sisc由于传输速度极高受到了很高的重视,下面描叙的是插口的样子，
外置式高密50 针scsi接口的外观图形：
scsi接口图片
|
scsi接口定义 |
|
Pin |
Name |
Dir |
Description |
|---|---|---|---|
|
01 |
GND |
|
Ground |
|
02 |
+DB0 |
|
+Data Bus 0 |
|
03 |
+DB1 |
|
+Data Bus 1 |
|
04 |
+DB2 |
|
+Data Bus 2 |
|
05 |
+DB3 |
|
+Data Bus 3 |
|
06 |
+DB4 |
|
+Data Bus 4 |
|
07 |
+DB5 |
|
+Data Bus 5 |
|
08 |
+DB6 |
|
+Data Bus 6 |
|
09 |
+DB7 |
|
+Data Bus 7 |
|
10 |
+DBP |
|
+Data Bus Parity (odd Parity) |
|
11 |
DIFFSENS |
? |
??? |
|
12 |
res |
- |
Reserved |
|
13 |
TERMPWR |
|
Termination Power |
|
14 |
res |
- |
Reserved |
|
15 |
+ATN |
|
+Attention |
|
16 |
GND |
|
Ground |
|
17 |
+BSY |
|
+Bus is busy |
|
18 |
+ACK |
|
+Acknowledge |
|
19 |
+RST |
|
+Reset |
|
20 |
+MSG |
|
+Message |
|
21 |
+SEL |
|
+Select |
|
22 |
+C/D |
|
+Control or Data |
|
23 |
+REQ |
|
+Request |
|
24 |
+I/O |
|
+In/Out |
|
25 |
GND |
|
Ground |
|
26 |
GND |
|
Ground |
|
27 |
-DB0 |
|
-Data Bus 0 |
|
28 |
-DB1 |
|
-Data Bus 1 |
|
29 |
-DB2 |
|
-Data Bus 2 |
|
30 |
-DB3 |
|
-Data Bus 3 |
|
31 |
-DB4 |
|
-Data Bus 4 |
|
32 |
-DB5 |
|
-Data Bus 5 |
|
33 |
-DB6 |
|
-Data Bus 6 |
|
34 |
-DB7 |
|
-Data Bus Parity7 |
|
35 |
-DBP |
|
-Data Bus Parity (odd Parity) |
|
36 |
GND |
|
Ground |
|
37 |
res |
- |
Reserved |
|
38 |
TERMPWR |
|
Termination Power |
|
39 |
res |
- |
Reserved |
|
40 |
-ATN |
|
-Attention |
|
41 |
GND |
|
Ground |
|
42 |
-BSY |
|
-Bus is busy |
|
43 |
-ACK |
|
-Acknowledge |
|
44 |
-RST |
|
-Reset |
|
45 |
-MSG |
|
-Message |
|
46 |
-SEL |
|
-Select |
|
47 |
-C/D |
|
-Control or Data |
|
48 |
-REQ |
|
-Request |
|
49 |
-I/O |
|
-In/Out |
|
50 |
GND |
|
Ground |