User's Manual (1.2a)

H8DG6/i(-F) SERVERBOARD USER'S MANUAL
2-12
Power Connectors
A 24-pin main power supply
connector(JPW1) and two 8-pin CPU
PWR connectors (JPW2/JPW3) on the
motherboard. These power connectors
meet the SSI EPS 12V speci cation.
In addition to the 24-pin ATX power
connector, the 12V 8-pin CPU PWR
connector at JPW2 and JPW3 must
also be connected to your power
supply. See the table on the right for
pin de nitions.
Warning: To prevent damage to the
power supply or motherboard, please
use a power supply that contains both
a 24-pin and 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.
ATX Power 24-pin Connector
Pin De nitions
Pin# De nition Pin# De 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
12V 8-pin PWR Connector
Pin De nitions
Pins De nition
1 through 4 Ground
5 through 8 +12V
Required Connection
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
con 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 de nitions.
Power Button
Pin De nitions
(JF1)
Pin# De nition
1 Power
2 Ground
2-8 Connector De nitions