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Chapter 2: Installation
2.8 Connectors
This section provides brief descriptions and pinout definitions for onboard headers and
connectors. Be sure to use the correct cable for each header or connector.
Power Connections
ATX Main Power and CPU PWR Connectors
The 24-pin main power connector (JPW1) provides power to the motherboard. The 8-pin
CPU PWR connector (JPW2) is also required for the processor. The 4-pin PWR connector
(JPW3) is an optional. These power connectors meet the SSI EPS 12V specification. Refer
to the tables below for pin definitions.
ATX Main Power Connector (
Required)
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
8-pin Power Connector (Required)
Pin Definitions
Pin#
Definition
1 through 4
Ground
5 through 8
+12V
4-pin Power Connector (Optional)
Pin Definitions
Pin#
Definition
1 and 2
Ground
3 and 4
+12V
1. ATX Main Power Connector
2. 8-pin Power Connector
3. 4-pin Power Connector
BIOS
LICENSE
MAC CODE
IPMI CODE
BAR CODE
C9X299-PGF-L
REV
:1.01
+
1
+
PCIE M.2 M-2
PCIE M.2-M1
U.2-1
U.2-2
CLEAR CMOS
I-SATA5
I-SATA4
I-SATA3
USB 4/5(3.0)
USB 2/3
USB 0/1
PCH SLOT2 PCI-E 3.0 X1
USB 10/1
1(3.0)
CPU SLOT1 PCI-E 3.0 X8 (IN X16)
CPU SLOT7 PCI-E 3.0 X16
CPU SLOT3 PCI-E 3.0 X8 (IN X16)
CPU SLOT5 PCI-E 3.0 X8 (IN X16)
I-SATA2
I-SATA0
I-SATA1
DIMMA1
DIMMB2
DIMMB1
DIMMA2
HD AUDIO
USB 8/9 (3.1)
LAN1
USB 6/7(3.1)
DIMMD2
DIMMD1
DIMMC2
DIMMC1
KB/Mouse
CLOSE 1st
OPEN 1st
JF1
LGA2066
VGA
LED1
JRK1
SP1
JTPM1
JPI2C1
JL1
JP
AC1
JWD1
JPG1
JPME2
CPU_FAN1
CPU_FAN2
SYS_FAN2
SYS_FAN3
SYS_FAN1
JBT1
JSD1
JLED1
JIPMB1
JSTBY1
MH15
MH12
MH14
JD1
J3701
LED6903
LED6904
LED7201
B2
JPW1
JPW2
JCOM1
PCH
RESET
POWER
JPB1
JPW3
BMC
1
2
3
