Gigabyte GA-EP43-DS3LR Manuel d'utilisateur Page 25

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Hardware Installation- 25 -
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.
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 headers, 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.
Pin No. Definition
1 GND
2 +12V
3 Sense
SYS_FAN1/PWR_FAN:
Pin No. Definition
1 GND
2 +12V
3 Sense
4 Speed Control
CPU_FAN:
Pin No. Definition
1 GND
2 Speed Control
3 Sense
4 +5V
SYS_FAN2:
6) FDD (Floppy Disk Drive Connector)
This connector is used to connect a floppy disk drive. The types of floppy disk drives supported
are: 360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a floppy disk drive, be
sure to locate pin 1 of the connector and the floppy disk drive cable. The pin 1 of the cable is
typically designated by a stripe of different color.
1
2
33
34
SYS_FAN1 / PWR_FAN
1
1
CPU_FAN
1
SYS_FAN2
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