JPS6098153U - magnetic disk controller - Google Patents
magnetic disk controllerInfo
- Publication number
- JPS6098153U JPS6098153U JP18690083U JP18690083U JPS6098153U JP S6098153 U JPS6098153 U JP S6098153U JP 18690083 U JP18690083 U JP 18690083U JP 18690083 U JP18690083 U JP 18690083U JP S6098153 U JPS6098153 U JP S6098153U
- Authority
- JP
- Japan
- Prior art keywords
- track
- symbol
- magnetic disk
- detecting
- disk controller
- 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
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
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を示すブロック図、第２図は
本考案によって書かれたレコードフォーマット図、第３
図は第２図のレコードフォーマットによってコマンド実
行にあたってのヘッド位置を相対的に示しだせん移図、
である。
１ニレコ一ド終了記号書込指示部、２ニレコ一ド紙了記
号検出部、５：コマンド指示部、６：ヘッド切替判定部
。Figure 1 is a block diagram showing an embodiment of the present invention, Figure 2 is a record format diagram written according to the present invention, and Figure 3 is a block diagram showing an embodiment of the present invention.
The figure shows the relative head position during command execution using the record format shown in Figure 2.
It is. 1: 2nd record end symbol writing instruction section; 2nd: 2nd record end symbol detection section; 5: command instruction section; 6: head switching determination section.
Claims (1)
上記の記号を検出する手段をもち、コマンド実行におい
て対象レコードを検出する前に上記記号を上記の記号を
検出する手段により検出した場合にトラックスイッチを
行なわせ、一方不良トラック上には不良トラックである
旨の記号と交代トラックアドレス情報をトラック上の任
意の箇所に書込む手段により書込むことにより、トラッ
クスイッチしたあと不良トラックを上記手段により検出
した場合に交代動作を行なうことを特徴とする磁気ディ
スク制御装置。It has means for writing a symbol after the last record in one track and means for detecting the above symbol, and when the above symbol is detected by the means for detecting the symbol before detecting the target record in command execution, the track is tracked. After the track is switched, a symbol indicating that the track is a defective track and replacement track address information are written on the defective track at an arbitrary location on the track. A magnetic disk control device characterized in that it performs an alternating operation when detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18690083U JPS6098153U (en) | 1983-12-05 | 1983-12-05 | magnetic disk controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18690083U JPS6098153U (en) | 1983-12-05 | 1983-12-05 | magnetic disk controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6098153U true JPS6098153U (en) | 1985-07-04 |
Family
ID=30403571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18690083U Pending JPS6098153U (en) | 1983-12-05 | 1983-12-05 | magnetic disk controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098153U (en) |
-
1983
- 1983-12-05 JP JP18690083U patent/JPS6098153U/en active Pending
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