Connecting Cables; Atx Main Pwr & Cpu Pwr Connectors (Jpw1 & Jpw2) - Supermicro C7Z87 User Manual

2-7

Connecting Cables

This section provides brief descriptions and pin-out definitions for onboard headers
and connectors. Be sure to use the correct cable for each header or connector. For
information on Backpanel USB and Front Panel USB ports, refer to Page 2-17. For
Front Panel Audio, please refer to Page 2-19.
ATX Main PWR & CPU PWR
Connectors (JPW1 & JPW2)
The 24-pin main power connector
(JPW1) is used to provide power to
the motherboard. The 8-pin CPU
PWR connector (JPW2) is also
required for the processor. These
power connectors meet the SSI EPS
12V specification. See the table on
the right for pin definitions.
24-Pin Main PWR
JPAC1
AUDIO FP
JSPDIF_OUT
JHD_AC1
JPI1
LV33
JWOR1
JWD1
JPME2
Intel PCH
JBT1
LED1
USB 14/15(3.0)
JF1
JPL2
HD AUDIO
LAN2
USB 2/3
JPL1
JI2C1
JI2C2
C7Z87
Rev. 1.01
BAR CODE
MAC CODE
1394 CODE
BIOS
LICENSE
Always populate blue sockets first;
Unbuffered ECC/non-ECC DDR3 DIMM required
JBR1
A
BIOS
USB12/13(3.0)
SP1
JPW1
JD1
FAN3
JLED1
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
12V 8-pin Power Connec-
Pins
1 through 4
5 through 8
HDMI/DP
VGA/DVI
USB 0/1
LAN1
USB10/11(3.0)
B
JPW2 FAN5
JVR1
FAN4
CPU
FAN1
DIMMA1
DIMMA2
DIMMB1
DIMMB2
JVR2
FAN2
2-25
Chapter 2: Installation
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
tor Pin Definitions
Definition
Ground
+12V
(Required)
A. 24-Pin ATX Main PWR
B. 8-Pin PWR