1.3 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
System Panel Header
USB_PWR
P-
P+
GND
DUMMY
1
GND
P+
P-
USB_PWR
USB 2.0 Header
ASRock B75M-DGS R2.0 Motherboard
USB 3.0 Header
1
DUMMY
DUMMY
+5V
Chassis Speaker Header
PLED+
PLED-
PWRBTN#
GND
1
DUMMY
REST#
GND
HDLED-
HDLED+
SPEAKER
9
