Распиновка, расположение выводов и внешний вид устройства хранения данных:
SCSI Internal (Differential)
(at the controller & harddisk.)
(at the cable.)
50 PIN IDC MALE at the controller & harddisk.
50 PIN IDC FEMALE at the cable.
Pin
Name
Dir
Description
01
GND

Ground
02
GND

Ground
03
+DB0

+Data Bus 0
04
-DB0

-Data Bus 0
05
+DB1

+Data Bus 1
06
-DB1

-Data Bus 1
07
+DB2

+Data Bus 2
08
-DB2

-Data Bus 2
09
+DB3

+Data Bus 3
10
-DB3

-Data Bus 3
11
+DB4

+Data Bus 4
12
-DB4

-Data Bus 4
13
+DB5

+Data Bus 5
14
-DB5

-Data Bus 5
15
+DB6

+Data Bus 6
16
-DB6

-Data Bus 6
17
+DB7

+Data Bus 7
18
-DB7

-Data Bus Parity7
19
+DBP

+Data Bus Parity (odd Parity)
20
-DBP

-Data Bus Parity (odd Parity)
21
DIFFSENS
?
???
22
GND

Ground
23
res
—
Reserved
24
res
—
Reserved
25
TERMPWR

Termination Power
26
TERMPWR

Termination Power
27
res
—
Reserved
28
res
—
Reserved
29
+ATN

+Attention
30
-ATN

-Attention
31
GND

Ground
32
GND

Ground
33
+BSY

+Bus is busy
34
-BSY

-Bus is busy
35
+ACK

+Acknowledge
36
-ACK

-Acknowledge
37
+RST

+Reset
38
-RST

-Reset
39
+MSG

+Message
40
-MSG

-Message
41
+SEL

+Select
42
-SEL

-Select
43
+C/D

+Control or Data
44
-C/D

-Control or Data
45
+REQ

+Request
46
-REQ

-Request
47
+I/O

+In/Out
48
-I/O

-In/Out
49
GND

Ground
50
GND

Ground
Note: Direction is Device relative Bus (other Devices).
Contributor:
Joakim Цgren,
Karsten Wenke
Source:
?
Copyright © The Hardware Book Team 1996-2004.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2002-01-10