Connecting Cables; Atx Power Connector; Processor Power Connector - Supermicro X7DCA-3 User Manual

X7DCA-3/X7DCA-i User's Manual
2-5

Connecting Cables

ATX Power Connector

A 24-pin main power supply connec-
tor is located at JPW3, and an 4-pin
power connector is lactated at JPW1
on the motherboard. These power
connectors meet the SSI EPS 12V
specifi cation. See the table on the
right for pin defi nitions. For the 8-pin
CPU Power connector (JPW2), refer
to the item below.

Processor Power Connector

In addition to the Primary ATX power
connector, the 12V 8-pin CPU PWR
connector at JPW2 must also be con-
nected to provide adequate power to
your processors. See the table on the
right for pin defi nitions.
A
C
FAN6 FAN5
JPW1 JPW3
DIMM1A
DIMM1B
DIMM2A
DIMM2B
DIMM3A
DIMM3B
JPL2
LAN
CTRL
JPL1
LAN
CTRL
SLOT7 SIMLP IPMI
Audio CTRL
SLOT6 PCI-E X16
JC2
SLOT5 PCI 33MHz
CD1
SLOT4 PCI-E X4 (in X16 slot)
JI2C4
JI2C1
JI2C2 JI2C3
SLOT3 PCI 33MHz
S I/O
SLOT2 PCI-X 133/100MHz
SLOT1 PCI-X 133/100MHz
FLOPPY IDE1
J6
J3P1
FAN7
DIMM1-1
DIMM0-1
DIMM1-2
CPU1
DIMM0-2
DIMM1-3
DIMM0-3
Intel 5100
MCH
CPU2
JBT1
I-button
Intel
ITE
ICH9R
CTRL
Battery
JPF
LES1
LES2
T-SGPIO1 T-SGPIO2
JPS1
SAS
PXH-V
CTRL
BIOS
JP1
USB8
USB9
USB6/7 USB4/5
J5
JL1
JWOR1
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
12V 4-pin Power
Pin Defi nitions
Pins Defi nition
1 and 2 Ground
3 and 4 +12V
12V 8-pin CPU PWR
Pin Defi nitions
Pins Defi nition
1 through 4 Ground
5 through 8 +12V
Required Connections
B
A. 24-pin ATX PWR
JAR
JP3
JPW2
B. 8-pin Processor PWR
LE1
JF1
SP1
I-SATA0
I-SATA1
I-SATA2
I-SATA3
I-SATA4
I-SATA5
JWD1
Defi nition
+3.3V
+3.3V
COM
+5V
COM
+5V
COM
PWR_OK
5VSB
+12V
+12V
+3.3V