JPH0447735U - - Google Patents
Info
- Publication number
- JPH0447735U JPH0447735U JP9090790U JP9090790U JPH0447735U JP H0447735 U JPH0447735 U JP H0447735U JP 9090790 U JP9090790 U JP 9090790U JP 9090790 U JP9090790 U JP 9090790U JP H0447735 U JPH0447735 U JP H0447735U
- Authority
- JP
- Japan
- Prior art keywords
- scsi bus
- circuit
- termination
- section
- position detection
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 4
Landscapes
- Bus Control (AREA)
- Debugging And Monitoring (AREA)
Description
第１図本考案によるコンピユータ周辺装置の一
実施例を適用した光デイスク装置の一例を示す分
解斜視図、第２図は第１図に示す光デイスク装置
の後面図、第３図は第１図に示す光デイスク装置
の回路例を示すブロツク図、第４図は第３図に示
す入力側ＳＣＳＩインタフエースコネクタのピン
割り当て例を示す表図、第５図は第３図に示す出
力側ＳＣＳＩインタフエースコネクタのピン割り
当て例を示す表図、第６図は第３図に示す終端回
路の詳細な回路例を示す回路図、第７図は本考案
によるコンピユータ周辺装置の他の実施例を適用
した光デイスク装置の終端回路例を示す回路図、
第８図はＳＣＳＩバスを使用したコンピユータシ
ステムの一例を示すブロツク図、第９図は第８図
に示すＳＣＳＩバスの１つであるシングルエンド
型ＳＣＳＩバスのピン割り当て例を示す表図、第
１０図は第８図に示す終端回路の詳細な回路であ
る。
９……終端回路、１４……ＳＣＳＩバス、１５
……位置検出部（終端判定部）、１６……終端抵
抗接続部（スイツチ部）、１７……終端抵抗（終
端抵抗部）。
Fig. 1 is an exploded perspective view showing an example of an optical disk device to which an embodiment of a computer peripheral device according to the present invention is applied, Fig. 2 is a rear view of the optical disk device shown in Fig. 1, and Fig. 3 is a view similar to that shown in Fig. 1. 4 is a block diagram showing an example of the circuit of the optical disk device shown in FIG. 4, a table showing an example of pin assignment of the input side SCSI interface connector shown in FIG. 3, and FIG. FIG. 6 is a circuit diagram showing a detailed circuit example of the termination circuit shown in FIG. 3; FIG. 7 is a table diagram showing an example of pin assignment of the Ace connector; FIG. 7 is a circuit diagram showing a detailed circuit example of the termination circuit shown in FIG. 3; FIG. A circuit diagram showing an example of a termination circuit of an optical disk device,
FIG. 8 is a block diagram showing an example of a computer system using a SCSI bus, FIG. 9 is a table showing an example of pin assignment for a single-ended SCSI bus, which is one of the SCSI buses shown in FIG. The figure shows a detailed circuit of the termination circuit shown in FIG. 9... Termination circuit, 14... SCSI bus, 15
. . . Position detection section (termination determination section), 16... Termination resistance connection section (switch section), 17... Termination resistance (termination resistance section).
Claims (1)
置において、自装置が前記ＳＣＳＩバスの終端に
位置するかどうかを検出する位置検出部と、この
位置検出部によつて前記ＳＣＳＩバスの終端に位
置すると検知されたとき、前記ＳＣＳＩバスに終
端抵抗を接続する終端抵抗接続部とを備えたこと
を特徴とするコンピユータ周辺装置。 A computer peripheral device connected to a SCSI bus includes a position detection section for detecting whether the device itself is located at the end of the SCSI bus, and a position detection section that detects that the device is located at the end of the SCSI bus. and a terminating resistor connecting section for connecting a terminating resistor to the SCSI bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090790U JPH0447735U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090790U JPH0447735U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447735U true JPH0447735U (en) | 1992-04-23 |
Family
ID=31826065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9090790U Pending JPH0447735U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1063387A (en) * | 1996-08-22 | 1998-03-06 | Toshiba Corp | SCSI bus terminator connection control device |
-
1990
- 1990-08-29 JP JP9090790U patent/JPH0447735U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1063387A (en) * | 1996-08-22 | 1998-03-06 | Toshiba Corp | SCSI bus terminator connection control device |
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