Table of Contents
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SCSI OUT
1
35
1
34
68
(FEMALE)
2
SCSI IN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
3
23
24
25
26
SCSI IN
27
1
35
28
29
30
31
32
33
34
35
36
37
38
39
40
41
34
68
42
(FEMALE)
43
44
45
46
47
4
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
5
A
B
Frame (1/2), CN-1753
AC POWER SW
S001
AC INLET
POWER SW
CN1
L
1
3
L
1
1
AC (L)
1
1
G
N
2
4
9
N
9
AC (N)
4
4
5/4
GROUND1
CN51
GROUND2
5/4
2
1-1
+12V
2
1-2
+12V
2
1-3
+12V
1
1-4
+5V
1-5
+5V
1
1
1-6
+5V
0
1-7
GND
0
1-8
GND
0
1-9
GND
0
1-10
GND
POWER SUPPLY
POWER IN
IC10
SI4953DY
1
S1
2
G1
SCSI DB12(+)
3
S2
SCSI DB13(+)
4
G2
SCSI DB14(+)
SCSI DB15(+)
IC11
SI4953DY
SCSI P1(+)
1
GND
S1
SCSI DB0(+)
2
G1
SCSI DB1(+)
3
S2
4
SCSI DB2(+)
G2
SCSI DB3(+)
CN4
12V
SCSI DB4(+)
IC12
POWER IN
SI4953DY
SCSI DB5(+)
2
4-1
+12V
SCSI DB6(+)
1
S1
2
4-2
+12V
SCSI DB7(+)
2
G1
2
4-3
+12V
SCSI DBP(+)
3
S2
1
+5V
4-4
SCSI DIFFSENS
4
G2
1
4-5
+5V
SCSI TERMPWR
1
4-6
+5V
SCSI TERMPWR
IC13
0
4-7
GND
SI4953DY
SCSI RESERVED
0
4-8
GND
SCSI ATN(+)
1
S1
0
4-9
GND
SCSI GND
2
G1
0
4-10
GND
SCSI BSY(+)
3
S2
SCSI ACK(+)
4
G2
SCSI RST(+)
SCSI MSG(+)
IC14
R24
R10
33k
10
SI4953DY
SCSI SEL(+)
12V
SCSI C/D(+)
1
S1
2
SCSI REQ(+)
R23
G1
330
SCSI I/O(+)
3
R22
S2
10k
SCSI GND
4
C11
G2
100
SCSI DB8(+)
16V
SCSI DB9(+)
IC15
SI4953DY
C10
SCSI DB10+)
1000p
SCSI DB11(+)
1
S1
SCSI DB12(-)
2
G1
Q10
3
SCSI DB13(-)
DTC144
S2
SCSI DB14(-)
4
G2
SCSI DB15(-)
FAN7
FAN7
CN1
SCSI PI(-)
SCSI GND
1
+12V
Q1
M
R1
SCSI DB0(-)
3
H;FAN 7 ERR
DTC144EKA-T146
68k
SCSI DB1(-)
2
GND
SCSI DB2(-)
C1
0.1
SCSI DB3(-)
FAN8
FAN8
CN3
SCSI DB4(-)
1
+12V
SCSI DB5(-)
M
Q2
R2
3
H;FAN 8 ERR
DTC144EKA-T146
68k
SCSI DB6(-)
2
GND
SCSI DB7(-)
C2
SCSI DBP(-)
0.1
SCSI GND
SCSI TERMPWR
CN-1753
SCSI TERMPWR
SCSI RESERVED
SCSI ATN(-)
SCSI GND(-)
SCSI BSY(-)
FAN1
SCSI ACK(-)
M
SCSI RST(-)
SCSI MSG(-)
SCSI SEL(-)
SCSI C/D(-)
FAN2
SCSI REQ(-)
M
SCSI I/O(-)
SCSI GND(-)
SCSI DB8(-)
FAN3
SCSI DB9(-)
SCSI DB10-)
M
SCSI DB11(-)
FAN4
M
FAN5
M
FAN6
M
68P SCSI CABLE
C
Frame (1/2), CN-1753
SCSI 68P
J1
Refer to (2/2) for detail
HDD5(ID-6)
of CN-1667 and CN-1668 boards
J2
16P
18P
CN1
CN-1668
CN-1667
CN3
1
3
2
4
8
2
0
0
1
D1
7
D1
6
CN1668
D2
5
D2
HDD POWER2(3)
8
D1
7
D1
6
D2
5
D2
CN5
CN1
12V
IF,
POWER OUT
CN1753
POWER IN
+12V
5-1
2
1-1
+12V
8
D1
+12V
5-2
2
1-2
+12V
7
D1
+12V
5-3
2
1-3
+12V
6
D2
+5V
1
1-4
+5V
5-4
5
D2
+5V
5-5
1
1-5
+5V
+5V
5-6
1
1-6
+5V
GND
5-7
0
1-7
GND
GND
5-8
0
1-8
GND
8
D1
GND
5-9
0
1-9
GND
7
D1
GND
5-10
0
1-10
GND
6
D2
5
D2
8
D1
7
D1
6
D2
5
D2
8
D1
7
D1
6
D2
5
D2
CN2
IF715
+12V
1
2
Q4 C
2
4
GND
3
GND
4
0
HDD POWER1(4)
CN1668
FAN1
CN3
3-1
+12V
2
0
0
1
3-2
H;FAN1 ERR
3-3
GND
1
3
2
4
FAN2
CN4
CN3
4-1
+12V
4-2
H;FAN2 ERR
4-3
GND
FAN3
CN-1667
CN5
CN-1668
5-1
+12V
5-2
H;FAN3 ERR
5-3
GND
FAN4
CN6
6-1
+12V
6-2
H;FAN4 ERR
CN1
GND
6-3
18P
16P
FAN5
CN7
J2
7-1
+12V
7-2
H;FAN5 ERR
Refer to (2/2) for detail
HDD8(ID-9)
of CN-1667 and CN-1668 boards
7-3
GND
FAN6
CN8
J1
SCSI 68P
8-1
+12V
8-2
H;FAN6 ERR
8-3
GND
6-4 (a)
6-4 (a)
D
E
UNIT3
SE-378
HDD6(ID-7)
J1A
12P
12P
CN1
8
8
8
2
8
8
8
8
2
0
1
8
8
8
8
8
8
2
0
0
1
SE378 POWER
2 2
1 1
0 0 0 0
2 0
1 2 8 8 8 8 8 8 8 8 8 8 8 8 8 8 1 8 8 8 8 8 8
2 2
1 1
0 0 0 0
2 0
1 2 8 8 8 8 8 8 8 8 8 8 8 8 8 8 1 8 8 8 8 8 8
SE378 POWER
8
8
8
2
8
8
8
8
2
0
1
8
8
8
8
8
8
2
0
0
1
CN1
12P
12P
J1A
SE-378
HDD7(ID-8)
UNIT4
F
SCSI 68P
J1
Refer to (2/2) for detail
of CN-1667 and CN-1668 boards
J2
J1A
16P
12P
18P
12P
CN1
CN1
CN-1668
CN-1667
CN3
1
3
2
4
8
8
8
1
8
8
8
8
CN1668
UNIT3
IF-715
UNIT4
CN1668
8
8
8
1
8
8
8
8
1
3
2
4
CN3
CN-1668
CN-1667
CN1
CN1
18P
12P
16P
12P
J2
J1A
Refer to (2/2) for detail
of CN-1667 and CN-1668 boards
J1
SCSI 68P
BKNW-116
G
H
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