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Chapter 4: Motherboard Connections
Motherboard Connections
This section describes the connections on the A2SAN-LN4-E/-C 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
. More detail can be found in the
Please review the Safety Precautions in
before installing or removing components.
4.1 Power Connections
SATA Power
Pin Definitions
Pin#
Definition
1
12V
2-3
Ground
4
5V
SATA Power Connector
The 4-pin SATA power connector JPH1 provides power to onboard HDD devices. Refer to
the table below for pin definitions.
8-pin Power
Pin Definitions
Pin#
Definition
1 - 4 P12VSB
5 - 8 Ground
8-Pin Power Connector
JPW1 is an 8-pin 12V DC power input for the CPU that must be connected to the power
supply. Refer to the table below for pin definitions.