Connectors And Headers; Atx Power Connector; Processor Power Connector - Supermicro X7DA3 Plus User Manual

X7DA3+ User's Manual
2-6

Connectors and Headers

ATX Power Connector

There are a 24-pin main power supply
connector(JPW1) and an 8-pin CPU
PWR connector (JPW3) on the moth-
erboard. These power connectors
meet the SSI EPS 12V specifi cation.
The 4-pin 12V PWR supply located at
JPW2 is also required to provide ad-
equate power to the system. See the
table on the right for pin defi nitions.
For the 8-pin PWR (JPW3), please
refer to the item listed below.

Processor Power Connector

In addition to the Primary ATX power
connector (above), the 12V 8-pin CPU
PWR connector at JPW3 must also
be connected to your power supply.
See the table on the right for pin
defi nitions.
C
JPW2
LAN1/2
CD1
Audio
HD CTRL
Audio
SIM LP IPMI
PCI-Exp x16
PCI-33MHz
Pins
1 and 2
3 and 4
A
CPU
PSF
J17
Fan 1
JPW1
J3P
JAR
SAS
Controller
2-14
ATX Power 24-pin Connector
Pin Defi nitions
Pin# Defi nition Pin #
13 +3.3V 1
14 -12V 2
15 COM 3
16 PS_ON 4
17 COM 5
18 COM 6
19 COM 7
20 Res (NC) 8
21 +5V 9
22 +5V 10
23 +5V 11
24 COM 12
Required Connection
12V 4-pin Power
12V 8-pin Power Con-
Connector
Pin Defi nitions
Pin Defi nitions
Defi nition
Pins
Ground
1 through 4
+12V
5 through 8
Required Connection
B
8-pin PWR
JPW3
A. 24-pin ATX PWR
B. 8-pin Processor PWR
C. 4-pin PWR
Defi nition
+3.3V
+3.3V
COM
+5V
COM
+5V
COM
PWR_OK
5VSB
+12V
+12V
+3.3V
nector
Defi nition
Ground
+12V