Connector Defi Nitions; Power Connectors; Power Connector - Supermicro H8DGU-LN4F+ User Manual

2-8 Connector Defi nitions

Power Connectors

A 2 4 - p i n m a i n p o w e r s u p p l y
connector(JPW1) and two 8-pin CPU
PWR connectors (JPW2/JPW3) on the
motherboard. These power connectors
meet the SSI EPS 12V specifi cation.
In addition to the 24-pin ATX power
connector, the 12V 8-pin CPU PWR
connectors at JPW2/JPW3 must also
be connected to your power supply.
See the table on the right for pin
defi nitions.
Warning: To prevent damage to the
power supply or motherboard, please
use a power supply that contains a 24-
pin and two 8-pin power connectors.
Be sure to connect these connectors
to the 24-pin (JPW1) and the two 8-pin
(JPW2,JPW3) power connectors on
the motherboard. Failure in doing so
will void the manufacturer warranty on
your power supply and motherboard.

Power Connector

The Power Connector is located on
pins 1 and 2 of JF1. Momentarily
contacting both pins will power on/off
the system. This button can also be
confi gured to function as a suspend
button (with a setting in the BIOS - see
Chapter 4). To turn off the power when
set to suspend mode, press the button
for at least 4 seconds. Refer to the
table on the right for pin defi nitions.
ATX Power 24-pin Connector
Pin Defi nitions
Pin# Defi nition
13 +3.3V
14 -12V
15 COM
16 PS_ON
17 COM
18 COM
19 COM
20 Res (NC)
21 +5V
22 +5V
23 +5V
24 COM
12V 8-pin PWR Connector
Pin Defi nitions
Pins
1 through 4
5 through 8
Required Connection
Power Button
Pin Defi nitions
Pin# Defi nition
1
2
2-13
Chapter 2: Installation
Pin# Defi nition
1 +3.3V
2 +3.3V
3 COM
4 +5V
5 COM
6 +5V
7 COM
8 PWR_OK
9 5VSB
10 +12V
11 +12V
12 +3.3V
Defi nition
Ground
+12V
(JF1)
Power
Ground