
2-16
X7DCX User's Manual
JPW3
JSMB1
JUSB3
JUSB2
JUSB4
JUSB5
JBT1
JBAT1
JD1
SP1
JPG1
JPL2
JWD1
CPU1
JF1
CH0_DIMM2
CH0_DIMM0
CH1_DIMM0
CH1_DIMM2
CH1_DIMM1
CH0_DIMM1
JPW1
DP1
JI2C2JI2C1
JL1
Fan3
X7DCX
SIMSO
USB7
USB6
USB4/5
I-SA
T
A
5
I-SA
T
A
4
I-SA
T
A
3
I-SA
TA
1
I-SA
TA
2
I-SA
TA
0
CPU1 Fan
CPU2 Fan
Slo3 PCI-Ex8
Slot4 PCI-Ex8
SMBus1
Fan6
Fan1
Fan8
T-SGPIO2
JWOL
Fan7
Fan2
Floppy
IDE
Fan4
USB2/3
PWR I2C
KB/MS
USB0/1
COM1
VGA
LAN1
LAN2
Slot6 PCI-Ex8
Slot5 PCI-Ex8(in x16slot)
Slot7 PCI-Ex4(inx8 slot)
Slot1 PCI 33MHz
JWOR
COM2
Fan5
JPW2
T-SGPIO1
CPU2
BIOS
JPL1
Slo2 PCI-Ex8
LAN
CTRL
LAN
CTRL
DIMM1B
DIMM1A
DIMM2B
DIMM2A
DIMM3B
DIMM3A
Intel
North Bridge
Intel
South Bridge
VGA
CTRL
S I/O
PLX
PCI-Exp.
Switch
IDE
CTRL
Required Connections
A. 24-pin ATX PWR
B. 4-pin PWR
C. 8-pin Processor PWR
A
B
C
2-6 Connecting to the Headers and Connectors
Power Connectors
ATX Power Connector
A 24-pin main power supply connector
(JPW2) and an 8-pin CPU PWR connector
(JPW3) are located on the motherboard.
These power connectors meet the SSI EPS
12V specifi cation. The 4-pin 12V PWR con-
nection (JPW1) is also required to provide
adequate power to the system. For the
8-pin PWR (JPW3), please refer to the item
listed below. See the table on the right for
pin defi nitions.
Processor Power Connector
In addition to the Primary ATX power con-
nector (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.
Required Connection
Required Connection
12V 4-pin Power Con-
nector
Pin Defi nitions
Pins Defi nition
1 and 2
Ground
3 and 4
+12V
12V 8-pin Power CPU
Connector
Pin Defi nitions
Pins Defi nition
1 through 4
Ground
5 through 8
+12V
ATX Power 24-pin Connector
Pin Defi nitions
Pin# Defi nition Pin # Defi nition
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
Содержание X7DCX
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