Asus A7N266-E User Manual download pdf (Page 39)

ASUS A7N266 User’s Manual 39

3. HARDWARE SETUP

Connectors

3. H/W SETUP

16) Power Supply Connectors (20-pin block ATXPWR)

This connector supplies to an ATX power supply. The plug from the power supply

fits in only one orientation because of the different hole sizes. Find the proper

orientation and push down firmly making sure that the pins are aligned.

IMPORTANT: Make sure that the ATX power supply (minimum recommended

wattage: 230W) can supply at least 10mA on the +5-volt standby lead (+5VSB).

The system may become unstable and may experience difficulty powering up if

the power supply is inadequate. For Wake-On-LAN support, the ATX power

supply must supply at least 720mA +5VSB.

A7N266

0 10 10 1

A7N266 ATX Power Connector

+3.3VDC

-12.0VDC

COM

PS_ON#

COM

-5.0VDC

+5.0VDC

PWR_OK

+12.0VDC

+3.3VDC

COM

+5.0VDC

COM

+5.0VDC

COM

+5VSB

ATXPWR

A7N266

0 10 10 1

SMBCLK

Ground

SMBDATA

+5V

A7N266 SMBus Connector

SMB

17) SMBus Connector (5-1 pin SMB)

This connector allows you to connect SMBus (System Management Bus) devices.

SMBus devices communicate by means of the SMBus with an SMBus host

and/or other SMBus devices. SMBus is a specific implementation of an I

C bus,

a multi-device bus that allows multiple chips to connect to the same bus and

enabling each one to act as a master by initiating data transfer.

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Asus A7N266-E User Manual Page 39

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