... Conveyor circuit, 13... OR gate, 14. ...Knot Gate.
Claims (1)
のレコード探索を行う機能を有する磁気ディスク制御装
置において、前記交代トラック上のレコード探索時の読
み出しエラーを検出する手段と、該読み出しエラーの回
数を計数し、該計数値が所定値以上となった場合に前記
レコード探索を中止する信号を発生する手段とを備えた
ことを特徴とする磁気ディスク制御装置。A magnetic disk control device having a function of searching for a record on an alternate track of a magnetic disk when a read error occurs, comprising means for detecting a read error when searching for a record on the alternate track, and counting the number of times the read error occurs; A magnetic disk control device comprising means for generating a signal to stop the record search when the count value exceeds a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6475984U JPS59177013U (en) | 1984-05-04 | 1984-05-04 | magnetic disk controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6475984U JPS59177013U (en) | 1984-05-04 | 1984-05-04 | magnetic disk controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59177013U true JPS59177013U (en) | 1984-11-27 |
Family
ID=30194946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6475984U Pending JPS59177013U (en) | 1984-05-04 | 1984-05-04 | magnetic disk controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59177013U (en) |
-
1984
- 1984-05-04 JP JP6475984U patent/JPS59177013U/en active Pending
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