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Просмотр инструкции материнской платы Gigabyte GA MA790GP UD3H, страница 26
GA-MA790GP-UD3H Motherboard - 26 -
3/4/5/6) CPU_F AN/SYS_FAN1/SYS_FAN2/PWR_F AN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN), a 3-pin (SYS_FAN2) and a 4-pin
(SYS_FAN1) 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.
• 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.
Pin No. Definition
1 GND
2 +12V
3 Sense
SYS_FAN2/PWR_FAN:
Pin No. Definition
1 GND
2 +12V / Speed Control
3 Sense
4 Speed Control
CPU_FAN:
Pin No. Definition
1 GND
2 +12V / Speed Control
3 Sense
4 Reserve
SYS_FAN1:
PWR_FAN
CPU_FAN
1
1
1
SYS_FAN2
SYS_FAN1
1
7) IDE (IDE Connector)
The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before
attaching the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE
devices, remember to set the jumpers and the cabling according to the role of the IDE devices (for
example, master or slave). (For information about configuring master/slave settings for the IDE
devices, read the instructions from the device manufacturers.)
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1
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