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Chapter 1: product introduction, Cs-b speaker out connector – Asus CS-B User Manual

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Chapter 1: Product introduction

• We recommend that you use an ATX 12V Specification 2.0-compliant power supply

unit (PSU) with a minimum of 300W power rating. This PSU type has 24-pin and 4-pin

power plugs.

• DO NOT forget to connect the 4-pin/8-pin ATX +12V power plug. Otherwise, the

system will not boot up.

We recommend that you use a PSU with higher power output when configuring a

system with more power-consuming devices or when you intend to install additional

devices. The system may become unstable or may not boot up if the power is

inadequate.

• If you are uncertain about the minimum power supply requirement for your system,

refer to the Recommended Power Supply Wattage Calculator at http://support.asus.

com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.

2. ATX power connectors (24-pin EATXPWR, 8-pin ATX12V)

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

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

push down firmly until the connectors completely fit.

3.

Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker

allows you hear system beeps and warnings.

CS-B ATX power connectors

EATXPWR

PIN 1

GND

+5 Volts

+5 Volts

+5 Volts

-5 Volts

GND

GND

GND

PSON#

GND

-12 Volts

+3 Volts

+3 Volts

+12 Volts

+12 Volts

+5V Standby

Power OK

GND

+5 Volts

GND

+5 Volts

GND

+3 Volts

+3 Volts

EATX12V

PIN 1

+12V DC +12V DC +12V DC +12V DC

GND GND GND GND

CS-B

CS-B Speaker Out connector

+5V GND GND Speaker Out

SPEAKER

PIN 1

CS-B