Scsi Bus Connector; Figure 19. Table Of Signals - IBM IC35L036UWDY10 - Ultrastar 36.7 GB Hard Drive Specifications

7.1.2 SCSI bus connector

The Ultrastar 146Z10 has 68-pin models and 80-pin SCA-2 models.
7.1.2.1 SCSI signal connector (68-pin model)
The pin assignments of the interface signals conform to SPI-4 as shown in the table below.
Connector contact
number
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

Figure 19. Table of signals

NOTES: *1 TERMPWR can be disabled.
*2 HVD is not supported.
Signal name
+DB(12)
+DB(13)
+DB(14)
+DB(15)
+DB(P1)
+DB(0)
+DB(1)
+DB(2)
+DB(3)
+DB(4)
+DB(5)
+DB(6)
+DB(7)
+P_CRCA
Ground
DIFFSENS(*2)
TERMPWR(*1)
TERMPWR(*1)
Reserved
Ground
+ATN
Ground
+BSY
+ACK
+RST
+MSG
+SEL
+C/D
+REQ
+I/O
+DB(8)
+DB(9)
+DB(10)
+DB(11)
Ultrastar 146Z10 hard disk drive specifications
Connector contact
number
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
22
Signal name
-DB(12)
-DB(13)
-DB(14)
-DB(15)
-DB(P1)
-DB(0)
-DB(1)
-DB(2)
-DB(3)
-DB(4)
-DB(5)
-DB(6)
-DB(7)
-P_CRCA
Ground
Ground
TERMPWR(*1)
TERMPWR(*1)
Reserved
Ground
-ATN
Ground
-BSY
-ACK
-RST
-MSG
-SEL
-C/D
-REQ
-I/O
-DB(8)
-DB(9)
-DB(10)
-DB(11)