Supermicro 8025C-3R, User Manual

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5-12
S
UPER
S
ERVER 8025C-3R User's Manual
Reset Connector
The reset connector is located on pins
3 and 4 of JF1 and attaches to the
reset switch on the computer chas-
sis. See the table on the right for pin
defi nitions.
PW_ON Connector
The PW_ON connector is on pins 1
and 2 of JF1. This header should be
connected to the chassis power but-
ton. See the table on the right for pin
defi nitions.
5-9 Connector Defi nitions
Required Connection
+12V 8-pin Power
Pin Defi nitions (JPW2/JPW3)
Pins Defi nition
1 - 4 Ground
5 - 8 +12V
ATX Power 24-pin Connector
Pin Defi nitions (JPW1)
Pin# Defi nition Pin # Defi nition
13 +3.3V 1 +3.3V
14 -12V 2 +3.3V
15 COM 3 COM
16 PS_ON 4 +5V
17 COM 5 COM
18 COM 6 +5V
19 COM 7 COM
20 Res (NC) 8 PWR_OK
21 +5V 9 5VSB
22 +5V 10 +12V
23 +5V 11 +12V
24 COM 12 +3.3V
Reset Button
Pin Defi nitions (JF1)
Pin# Defi nition
3 Reset
4 Ground
Power Button
Pin Defi nitions (JF1)
Pin# Defi nition
1 PW_ON
2 Ground
Processor Power Connector
JPW2 and JPW3 must also be con-
nected to the power supply to provide
power for the processors. See the
table on the right for pin defi nitions.
Main ATX Power Supply
Connector
The primary power supply connector
(JPW1) meets the SSI (Superset ATX)
24-pin specifi cation. Refer to the table
on the right for the pin defi nitions of
the ATX 24-pin power connector. You
must also connect the 8-pin (JPW2/
JPW3) processor power connectors to
your power supply (see below).