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Chapter 2: Installation
2.7 Connectors
Power Connections
ATX Power Supply Connector
The 24-pin power supply connector (JPW1) meets the ATX SSI EPS 12V specification. You
must also connect the 8-pin (JPWR2) processor power connector to the power supply.
MAC CODE
IPMI CODE
BAR CODE
+
1
+
1
1
1
X1
1SRM-F
REV
:1.01
DESIGNED IN USA
1
1
1
1
1
1
1
1
1
1
Aspeed
AST2500
JNVME2
JNVME3
JNVME1
JNVME0
JBT1
JF1
JPWR2
JRK1
JTPM1
SP1
JOH1
JL1
JUIDB1
JD1
JPW1
MH10
JPI2C1
LED7201
LED6904
UID-LED
LED6301
JSD1
JSD2
I-SGPIO1
I-SGPIO2
FANB
FANA
FAN4
FAN3
FAN2
JPB1
JVRM2
JVRM1
JPG1
JPUSB1
JPME2
JPL2
JPL1
JWD1
I-SA
TA7
I-SA
TA6
I-SA
TA4
I-SA
TA5
I-SATA1
I-SA
TA2
I-SA
TA3
I-SA
TA0
JNVI2C1
JIPMB1
JSTBY1
B2
CLOSE 1st
OPEN 1st
M.2-PCH
ON
RST
PWR
JF1
FAIL PS
LED
NIC
UID
1
2
NIC
LED
LED
PWR
HDD
NMI
X
FAN1 CPU
USB 10(3.0)
USB 8/9(3.0)
USB 4/5
USB 2/3
COM2
CPU SLOT4 PCI-E 3.0 x 8
CPU SLOT6 PCI-E 3.0 x 16
CPU SLOT7 PCI-E 3.0 x 8
DIMMC1
DIMMD1
CPU
LAN2
DIMMB1
LAN1
DIMMA1
IPMI_LAN
USB 6/7(3.0)
USB 0/1
VGA
COM1
Intel
i210
Intel
i210
Intel
C422
1
1. 24-Pin ATX PWR
Required Connection
ATX Power 24-pin Connector
Pin Definitions
Pin#
Definition
Pin#
Definition
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
Ground
3
Ground
16
PS_ON
4
+5V
17
Ground
5
Ground
18
Ground
6
+5V
19
Ground
7
Ground
20
Res (NC)
8
PWR_OK
21
+5V
9
5VSB
22
+5V
10
+12V
23
+5V
11
+12V
24
Ground
12
+3.3V