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2.6 Pin Header Easy Installation Guide
ASRock motherboard is equipped with pin headers with obvious colors which indi-
cate you to recognize the crucial headers more easily. Please refer to below illustra-
tions for the pin defi nition of onboard headers. If you want to have more information
about the usage of these headers, please refer to "Jumpers Setup" and "Onboard
Headers and Connectors" for details.
GND
PRESENCE#
MIC_RET
OUT_RET
1
OUT2_L
J_SENSE
OUT2_R
MIC2_R
MIC2_L
Front Panel Audio Header
HDMI_SPDIF Header
20
USB_PWR
P-
P+
GND
DUMMY
1
GND
1
SPDIFOUT
GND
P+
P-
USB_PWR
USB 2.0 Header
ASRock FM2A55 Pro Motherboard
1
SPEAKER
DUMMY
DUMMY
+5V
Chassis Speaker Header
PLED+
PLED-
PWRBTN#
GND
1
DUMMY
REST#
GND
HDLED-
HDLED+
System Panel Header
1
PLED-
PLED+
PLED+
Power LED Header
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