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3
3/4) CPU_FAN/SYS_FAN1/SYS_FAN2/SYS_FAN3 (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), two 4-pin (SYS_FAN1/SYS_FAN2) and a 3-pin
S
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(SYS_FAN3) system fan headers. 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 speed control function requires the use of a fan with fan speed control design. For optimum heat
dissipation, it is recommended that a system fan be installed inside the chassis.
CPU_FAN:
Pin No. Definition
1
1
2
3
CPU_FAN
4
SYS_FAN3:
S
_
Pin No. Definition
1
1
2
SYS_FAN3
3
• 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.
5) SATA EXPRESS (SATA Express Connector)
Each SATA Express connector supports a single SATA Express device. Note: The SATA Express connector
is not compatible with regular SATA devices.
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6) SATA3 0/1/2/3/4/5 (SATA 6Gb/s Connectors)
The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA
1.5Gb/s standard. Each SATA connector supports a single SATA device.
5 3 1
SATA3
4 2 0
7
7
To enable hot-plugging for the SATA ports, refer to Chapter 2, "BIOS Setup," "Peripherals\SATA
Configuration," for more information.
B S S
S F
1
GND
B_
SYS_FAN1
+12V
Sense
1
Speed Control
SYS_FAN2
GND
+12V
N/A
1
1
- 15 -
U
S
_
SYS_FAN1/2:
Pin No. Definition
1
GND
_
2
Speed Control
3
Sense
4
VCC
Pin No. Definition
1
GND
2
TXP
3
TXN
4
GND
5
RXN
6
RXP
7
GND
_ _
3
_
_B
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