Gigabyte GA-M52LT-S3P User Manual - Page 22

CPU_FAN/SYS_FAN Fan Headers, FDD Floppy Disk Drive Connector

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3/4) CPU_FAN/SYS_FAN (Fan Headers) The motherboard has a 4-pin CPU fan header (CPU_FAN) and a 3-pin system fan header (SYS_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. CPU_FAN: 1 CPU_FAN Pin No. 1 2 Definition GND +12V / Speed Control 3 Sense 4 Speed Control 1 SYS_FAN SYS_FAN Pin No. 1 2 3 Definition GND +12V Sense • 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) 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. 33 1 34 2 GA-M52L-S3P Motherboard - 22 -

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GA-M52L-S3P Motherboard
- 22 -
3/4) CPU_FAN/SYS_FAN (Fan Headers)
The motherboard has a 4-pin CPU fan header (CPU_FAN) and a 3-pin system fan header
(SYS_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_FAN
Pin No.
Definition
1
GND
2
+12V / Speed Control
3
Sense
4
Speed Control
CPU_FAN:
CPU_FAN
1
1
SYS_FAN
5)
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