Gigabyte GA-P55A-UD3P User Manual page 22

1/2) ATX_12V_2X4/ATX (2x4 12V Power Connector and 2x12 Main Power Connector) 1/2) ATX_12V_2X4/ATX (2x4 12V Power Connector and 2x12 Main Power Connector)
With With the the
ponents on the motherboard. Before connecting the power connector, rst make sure the power supply ponents on the motherboard. Before connecting the power connector, rst make sure the power supply
is turned off and all devices are properly installed. The power connector possesses a foolproof design. is turned off and all devices are properly installed. The power connector possesses a foolproof design.
Connect the power supply cable to the power connector in the correct orientation. The 12V power con- Connect the power supply cable to the power connector in the correct orientation. The 12V power con-
nector mainly supplies power to the CPU. If nector mainly supplies power to the CPU. If
not start. not start.
H H a a r r d d w w a a r r e e I I n n
use use of of the the power connector, power connector,
Use of a power Use of a power supp supply providing a 2x ly providing a
• •
manufacturer when using an Intel Extreme Edition CPU (130W). manufacturer when using an Intel Extreme Edition CPU (130W).
T T o meet o meet expansion expansion requiremen requirements, it
• •
high power consumption be used (500W or greater). If a power supply is used that does not high power consumption be used (500W or greater). If a power supply is used that does not
provide the required power, the result can lead to an unstable or unbootable system. provide the required power, the result can lead to an unstable or unbootable system.
12 12 24 24
1 1 13 13
ATX AT X
s s t t a a l l l l a a t t i i o o n n
the the power supply power supply can can
the 12V power connector is not the 12V power connector is not
2x4 12V power connec 4 12V power
ts, it is recommended that a is recommended that a
8 8 4 4
5 5 1 1
ATX_12V_2 AT X_12V_2X4 X4
ATX: ATX :
Pin Pin No. No. Denition Denition
1 1 3.3V 3.3V
2 2 3.3V 3.3V
3 3 GND GND
4 4 +5V +5V
5 5 GND GND
6 6 +5V +5V
7 7 GND GND
8 8 Power Power Good Good
9 9 5VSB 5VSB (stand (stand by by +5V) +5V)
10 10 +12V +12V
11 11 +12V +12V (Only (Only for for 2x12-pin 2x12-pin
12 12 3.3V 3.3V (Only (Only for for 2x12-pin 2x12-pin
- - 2 2 2 2 - -
supply supply enough stable enough stable power to power to
connected, the computer will connected, the computer will
connector is recommended b tor is recommended
power supply that power supply that
AT ATX_12V_2 X_12V_2X4: X4:
Pin Pin No. No. Denition Denition
1 1 GND GND (Only (Only
2 2 GND GND (Only (Only
3 3 GND GND
4 4 GND GND
5 5 +12V +12V (Only (Only
6 6 +12V +12V (Only (Only
7 7 +12V +12V
8 8 +12V +12V
Pin Pin No. No. Denition Denition
13 13 3.3V 3.3V
14 14 -12V -12V
15 15 GND GND
16 16 PS_ON PS_ON
17 17 GND GND
18 18 GND GND
19 19 GND GND
20 20 -5V -5V
21 21 +5V +5V
22 22 +5V +5V
A A TX) TX) 23 23 +5V +5V (Only (Only
A A TX) TX) 24 24 GND GND (Only (Only
all all the the com- com-
by the CPU y the CPU
can withstand can withstand
for for 2x4-pin 2x4-pin 12V) 12V)
for for 2x4-pin 2x4-pin 12V) 12V)
for for 2x4-pin 2x4-pin 12V) 12V)
for for 2x4-pin 2x4-pin 12V) 12V)
(soft (soft On/Off) On/Off)
for for 2x12-pin 2x12-pin ATX) ATX)
for for 2x12-pin 2x12-pin A A TX) TX)