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SSG-937R-E2CJB User's Manual
5-5
Midplane
The midplane supplies power and logic to the hard drives as well as other parts of
the system. See Figure 5-7 below for a list of connections to the midplane.
2
MH1
1
2
3
BPN-SAS3-937
REV: 1.01
DESIGNED IN USA
R1459
P_FAN1
P_FAN2
P_FAN3
R606
R607
R608
CR16
4
4
4
R540
R542
U311
U1
3
C
C
C
F1
F2
A
1
1
1
U371
A
A
CR15
1
JP36
EC2
EC18
R538
R536
C131
C260
11
11
20
1
10
10
JP2
C265
C266
7
EC26
R702
20
7
20
Q1
6
U316
C262
U372
R620
6
C261
R701
16
16
U317
U375
10
C130
10
R700
11
10
7
11
7
10
20
16
7
6
U320
U321
6
R234
10
R328
7
20
20
C310
C313
U319
6
7
U318
6
20
6
U315
BC1
BC5
BC2
BC4
BC3
BC15
C33
C35
BC6
BC17
C49
C51
BC7
BC9
BC12
BC20
BC10
BC8
BC11
BC19
C34
C36
C50
C52
D36
P_M1
P_M3
P_M2
J29
J17
J31
P_M6
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
J25
GP1
I
I
I
H
H
H
G
G
G
F
F
F
E
E
E
D
D
D
C
C
C
B
B
B
A
A
A
PRESS FIT
PRESS FIT
PRESS FIT
PRESS FIT
4
3
2
1
5
4
Item
Description
1.
Power Connections
2.
Fan Headers (3 each)
3.
Control Panel Connections
4.
Guide Pin
5.
SBB (Storage Bridge Bay) Connections
Note: Use caution when working around the midplane. Do not touch the midplane with
any metal objects and make sure no cables touch the midplane or obstruct the holes,
which aid in proper airflow.
Figure 5-7. Midplane Connections
1
38
37
1
2
R191
R192
R193
R194
F3
R188
R187
R190
CR13
U9
C427
C428
U6
U5
U339
EC8
EC31
EC28
EC6
C86
R34 R33
JP36:
OPEN: DEFAULT
C279
CR18
CLOSE: ACT LED TEST
C281
R703
C280
R1464
C282
11
R705
U2
C293
R706
C278
16
R704
C277
11
11
10
16
11
16
11
16
16
16
10
7
10
10
10
R374
16
11
7
7
7
C319
6
7
R371
7
20
U324
10
6
20
C318
6
6
R461
6
U326
R379
6
U323
U327
C320
C333
U344
U325
20
7
6
R366
U322
C317
MH4
BC26
BC18
BC14
BC25
BC16
BC13
C67
C69
C53
BC24
BC22
BC32
BC23
BC21
BC31
C54
C68
C70
P_M7
P_M8
P_M13
J19
J21
F50
6
5
4
3
2
1
6
5
4
3
2
1
J26
I
I
D
F47
H
H
C
G
G
F
F
E
E
D
D
B
C
C
A
F22
B
B
F48
A
A
PRESS FIT
PRESS FIT
PRESS FIT
4
3
2 1
5
5
2
21
20
MH2
PRESS FIT
18
19
J23
S_FAN1
S_FAN2
OVERHEATFAIL2
R610
R609
C87
A C
4
4
C216
C217
R616
R619
U3
CR20
L1
1
1
U379
U313
C101
U380
U42
R94
C218
U314
C215
U378
Q68
C287
R707
EC12
C285
C283
C284
R708
C286
R617
CR19
11
17
R216
C100
R537
R539
11
16
16
16
10
10
C292
R709
R398
10
10
7
C290
C325
20
6
11
16
16
11
7
7
7
7
10
20
20
20
U331
10
6
6
R439
R411
6
U330
6
U328
R395
C332
7
C327
U332
C324
U329
7
R422
20
20
6
6
C330
U335
U343
BC39
BC40
MH5
BC38
BC37
BC29
BC27
C108
C112
BC28
BC30
C96
C90
BC36
BC44
BC46
BC34
BC35
BC45
BC33
BC43
C106
C113
C95
C110
S_M1
S_M2
S_M3
J30
J18
J32
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
GP2
D40
D41
F49
I
I
I
D
H
H
H
F46
G
G
G
C
F
F
F
F45
E
E
E
D
D
D
B
C
C
C
A
B
B
B
A
A
A
PRESS FIT
PRESS FIT
PRESS FIT
Q37
CR12
5
Connects To
Power Distribution Board
Fan Assemblies
Control Panel
N/A
Node/Serverboard
5-8
1
38
37
21
20
PRESS FIT
1
2
J24
18
19
BUZZER_ENB1
S_FAN3
1
2
R611
4
D49
CR14
F5
F6
R35
R1471
CR22
C170
C169
R88
C432
R71
R64
1
EC24
D50
BC65
U338
EC10
U4
U377
CR21
EC15
EC37
U11
R1474
EC38
R74
PRI_EEPROM1
R544
R546
C299
R713
16
11
10
C288
R711
R420
R421
R418
16
C291
R710
7
10
17
10
6
C295
C297
7
U368
C294
20
16
16
11
11
16
7
6
U381
20
11
11
10
10
16
16
U350
17
16
6
11
10
7
7
U334
10
10
20
6
20
7
7
6
7
U336
R414
20
20
20
U333
20
6
6
C328
C337
6
R473
U348
U346
C336
BC42
BC54
BC53
MH6
BC41
BC51
BC52
C116
C118
C114
BC48
BC58
BC56
BC47
BC57
BC55
C115
C119
C117
S_M7
S_M8
S_M6
J20
J22
6
5
4
3
2
1
6
5
4
3
2
1
J27
R260
R261
I
I
D
F53
H
H
G
G
C
F51
F
F
E
E
D
D
B
F54
R81
C
C
A
B
B
A
A
PRESS FIT
PRESS FIT
PRESS FIT
4
3
2
1
5
4
MH3
3
R170
C105
R1478
U8
C104
U7
R1477
EC14
U34
R167
R168
JP1
20
1
C298
R47
C296
R714
R476
R477
R472
C304
R715
R509
R508
11
R506
10
11
16
16
11
7
10
6
10
7
U347
7
20
20
6
6
U349
U355
R507
C344
BC50
BC62
BC49
BC61
C120
C122
BC60
BC64
BC59
BC63
C121
C123
S_M13
J28
D
F21
C
B
A
1
2
3
PRESS FIT
4
3
2
1
5
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