Gigabyte GA-X48T-DQ6 Manual - Page 25

/5 CPU_FAN / SYS_FAN1 / SYS_FAN2 / PWR_FAN Fan Headers, NB_FAN North Bridge Fan Header - cpu support

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Page 25 highlights

3/4/5) CPU_FAN / SYS_FAN1 / SYS_FAN2 / PWR_FAN (Fan Headers) The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin (SYS_FAN1) and a 4-pin (SYS_FAN2) system fan header, and a 3-pin power fan header (PWR_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). The motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. 1 CPU_FAN 1 SYS_FAN2 CPU_FAN: Pin No. 1 2 3 4 SYS_FAN2: Pin No. 1 2 3 4 Definition GND +12V / Speed Control Sense Speed Control Definition GND +12V / Speed Control Sense Reserve 1 SYS_FAN1 1 PWR_FAN SYS_FAN1/PWR_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 6) NB_FAN (North Bridge Fan Header) Connect the North Bridge fan cable to this header. The fan header has a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation. Most fans are designed with color-coded power connector wires. A red power connector wire indicates a positive connection and requires a +12V voltage. The black connector wire is the ground wire. 1 Pin No. Definition 1 GND 2 +12V 3 NC • Be sure to connect fan cables to the fan headers to prevent your CPU, North Bridge and system from overheating. Overheating may result in damage to the CPU/North Bridge or the system may hang. • These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers. - 25 - Hardware Installation

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Hardware Installation
- 25 -
3/4/5) CPU_FAN / SYS_FAN1 / SYS_FAN2 / PWR_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin (SYS_FAN1) and a 4-pin
(SYS_FAN2) system fan header, and a 3-pin power fan header (PWR_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). The motherboard supports CPU fan speed
control, which requires the use of a CPU fan with fan speed control design. For optimum heat
dissipation, it is recommended that a system fan be installed inside the chassis.
1
CPU_FAN
SYS_FAN1
1
PWR_FAN
1
SYS_FAN2
1
•
Be sure to connect fan cables to the fan headers to prevent your CPU, North Bridge and
system from overheating. Overheating may result in damage to the CPU/North Bridge or
the system may hang.
•
These fan headers are not configuration jumper blocks. Do not place a jumper cap on the
headers.
6)
NB_FAN (North Bridge Fan Header)
Connect the North Bridge fan cable to this header. The fan header has a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation. Most fans are designed
with color-coded power connector wires. A red power connector wire indicates a positive connec-
tion and requires a +12V voltage. The black connector wire is the ground wire.
Pin No.
Definition
1
GND
2
+12V
3
NC
1
Pin No.
Definition
1
GND
2
+12V
3
Sense
SYS_FAN1/PWR_FAN:
Pin No.
Definition
1
GND
2
+12V / Speed Control
3
Sense
4
Speed Control
CPU_FAN:
SYS_FAN2:
Pin No.
Definition
1
GND
2
+12V / Speed Control
3
Sense
4
Reserve