本站为您提供的SCSI卡接口定义图,SCSI卡接口定义图
SCSI 是 Small Computer System Interface 的缩写,在控制器和设备侧的接口外观为 50 针公插座:
SCSI卡接口界说图
SCSI 是 Small Computer System Interface 的缩写,在控制器和设备侧的接口外观为 50 针公插座:

衔接电缆为 50 针母插头:

Pin |
Name |
Dir |
DescripTIon |
01 |
GND |

|
Ground |
02 |
GND |

|
Ground |
03 |
+DB0 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 0 |
05 |
+DB1 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 1 |
07 |
+DB2 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 2 |
09 |
+DB3 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 3 |
11 |
+DB4 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 4 |
13 |
+DB5 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 5 |
15 |
+DB6 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus 6 |
17 |
+DB7 |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus Parity7 |
19 |
+DBP |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Data Bus Parity (odd Parity) |
21 |
DIFFSENS |
? |
??? |
22 |
GND |

|
Ground |
23 |
res |
– |
Reserved |
24 |
res |
– |
Reserved |
25 |
TERMPWR |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
TerminaTIon Power |
27 |
res |
– |
Reserved |
28 |
res |
– |
Reserved |
29 |
+ATN |

|
+AttenTIon |
30 |
-ATN |

|
-Attention |
31 |
GND |

|
Ground |
32 |
GND |

|
Ground |
33 |
+BSY |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Bus is busy |
35 |
+ACK |

|
+Acknowledge |
36 |
-ACK |

|
-Acknowledge |
37 |
+RST |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Reset |
39 |
+MSG |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
-Message |
41 |
+SEL |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowlr.gif” width=32 border=0>
|
-Select |
43 |
+C/D |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
-Control or Data |
45 |
+REQ |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
-Request |
47 |
+I/O |
” src=”mhtml:http://www.pp51.com/za/300/data/SCSI(cha).mht!http://www.hj-tech.com/file/sup/io/pcnio/gif/arrowr.gif” width=32 border=0>
|
-In/Out |
49 |
GND |

|
Ground |
50 |
GND |

|
Ground |
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