Connecting Cables & Optional Devices; Atx Main Pwr (Jpw1) & Cpu Pwr Connectors (Jpw2) - Supermicro Supero X9SRi User Manual

2-6 Connecting Cables & Optional Devices
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.
ATX Main PWR (JPW1) & CPU PWR
Connectors (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.
A
24-Pin Main PWR
A. 24-Pin ATX Main PWR
B. 8-Pin Processor PWR
MH1
DP3
1
9
3
5
JSTBY : Wake on Lan
1
3
JIPMB1 JIPMB1
20
19
1
2
2
7
10
+
1
2
1
7
1
2
7
10
2
1
8 7
2
1
8 7
SAS5 SAS6
FANA
8-Pin Processor PWR
C A
UID_LED
UID
UID_SW
1
2
JPB: BMC
1-2 Enable
2-3 Disable
PCIE6
1
X_BT1
MH5
ON:RECOVER BIOS
JPBIOS_RCV1
OFF:NORMAL
1
3
JPME_RCV1
3
R625
ON:ME IN FORCE UPDATA MODE
OFF:NORMAL JRK1
Pin1:RAID_KEY_PCH
Pin2:Ground
Pin3:PCH_DYN_SKU
JBT1
1
3
SAS7 I-SATA3 I-SATA3 I-SATA2 I-SATA2
1
2
2
7
MH7
FAN3
Pin#
13
14
15
16
17
18
19
20
B
21
22
23
24
JVGA
JCOM1
FAN4 COM1
FAN4
JPL1/2: LAN
1-2 Enable
JPL2 JPL1 2-3 Disable
LAN2
JLAN2 LAN1
1 3
JVR1
CLOSE 1st
OPEN 1st
A
JVR2
JD1:
1-3: PWR LED
JWD1:Watch Dog
4-7: SPEAKER
1-2:RST
2-3:NMI
JF1
2 20 A
C
1
1 1 3 7
2-23
Chapter 2: Installation
ATX Power 24-pin Connector
Pin Definitions (JPW1)
Definition Pin # Definition
+3.3V 1 +3.3V
-12V 2 +3.3V
Ground 3 Ground
PS_ON 4 +5V
Ground 5 Ground
Ground 6 +5V
Ground 7 Ground
-5V 8 PWR_OK
+5V 9 5VSB
+5V 10 +12V
+5V 11 +12V
Ground 12 +3.3V
12V 8-pin Power Connec-
tor Pin Definitions
Pins Definition
1 through 4 Ground
5 through 8 +12V
(Required)
1
USB0/1
JPUSB1
DIMM_C1
JTAG1
12
JPW2 JPW2
B
5
JVR6
JVR5
JVR4
JVR3
1
1
3
1
SP1