JPS63113250U - - Google Patents
Info
- Publication number
- JPS63113250U JPS63113250U JP372887U JP372887U JPS63113250U JP S63113250 U JPS63113250 U JP S63113250U JP 372887 U JP372887 U JP 372887U JP 372887 U JP372887 U JP 372887U JP S63113250 U JPS63113250 U JP S63113250U
- Authority
- JP
- Japan
- Prior art keywords
- address register
- cylinder
- circuit
- head address
- head
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１……インタフエース回路、２……シリンダア
ドレスレジスタ、３……データバス、４……シリ
ンダアドレスセツト命令、５……シーク制御回路
、６……ヘツドアドレスレジスタ、７……データ
バス、８……ヘツドアドレスセツト命令、９……
ヘツド選択回路、１０……ダイオード、１１……
ダイオード、１２……バツテリー、１３……装置
の直流電源、１４……電圧チエツク回路、１５…
…レジスタインヒビツト信号、１６……シリンダ
アドレス読出し命令、１７……ヘツドアドレス読
出し命令、１８……ゲート回路、１９……ゲート
回路。
FIG. 1 is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Interface circuit, 2... Cylinder address register, 3... Data bus, 4... Cylinder address set instruction, 5... Seek control circuit, 6... Head address register, 7... Data bus, 8... ...Head address set command, 9...
Head selection circuit, 10... diode, 11...
Diode, 12... Battery, 13... DC power supply of device, 14... Voltage check circuit, 15...
...Register inhibit signal, 16...Cylinder address read instruction, 17...Head address read instruction, 18...Gate circuit, 19...Gate circuit.
Claims (1)
をシリンダアドレスレジスタおよびヘツドアドレ
スレジスタとして使用したことを特徴とする磁気
デイスク装置。 A magnetic disk device characterized in that a battery backed up non-volatile memory is used as a cylinder address register and a head address register.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP372887U JPS63113250U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP372887U JPS63113250U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63113250U true JPS63113250U (en) | 1988-07-21 |
Family
ID=30783754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP372887U Pending JPS63113250U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63113250U (en) |
-
1987
- 1987-01-13 JP JP372887U patent/JPS63113250U/ja active Pending
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