Connecting Cables; Atx/Auxiliary Power Connectors - Supermicro C2SEA User Manual

2-6

Connecting Cables

ATX/Auxiliary Power Connectors

A 24-pin main power connector is
located at JPW1, and a 8-pin power
connector is located at JPW2 on the
motherboard. These power connectors
meet the SSI EPS 12V specifi cation.
Note: The 8-pin 12V PWR sup-
ply is also required to provide
adequate power to the processor.
See the table on the right for pin
defi nitions.
B
CPU
Fan5
Slot7 PCI-E x1
JPL1
Slot6 PCI-E Gen2 x16
Lan
CTRL
Slot5 PCI 33MHZ
Slot4 PCI-E x4 on x16
FP Audio
Slot3 PCI 33MHz
CD1
Slot2 PCI 33MHz
S I/O
JPAC
Slot1 PCI 33MHz
Floopy
Printer JWOR
COM1
Fan1
Intel
G45 (C2SEA)
G43 (C2SEE)
C2SEA/C2SEE
SPI BIOS
JBT1
Intel
CMOS CLEAR
JLED1
ICH10
Battery
JWD1
I-SATA0
I-SATA4
I-SATA1
I-SATA5
JD1
I-SATA2
USB 10/11
JPD1
SPKR1
I-SATA3
JPI1
IDE
JPUSB2
USB 8/9
CTRL
JWOL1
USB6
USB7
IDE
1394_1 1394_2
2-13
Chapter 2: Installation
ATX Power 24-pin Connector
Pin Defi nitions
Pin# Defi nition Pin #
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 CPU PWR
Pin Defi nitions
Pins Defi nition
1 through 4 Ground
5 through 8 +12V
Required Connection
A. 24-pin ATX PWR
B. 8-pin PWR
A
JOH1
Fan4
Defi nition
+3.3V
+3.3V
COM
+5V
COM
+5V
COM
PWR_OK
5VSB
+12V
+12V
+3.3V