JPH03104221U - - Google Patents
Info
- Publication number
- JPH03104221U JPH03104221U JP1200390U JP1200390U JPH03104221U JP H03104221 U JPH03104221 U JP H03104221U JP 1200390 U JP1200390 U JP 1200390U JP 1200390 U JP1200390 U JP 1200390U JP H03104221 U JPH03104221 U JP H03104221U
- Authority
- JP
- Japan
- Prior art keywords
- scsi
- relay circuit
- attachment
- bus
- control signal
- 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図は本考案を実施したＳＣＳＩ着脱制御装
置を用いたシステムの構成例、第２図は第１図に
示したシステムの動作を表わすフローチヤート、
第３図は本考案の他の実施例の動作を表わすフロ
ーチヤート、第４図は従来のＳＣＳＩ着脱制御装
置を表わす構成図、第５図は第４図に示した従来
のシステムの動作を表わすフローチヤートである
。
１……ホストＣＰＵ、２……第１のＳＣＳＩ装
置、３，３０……ＳＣＳＩ着脱制御装置、３１…
…制御部、４……第２のＳＣＳＩ装置、Ｂ……Ｓ
ＣＳＩバス、Ｃ……コネクタ、Ｒ……リレー回路
、Ｒ１……リレー・スイツチ、Ｒ２……リレー部
。
FIG. 1 is an example of the configuration of a system using a SCSI attachment/detachment control device embodying the present invention, and FIG. 2 is a flowchart showing the operation of the system shown in FIG.
FIG. 3 is a flowchart showing the operation of another embodiment of the present invention, FIG. 4 is a block diagram showing a conventional SCSI attachment/detachment control device, and FIG. 5 shows the operation of the conventional system shown in FIG. 4. It is a flowchart. 1... Host CPU, 2... First SCSI device, 3, 30... SCSI attachment/detachment control device, 31...
...Control unit, 4...Second SCSI device, B...S
CSI bus, C...connector, R...relay circuit, R1...relay switch, R2...relay section.
Claims (1)
で接続しリレー回路をオンオフして前記ＳＣＳＩ
装置を前記ＳＣＳＩバスに着脱するＳＣＳＩ着脱
制御装置において、単一のＳＣＳＩのＩＤを設定
するとともに前記リレー回路のオンオフを指示す
る前記ＳＣＳＩバス上以外の制御信号を入力し、
この制御信号に従つて前記リレー回路をオンオフ
する制御部を設けたことを特徴とするＳＣＳＩ着
脱制御装置。 The host CPU and the SCSI device are connected via the SCSI bus, and the relay circuit is turned on and off to connect the SCSI device to the SCSI device.
In a SCSI attachment/detachment control device for attaching and detaching devices to and from the SCSI bus, inputting a control signal other than on the SCSI bus that sets a single SCSI ID and instructs on/off of the relay circuit;
A SCSI attachment/detachment control device comprising a control section that turns on and off the relay circuit according to the control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1200390U JPH03104221U (en) | 1990-02-09 | 1990-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1200390U JPH03104221U (en) | 1990-02-09 | 1990-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104221U true JPH03104221U (en) | 1991-10-29 |
Family
ID=31515504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1200390U Pending JPH03104221U (en) | 1990-02-09 | 1990-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104221U (en) |
-
1990
- 1990-02-09 JP JP1200390U patent/JPH03104221U/ja active Pending