5-48
BCU-100 MM
5-48
2
3
4
5
A
B
C
D
E
F
G
H
1
BE-28 (39/44)
SUFFIX: -12
BE-28 (39/44)
SUFFIX: -12
BE-28 (39/44)
BOARD NO. 1-876-411-12
SJX-300_BE-28_012_703
S
SI3493DV-T1
Q7708
3
25
4
6
1
0.1uF
C7725
4.7k
R7737
0.1uF
C7739
FB7705
0.1uF
C7730
0
R7709
18k
R7723
12k
R7724
0.1uF
C7734
10k
NM
R7748
10k
NM
R7743
10k
R7701
22uF
C7714
10k
R7712
10k
R7713
10k
R7702
10k
R7706
10k
R7703
0.1uF
C7808
10k
R7808
10k
R7809
10k
R7802
10k
R7803
0
R7804
10k
R7892
10k
R7891
10k
R7890
0.1uF
C7809
0.1uF
C7811
0
R7902
0
R7813
2.2k
R7893
NM
330
R7894
NM
330
R7895
NM
270
R7896
NM
0.1uF
C7709
0.1uF
C7710
+3.3V_C
701,702,703
GND
V3P3_PEX0
431
0.8
JL7701
GND
+12V_A
703,704,711,731
+5VSB
601,604,701,703
+5V_A
701,702,703,711,721
+3.3V_C
701,702,703
E7800
E7801
E7802
E7803
E7804
E7805
E7806
E7807
GND
S
SI4425BDY-T1
Q7710
4
67
2
8
5
13
GND
+12V_B
702,703,721,731,800
SB_PEX_POWER_ON0
703
0.8
JL7700
V12P0_PEX0
431
S
SI4425BDY-T1
Q7705
4
67
2
8
5
13
GND
+5V_B
411,421,703
BUF_SW_PCI
703
0.8
JL7702
V5P0_PCI
431
GND
+5VSB
601,604,701,703
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
/THERMAL_FAIL
601
GND
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
SW_0
601
GND
+5VSB
601,604,701,703
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
/POW_FAIL
601
GND
+12V_B
702,703,721,731,800
CL-196YG-CD-T
D7802
NM
CL-196YG-CD-T
D7803
NM
CL-196YG-CD-T
D7804
NM
CL-196YG-CD-T
D7805
NM
TC7SA08FU(TE85R)
IC7807
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7808
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7809
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7810
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7811
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7813
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7804
A
2
B
1
GND
3
Y
4
VCC
5
TC7SA08FU(TE85R)
IC7806
A
2
B
1
GND
3
Y
4
VCC
5
GND
GND
GND
GND
GND
GND
GND
GND
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
SW_4_B
601
SW_6
601
SW_PCI
601
SW_7_A
601
SW_8_A
601
SW_4_A
601
SW_8_B
601
SW_ATA
601
BUF_SW_8_A
701,702
BUF_SW_ATA
701
BUF_SW_7_A
711
BUF_SW_PCI
703
BUF_SW_6
701
BUF_SW_4_B
701,702
BUF_SW_8_B
702
GND
GND
0.1uF
C7813
GND
0.1uF
C7814
GND
0.1uF
C7815
GND
0.1uF
C7816
GND
0.1uF
C7817
GND
0.1uF
C7818
GND
0.1uF
C7820
0
R7903
NM
SW_PEX
601
SB_PEX_POWER_ON0
703
10k
R7841
NM
GND
V3P3_ETHPHY_ON0
703
NCP5661DTADJRKG
IC7706
GND
3
VOUT
4
ADJ
5
VIN
2
ENABLE
1
V1P8_ETHPHY
411
+3.3V_A
301,701,702,703,721
V3P3_ETHPHY_ON0
703
GND
100pF
C7722
0
R7738
4.7k
R7739
SI-3012KS-TL
IC7701
GND1
5
VIN
2
VOUT
3
GND2
6
VC
1
ADJ
4
GND3
7
GND4
8
+5V_A
701,702,703,711,721
V3P3_ETHPHY
411
0.8
JL7706
GND
1k
R7722
0
R7725
0.8
JL7712
SI-3012LU-TL
IC7707
VIN
4
VOUT
5
GND
2
VC
3
ADJ
1
V2P5_ETHPHY
411
GND
0
R7740
0.1uF
C7740
100k
R7741
10uF
C7733
0.1uF
C7726
100k
R7742
+3.3V_A
301,701,702,703,721
10uF
C7723
10uF
C7732
0.1uF
C7708
0.8
JL7711
10k
R7714
GND
GND
10k
R7715
GND
10k
R7716
GND
10k
R7717
GND
10k
R7718
GND
10k
R7719
GND
10k
R7720
GND
10k
R7721
10k
R7726
TC7SA08FU(TE85R)
IC7814
A
2
B
1
GND
3
Y
4
VCC
5
SW_IOCN_A
601
GND
0.1uF
C7821
BUF_SW_IOCN_A
800
GND
GND
10k
R7704
0.1uF
C7711
10k
R7705
0.1uF
C7712
0.1uF
C7713
10k
R7707
V3P3_PCI
431
0.8
JL7703
0.1uF
C7718
10k
R7708
10k
R7711
0.1uF
C7717
10k
R7710
GND
+3.3V_C
701,702,703
6.3V
100uF
C7746
6.3V
100uF
C7747
+5VSB
601,604,701,703
10A
F7802
+12V_A
703,704,711,731
+5V_A
701,702,703,711,721
10A
F7801
10A
F7804
+3.3V_C
701,702,703
+3.3V_A
301,701,702,703,721
10A
F7806
+5V_B
411,421,703
10A
F7807
+3.3V_B
701,702,711
10A
F7808
GND
SB_3.3V
701
10A
F7800
V12P0_FAN
702
LTC4300A-1IMS8#TR
IC7702
SCLIN
3
GND
4
SDAOUT
7
SCLOUT
2
VCC
8
SDAIN
6
ENABLE
1
READY
5
GND
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
KY_I2C_SCL
603,604
KY_I2C_SDA
603,604
0.1uF
C7720
10k
R7728
10k
R7729
270
R7749
V1P2_NIC
432
V1P8_NIC
432
V3P3_NIC
432,703
10k
R7767
22uF
C7762
0.1uF
C7761
GND
V3P3_MAIN
431,432,433,442,601,602,603,
604,701,703,711,721,800
10uF
C7759
0
R7762
0.8
JL7704
0.8
JL7707
GND
SI-3012KS-TL
IC7704
GND1
5
VIN
2
VOUT
3
GND2
6
VC
1
ADJ
4
GND3
7
GND4
8
27k
R7760
10k
R7759
10k
NM
R7761
1k
R7758
0.1uF
C7757
0.1uF
C7756
10uF
C7755
V3P3_NIC
432,703
V3P3_NIC
432,703
10k
R7753
0
R7750
NCP5661DTADJRKG
IC7703
GND
3
VOUT
4
ADJ
5
VIN
2
ENABLE
1
0.1uF
C7752
GND
10k
R7755
NM
0.8
JL7705
10uF
C7751
0.1uF
C7750
100pF
C7753
1k
R7752
6.3V
100uF
C7754
33k
R7754
0
R7751
0
R7757
0
R7756
47uF
C7715
47uF
C7716
47uF
C7719
47uF
C7741
47uF
C7758
DTC144EE-TL
Q7701
DTC144EE-TL
Q7702
DTC144EE-TL
Q7703
DTC144EE-TL
Q7704
DTC144EE-TL
Q7803
DTC144EE-TL
Q7805
DTC144EE-TL
Q7807
DTC144EE-TL
Q7806
DTC144EE-TL
Q7848
DTC144EE-TL
Q7849
10A
F7700
10A
F7701
10A
F7702
10A
F7703
S
SI3493DV-T1
Q7706
3
25
4
6
1
10k
R7730
S
SI3493DV-T1
Q7709
3
25
4
6
1
DTC144EE-TL
Q7707
0.1uF
C7721
GND
10k
R7731
SW_NIC_B
703
TC7SA08FU(TE85R)
IC7816
A
2
B
1
GND
3
Y
4
VCC
5
10k
R7732
0.1uF
C7823
GND
GND
GND
SW_NIC_B
703
SW_NIC
601
CN7803
1
THERMAL_OK
2
PWR_OK
3
GND
4
PS_I2C_SDA
5
PS_I2C_SCL
6
+12VRS
13
7
/PS_ON
14
8
GND
9
GND
10
GND
11
+12VRS_RETURN
12
SB_3.3V
CN7801
1
+12V_A
2
+12V_A
3
+12V_A
4
+5VSB
5
GND
6
GND
7
GND
8
GND
9
GND
10
GND
11
GND
12
GND
13
+3.3V
14
+3.3V
15
+3.3V
16
+5V
17
+5V
18
GND
19
GND
20
GND
21
GND
22
+12V_B
23
+12V_B
24
+12V_B
V3P3_PEX0
PS_+12V
PS_+5VSB
PS_+5V
PS_+3.3V
V12P0_PEX0
V5P0_PCI
From AC/DC Power Supply
MAIN PWR IN
From AC/DC Power Supply
PHY
PCI
V3P0_PCI
PWR_OK
/PS_ON
THERMAL_OK
PS CONT IN
NIC
V3P3_NIC
V1P2_NIC
V1P8_NIC
!
!
!
!
!
!
!