Connectors; Power Connections - Supermicro C9X299-PGF-L User Manual

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# Definition
13 +3.3V
14 -12V
15 COM
16 PS_ON
17 COM
18 COM
19 COM
20 Res (NC)
21 +5V
22 +5V
23 +5V
24 COM
JCOM1
MH15
BMC
JPB1
MH14
BAR CODE
B2 IPMI CODE
+
MAC CODE
LED6904
PCIE M.2 M-2
PCIE M.2-M1
JSTBY1
JBT1
LED7201
LED1
PCH
SP1
U.2-1 U.2-2
JLED1
1 I-SATA4 I-SATA2 I-SATA0
I-SATA5 I-SATA3 I-SATA1
Pin Definitions
Pin# Definition
1 +3.3V
2 +3.3V
3 COM
4 +5V
5 COM
6 +5V
7 COM
8 PWR_OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
J3701
HD AUDIO
LAN1
USB 8/9 (3.1) USB 6/7(3.1)
MH12
SYS_FAN3
BIOS
LICENSE
LED6903
LGA2066
DIMMC2
DIMMC1
DIMMD2
DIMMD1
JSD1
SYS_FAN1
JPW1
1
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#
1 and 2
3 and 4
1. ATX Main Power Connector
VGA
KB/Mouse 2. 8-pin Power Connector
USB 4/5(3.0)
3. 4-pin Power Connector
SYS_FAN2
DIMMB1
DIMMB2
DIMMA1
DIMMA2
3
JPW3
2
JPW2
CPU_FAN1
CPU_FAN2
JPI2C1
45
Chapter 2: Installation
Definition
Ground
+12V