Connecting Cables - Supermicro C7C242-CB-M User Manual

2-8 Connecting Cables

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.
ATX Main PWR & CPU PWR
Connectors (JPW1 & JPW2)
The 24-pin main power connector (JPW1)
is used to provide power to the moth-
erboard. The 8-pin CPU PWR connector
(JPW2) is also required for the processor.
These power connectors meet the SSI
EPS 12V specification. Refer to the tables
on the right and below for pin definitions.
12V 8-pin Power
Connector Pin
Definitions
Pins Definition
1-4 Ground
5-8 +12V
(Required)
JPME2:
1-2:NORMAL
2-3:ME MANUFACTURING MODE
JD1:SPEAKER:1-4
JWD1:WATCH DOG
1-2:RST
2-3:NMI
BT1
JSTBY1:
5V STBY POWER
BIOS
LED1
BAR CODE
I-SATA2 I-SATA0
I-SATA4
I-SATA5 I-SATA3 I-SATA1
MAC CODE
USB7 (3.0)
USB2 (2.0)
HD AUDIO
JI2C1/JI2C2
ON :ENABLE
SYS_FAN2 (3.1)
OFF:DISABLE USB 5/6
LAN
MH12
J9702
2280
J9701/J9702
1-2:NORMAL
2-3:DEBUG MODE
MH11
2260
MH10
2242
PCI-E M.2-M1
A
SYS_FAN1
JPW1
2-21
Chapter 2: Installation
ATX Power 24-pin Connector
Pin Definitions (JPW1)
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
A. 24-Pin ATX Main PWR
B. 8-Pin PWR
KB/MOUSE/USB 0/1(2.0)
JPUSB1
JPUSB1:USB0/1 WAKE UP
1-2 ENABLE
2-3 DISABLE
B
DIMMA1
DIMMA2
DIMMB1
DIMMB2
A
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