Gigabyte GA-E350N WIN8 Manual - Page 12

ATX_12V/ATX 2x2 12V Power Connector and 2x12 Main Power Connector, 4 CPU_FAN/SYS_FAN Fan Headers - power consumption

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1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply 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 connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start. To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (300W 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. 3 4 1 2 ATX_12V ATX_12V: Pin No. 1 2 3 4 Definition GND GND +12V +12V 12 24 1 13 ATX ATX: Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 Definition Pin No. 3.3V 13 3.3V 14 GND 15 +5V 16 GND 17 +5V 18 GND 19 Power Good 20 5VSB (stand by +5V) 21 +12V 22 +12V (Only for 2x12-pin 23 ATX) 3.3V (Only for 2x12-pin 24 ATX) Definition 3.3V -12V GND PS_ON (soft On/Off) GND GND GND -5V +5V +5V +5V (Only for 2x12-pin ATX) GND (Only for 2x12-pin ATX) 3/4) CPU_FAN/SYS_FAN (Fan Headers) The motherboard has a 3-pin CPU fan header (CPU_FAN) and a 4-pin system fan header (SYS_FAN). Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. 1 CPU_FAN CPU_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 1 SYS_FAN SYS_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 4 Speed Control •• Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang. •• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers. - 12 -

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1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector)
With the use of the power connector, the power supply can supply enough stable power to all the components
on the motherboard. Before connecting the power connector, first make sure the power supply 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 connector mainly supplies power to the CPU. If the 12V power connector is not connected,
the computer will not start.
3/4) CPU_FAN/SYS_FAN (Fan Headers)
The motherboard has a 3-pin CPU fan header (CPU_FAN) and a 4-pin system fan header (SYS_FAN).
Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect
it in the correct orientation (the black connector wire is the ground wire). For optimum heat dissipation, it
is recommended that a system fan be installed inside the chassis.
To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption
be used (300W 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.
ATX_12V:
Pin No.
Definition
1
GND
2
GND
3
+12V
4
+12V
13
1
24
12
ATX
ATX:
Pin No.
Definition
Pin No.
Definition
1
3.3V
13
3.3V
2
3.3V
14
-12V
3
GND
15
GND
4
+5V
16
PS_ON (soft On/Off)
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
Power Good
20
-5V
9
5VSB (stand by +5V)
21
+5V
10
+12V
22
+5V
11
+12V (Only for 2x12-pin
ATX)
23
+5V (Only for 2x12-pin ATX)
12
3.3V (Only for 2x12-pin
ATX)
24
GND (Only for 2x12-pin ATX)
•
Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating
may result in damage to the CPU or the system may hang.
•
These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers.
ATX_12V
2
1
4
3
CPU_FAN
1
CPU_FAN:
Pin No.
Definition
1
GND
2
+12V
3
Sense
SYS_FAN
1
SYS_FAN:
Pin No.
Definition
1
GND
2
+12V
3
Sense
4
Speed Control