Connecting Cables; Atx Main Pwr & Cpu Pwr Connectors - Supermicro MBD-X8STI-F User Manual

2-6

Connecting Cables

and connectors. Be sure to use the correct cable for each header or connector.
2-14.
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 connec-
tion. See the table on the right for pin
A
-
B
LSI 1068E
2-21
Chapter 2: Installation
ATX Power 24-pin Connector
13 +3.3V 1
14 -12V 2
15 COM 3
16 PS_ON 4
17 COM 5
18 COM 6
19 COM 7
20 Res (NC) 8
21 +5V 9
22 +5V 10
23 +5V 11
24 COM 12
12V 8-pin Power Connec-
1 through 4 Ground
5 through 8 +12V
(Required)
A. 24-Pin ATX Main PWR
B. 8-Pin Processor PWR
+3.3V
+3.3V
COM
+5V
COM
+5V
COM
PWR_OK
5VSB
+12V
+12V
+3.3V