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SuperServer E302-9A User's Manual
Chapter 4
Motherboard Connections
This section describes the connections on the motherboard and provides pinout definitions.
Note that depending on how the system is configured, not all connections are required.
The LEDs on the motherboard are also described here. A motherboard layout indicating
component locations may be found in Chapter 1.
Please review the Safety Precautions in Appendix B before installing or removing components.
4.1 Power Connections
Main ATX Power, 4-pin HDD Power, 4-pin DC Power
The primary power supply connector (JPW1) meets the ATX SSI EPS 24-pin specification.
JPH1 is a 4-pin pwer connector for HDD devices. JPV1 is a 4-pin 12V DC power input for an
alternative power source when the 24-pin ATX power is not in use. Refer to the table below
for pin definitions.
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
Pin#
Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
COM
3
COM
16
PS_ON
4
+5V
17
COM
5
COM
18
COM
6
+5V
19
COM
7
COM
20
Res (NC)
8
PWR_OK
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
COM
12
+3.3V
Required Connection
4-pin HDD Power
Pin Definitions
Pin#
Definition
1
12V
2-3
Ground
4
5V
+12V 4-pin Power
Pin Definitions
Pin#
Definition
1-2
Ground
3-4
+12V
1
1
4
4
2
3
JPH1
JPV1
BIOS LICENSE
JTGLED1
JPW1
A2SDi-2C-HLN4F
REV:1.00
DESIGNED IN USA
BAR CODE
COM1
JPCIE1
JSD1
1
SRW1
SRW2
JUIDB
JPL1
JWD1
JPG1
JBR1
JPME2
JI2C1
JI2C2
PRESS FIT
JSAS1
PRESS FIT
JSAS2
JMD1
JB3
LED1
JD1
JSMB1
JGP1
1
JBT1
JPH1
JPV1
FANA
FAN1
FAN2
JF1
JTPM1
JL1
JRT4
JRT3
I-SATA2
I-SATA1
I-SATA3
I-SATA0
JUSB3A1
UIDLED1
A
LEDM1
FANA
FAN3
SUPERDOM SA
TA
DOM+POWER
8-11
4-7
I-SATA
I-SATA
IPMI LAN
DIMMA1
DIMMA2
DIMMB2 DIMMB1
CPU
AL
W
AYS POPULA
TE DIMMA1 FIRST
CPU SLOT7 PCI-E 3.0 X4
M.2:PCI-E 3.0 X2 / I-SATA
LAN4
INTRUSION
JD1:
1-4:SPEAKER
CHASSIS
JL1:
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
1-2:ENABLE JI2C1:
2-3:DISABLE
JI2C2:
1-2:ENABLE
2-3:DISABLE
1-2:NORMAL JPME2:
2-3:ME MANUF
ACTURING MODE
RST
JF1
ON
PWR
2
NIC
OH/FF
X
2-3:NMI 1-2:RST JWD1:W
ATCH DOG
PWR
1 LED
HDD
NIC
LED
JPI2C1
JBR1
1-2:NORMAL
2-3:BIOS RECOVER
Y
LAN2
USB0/1
USB2/3
USB4(3.0)
VGA
LAN1
LAN3
BT1
BIOS LICENSE
JTGLED1
JPW1
A2SDi-2C-HLN4F
REV:1.00
DESIGNED IN USA
BAR CODE
COM1
JPCIE1
JSD1
1
SRW1
SRW2
JUIDB
JPL1
JWD1
JPG1
JBR1
JPME2
JI2C1
JI2C2
PRESS FIT
JSAS1
PRESS FIT
JSAS2
JMD1
JB3
LED1
JD1
JSMB1
JGP1
1
JBT1
JPH1
JPV1
FANA
FAN1
FAN2
JF1
JTPM1
JL1
JRT4
JRT3
I-SATA2
I-SATA1
I-SATA3
I-SATA0
JUSB3A1
UIDLED1
A
LEDM1
FANA
FAN3
SUPERDOM SA
TA
DOM+POWER
8-11
4-7
I-SATA
I-SATA
IPMI LAN
DIMMA1
DIMMA2
DIMMB2 DIMMB1
CPU
AL
W
AYS POPULA
TE DIMMA1 FIRST
CPU SLOT7 PCI-E 3.0 X4
M.2:PCI-E 3.0 X2 / I-SATA
LAN4
INTRUSION
JD1:
1-4:SPEAKER
CHASSIS
JL1:
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
1-2:ENABLE JI2C1:
2-3:DISABLE
JI2C2:
1-2:ENABLE
2-3:DISABLE
1-2:NORMAL JPME2:
2-3:ME MANUF
ACTURING MODE
RST
JF1
ON
PWR
2
NIC
OH/FF
X
2-3:NMI 1-2:RST JWD1:W
ATCH DOG
PWR
1 LED
HDD
NIC
LED
JPI2C1
JBR1
1-2:NORMAL
2-3:BIOS RECOVER
Y
LAN2
USB0/1
USB2/3
USB4(3.0)
VGA
LAN1
LAN3
BT1