Gigabyte GA-GC220 Manual - Page 17

CPU_FAN/SYS_FAN Fan Headers, IDE IDE Connector

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3/4) CPU_FAN/SYS_FAN (Fan Headers) The motherboard has a 3-pin CPU fan header (CPU_FAN) and a 3-pin system fan header (SYS_FAN). Each fan header supplies a +12V power voltage and possesses 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. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. 1 CPU_FAN CPU_FAN: Pin No. 1 2 3 Definition GND Speed Control Sense 1 SYS_FAN SYS_FAN: Pin No. 1 2 3 Definition GND +12V Sense 5) 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.) 40 39 2 1 - 17 - Hardware Installation

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Hardware Installation
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3/4) CPU_FAN/SYS_FAN (Fan Headers)
The motherboard has a 3-pin CPU fan header (CPU_FAN) and a 3-pin system fan header
(SYS_FAN). Each fan header supplies a +12V power voltage and possesses 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. 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_FAN:
1
CPU_FAN
1
SYS_FAN
5)
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.)
1
2
39
40
Pin No.
Definition
1
GND
2
Speed Control
3
Sense
CPU_FAN: