Instruction Manual

H8QG6/i+-F Serverboard User's Manual
2-10
2-7 Connector Defi nitions
Power Connectors
A 24-pin main power supply connector(JPW1)
and three 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 three
8-pin power connectors. Be sure to connect
these connectors to the 24-pin (JPW1) and
the three 8-pin (JPW2 and 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 Defi nitions
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
12V 8-pin PWR Connector
Pin Defi nitions
Pins Defi nition
1 through 4 Ground
5 through 8 +12V
Required Connection
Reset Connector
The reset connector is located on pins 3 and
4 of JF1 and attaches to the reset switch on
the computer chassis. 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 button. See the table on the
right for pin defi nitions.
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
Overheat/Fan Fail LED (OH)
Connect an LED to the OH connection on
pins 7 and 8 of JF1 to provide advanced
warning of chassis overheating or fan
failure. Refer to the table on the right for pin
defi nitions and status indicators.
OH/Fan Fail LED
Pin Defi nitions
(JF1)
Pin# Defi nition
7 Vcc
8 Control
OH/Fan Fail
LED Status
State Indication
Solid Overheat
Blinking Fan fail