Gigabyte MATMH81 Manual - Page 20

SATA1/SATA2 SATA 6Gb/s Connectors, 5/6 CPU_FAN/SYS_FAN CPU Fan/System Fan Headers

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3) SATA1/SATA2 (SATA 6Gb/s Connectors) The SATA1 and SATA2 connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s standard. Each SATA connector supports a single SATA device. SATA1 9 1 SATA1 SATA2 1 9 SATA2 Pin No. Definition 1 GND 2 TXP 3 TXN 4 GND 5 RXN 6 RXP 7 GND 8 VCC 9 GND 4/5/6) CPU_FAN/SYS_FAN (CPU Fan/System Fan Headers) The motherboard has one 4-pin CPU fan header (CPU_FAN), and two 4-pin (SYS_FAN) 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 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. SYS_FAN 1 1 SYS_FAN2 CPU_FAN Pin No. 1 2 3 4 Definition GND +12V Sense Speed Control • 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. - 20 - Hardware Installation

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- 20 -
Hardware Installation
Pin No.
Definition
1
GND
2
TXP
3
TXN
4
GND
5
RXN
6
RXP
7
GND
8
VCC
9
GND
3)
SATA1/SATA2 (SATA 6Gb/s Connectors)
The SATA1 and SATA2 connectors conform to SATA 6Gb/s standard and are compatible with
SATA 3Gb/s standard. Each SATA connector supports a single SATA device.
SATA1
9
9
1
1
SATA1
SATA2
SATA2
4/5/6) CPU_FAN/SYS_FAN (CPU Fan/System Fan Headers)
The motherboard has one 4-pin CPU fan header (CPU_FAN), and two 4-pin (SYS_FAN) 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 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.
1
1
Pin No.
Definition
1
GND
2
+12V
3
Sense
4
Speed Control
CPU_FAN
SYS_FAN
SYS_FAN2
•
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.