User Manual

2-18

Chapter 2: Hardware information

5. ATX power connectors (24-pin EATXPWR1, 4-pin CON1)

These connectors are for the ATX power supply plugs. The power supply plugs are

designed to t these connectors in only one orientation. Find the proper orientation and

push down rmly until the connectors completely t.

• DO NOT forget to connect the 24-pin and the 4-pin power plugs; otherwise, the system

will not boot up.

• Use of a power supply unit (PSU) with a higher power output is recommended when

conguring a system with more power-consuming devices. The system may become

unstable or may not boot up if the power is inadequate.

• This motherboard supports ATX2.0 PSU or later version.

• Ensure that your PSU can provide at least the minimum power required by your

system.

6. SATA power connector (4-pin SATAPWR1)

This connector is for the SATA power cable. The power cable plug is designed to t

this connector in only one orientation. Find the proper orientation and push down rmly

until the connector completely t.

P9A-I

P9A-I SATA power connector

+5V

GND

+5V

SATAPWR1

P9A-I

P9A-I ATX power connectors

EATXPWR1

CON1

PIN 1

+12V DC

GND