Hitachi HUS157336EL3600 Oem Manual page 36

Table 11.4 Pin assignment of SCSI Bus Connector C1 (SCA-2, LVD mode)
Signal Name
Open
Open
-DB(11)
-DB(10)
-DB(9)
-DB(8)
-REQ
-SEL
-MSG
-RST
-ACK
-BSY
-ATN
-DB(P0)
-DB(7)
-DB(6)
-DB(5)
-DB(4)
-DB(3)
-DB(2)
-DB(1)
-DB(0)
-DB(P1)
-DB(15)
-DB(14)
-DB(13)
-DB(12)
Reserved
AUTO START (Note 1)
-ID0 (Note 1)
-ID2 (Note 1)
Note 1 When this signal is held to ground, it is regarded as LOW. When this signal is open,
it is regarded as HIGH. It can be driven by open collector driver.
Do not pull up this signal.
Note 2 The MATED2 signal is tied to ground, and the MATED1 signal is pulled up to HIGH
level in the drive. When the drive detects the MATED1 signal is held to LOW, the
drive regards the connection has completed. When the drive detects the MATED1
signal is held to HIGH, it regards the connection is incomplete.
Connector contact No.
12V
12V
12V
12V
-I/O
-C/D
5V
5V
5V
1 41
2 42
3 43
4 44
5 45
6 46
7 47
8 48
9 49
10 50
11 51
12 52
13 53
14 54
15 55
16 56
17 57
18 58
19 59
20 60
21 61
22 62
23 63
24 64
25 65
26 66
27 67
28 68
29 69
30 70
31 71
32 72
33 73
34 74
35 75
36 76
37 77
38 78
39 79
40 80
Drawing No. Sheet No. Revision 5
K6602906
Signal Name
GND(12V Return)
GND(12V Return)
GND(12V Return)
MATED1 (Note 2)
Open
DIFFSENS
+DB(11)
+DB(10)
+DB(9)
+DB(8)
+I/O
+REQ
+C/D
+SEL
+MSG
+RST
+ACK
+BSY
+ATN
+DB(P0)
+DB(7)
+DB(6)
+DB(5)
+DB(4)
+DB(3)
+DB(2)
+DB(1)
+DB(0)
+DB(P1)
+DB(15)
+DB(14)
+DB(13)
+DB(12)
MATED2 (Note 2)
GND(5V Return)
GND(5V Return)
LED(with 0 ohm)
-DELAY START (Note 1)
-ID1 (Note 1)
-ID3 (Note 1)
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