SUPER MICRO Computer X9SCM-IIF Connecting Cables, ATX Main PWR & CPU PWR Connectors, Pin Main PWR

X9SCM-IIF/X9SCL-IIF Series User's 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 COM Port 1 and COM Port 2, please see Page 2-19.

ATX Main PWR & CPU PWR

Connectors

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.

AB

ATX Power 24-pin Connector

Pin Definitions (JPW1)

Pin#	Definition	Pin #	Definition
13	+3.3V		+3.3V
		1
14	-12V		+3.3V
		2
15	COM		COM
		3
16	PS_ON		+5V
		4
17	COM		COM
		5
18	COM		+5V
		6
19	COM		COM
		7
20	Res (NC)		PWR_OK
		8
21	+5V		5VSB
		9
22	+5V		+12V
		10
23	+5V	11	+12V
24	COM	12	+3.3V

24-Pin Main PWR			8-Pin Processor PWR
	B	A
KB/MOUSE			JF1
USB/0/1	LAN		DIMM1BDIMM2B
	IPMI
COM1			DIMM2A
			DIMM1A

				DDR3 1066/1333 UDIMM required
VGA
		CPU
LAN1
LAN2
	SLOT7 PCI-E 2.0 X8
	SLOT6 PCI-E 2.0 X8
	SLOT5 PCI-E 2.0 X4 ON X8					I-SATA1 I-SATA0
				JBT1
	SLOT4 PCI-E 2.0 X4 ON X8
				I-SATA5	I-SATA4	I-SATA3 I-SATA2
COM2	USB 12/13	USB4/5	USB2/3	USB11

12V 8-pin Power Connec-

tor Pin Definitions

Pins	Definition
1 through 4	Ground
5 through 8	+12V

(Required)

A.24-Pin ATX Main PWR

B.8-Pin Processor PWR

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