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Chapter 3 Motherboard Connections
Chapter 3
Motherboard Connections
This section describes the connections on the X11SDV-4C-TLN2F motherboard and provides
pinout definitions. Note that depending on how the system is configured, not all connections
are required. The LEDs on the motherboard are also described here. A motherboard layout
indicating component locations may be found in Chapter 1.
Please review the safety precautions in Appendix B before installing or removing components.
3.1 Power Connections
Main ATX Power Supply Connector
JPV1 is the 12V DC power connector that provides alternative power for a special enclosure
when the 24-pin ATX power is not in use. PJ1 is a 4-pin to 24-pin ATX power connector.
4-pin to ATX Power Signal (PJ1)
Pin Definitions
Pin#
Definition
1
PWR_OK
2
GND
3
5VSB
4
PS_ON
4-pin HDD Power
Pin Definitions
Pin#
Definition
1
12V
2-3
GND
4
5V
HDD Power Connector
JPH1 is a 4-pin power connector for HDD use. It provides power from the motherboard to
the onboard HDD.
8-pin 12V Power (JPV1)
Pin Definitions
Pins
Definition
1 - 4
Ground
5 - 8
+12V
