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Chapter 2: Installation
Speaker (JD1)
If you wish to use an external speaker, attach an external speaker to pins 6~7. See the table
below for pin definitions.
Speaker Connector
Pin Definitions
Pin Setting
Definition
Pins 1~2
Power LED
Pins 6~7
External Speaker
Power SMB Header
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PWR Fail
4
Ground
5
+3.3V
12V 8-pin Auxilliary Power Connector (JPWR1)
JPWR1 is an 8-pin ATX power input to provide core power to the processor. Refer to the
table below for pin definitions.
12V 8-pin Power Connector
Pin Definitions
Pins
Definition
1 through 4
Ground
5 through 8
+12V
12V 8-pin Auxilliary Power Connector (JPWR2)
JPWR2 is an 8-pin ATX power input to provide core power to the processor. Refer to the
table below for pin definitions.
12V 8-pin Power Connector
Pin Definitions
Pins
Definition
1 through 4
Ground
5 through 8
+12V
Power SMB Header (JPI2C1)
Power System Management Bus (I2C) header monitors power supply, fan and system
temperatures. See the table below for pin definitions.