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CPU and Chassis Fan Connectors (CPUFAN1/CASFAN1)
The mainboard provides two onboard 12V cooling fan power connectors to
support CPU (CPUFAN1) and Chassis (CASFAN1) cooling fans. Note that
both cable wiring and type of plug may vary, which depend on the fan
maker. Keep in mind that the red wire should always be connected to the
+12V header and the black wire to the ground (GND) header.
Audio CD_IN Connector (CD1)
Port CD1 is used to attach the audio connector
cable from the CD-ROM/DVD-ROM drive.
Internal Speaker Header (SPEAKER1)
Attach the PC speaker cable from the case to the
4-pin speaker connector (SPEAKER1).
E2
SENSE
GND
+12V
1
E3
E4
CASFAN1
CPUFAN1
SPEAKER1
1
1
CD1