Asus A-45GA QUICK START GUIDE

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English

Power Supply

A/X series

Quick Reference

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Thank you for buying the ASUSThank you for buying the ASUS

Thank you for buying the ASUS

Thank you for buying the ASUSThank you for buying the ASUS

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Power Supply!Power Supply!

Power Supply!

Power Supply!Power Supply!

English

The ASUS power supply combines the latest heat management and noise-reduction technologies to ensure reliable and stable performance you can count on. The power supply features over-power protection, over-voltage protection, and short-circuit protection to prevent damage to the power supply and to your computer system.

Package contents

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Power supply

•

AC power cord

•

Screws (4 pcs.)

•

Quick reference

If any of the above items is damaged or missing, contact your retailer.

Installing the power supply

1. For A-series, locate the voltage selector switch at the back of the power supply. Set the power supply to the correct power voltage.

•

If the voltage supply in your area is 100~127V, set the switch to 115V.

•

If the voltage supply in your area is 200~240V, set the switch to 230V.

For models with full range AC input voltage, proceed to step 2.

2. Install the power supply into the chassis and secure it with four screws. (Refer to the documentation that came with your system for specific instructions.)

Power connectors

The connectors from the power supply are designed to fit in only one orientation. Find the proper orientation and push down firmly until the connectors fit completely.

1.1.

ATX motherboard connectorATX motherboard connector

ATX motherboard connector

1.1.

ATX motherboard connectorATX motherboard connector (24-pin)(24-pin)

(24-pin)

(24-pin)(24-pin) This connector is for

the main power connector on the motherboard.

PinPin

ColorColor

Color

PinPin

ColorColor

1 ORANGE +3.3V ORANGE +3.3V

2 ORANGE +3.3V 13 BROWN +3.3VS

3 BLACK GND 14 BLUE -12V

4 RED +5V 16 GREEN PS-ON 5 BLACK GND 17 BLACK GND 6 RED +5V 18 BLACK GND 7 BLACK GND 19 BLACK GND 8 GRAY PS 20 NC

9 PURPLE +5VSB 21 RED +5V 10 YELLOW +12V1 22 RED +5V 11 YELLOW +12V1 23 RED +5V 12 ORANGE +3.3V 24 BLACK GND

VoltageVoltage

Voltage

VoltageVoltage

PinPin

ColorColor

Color

PinPin

ColorColor

15 BLACK GND

VoltageVoltage

Voltage

VoltageVoltage

ASUS power supplyASUS power supply

ASUS power supply

ASUS power supplyASUS power supply

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2.2.

+12V connector (4-pin)+12V connector (4-pin)

+12V connector (4-pin)

2.2.

+12V connector (4-pin)+12V connector (4-pin) This connector is for the 4-pin

ATX +12V power connector on the motherboard.

3.3.

Auxiliary connector (6-pin)Auxiliary connector (6-pin)

Auxiliary connector (6-pin)

3.3.

Auxiliary connector (6-pin)Auxiliary connector (6-pin) [optional][optional]

[optional]

[optional][optional] This connector is for motherboards

that require extra power (250W or more). This connector consists of thicker wires for +3.3V and +5V signals.

4.4.

Peripheral connector (4-pin)Peripheral connector (4-pin)

Peripheral connector (4-pin)

4.4.

Peripheral connector (4-pin)Peripheral connector (4-pin) This connector is for internal

hard disks, optical drives, cooling devices, adapters, and other peripheral devices.

VoltageVoltage

Voltage

VoltageVoltage GND BLACK 1 GND BLACK 2 +12V YELLOW 3 +12V YELLOW 4

VoltageVoltage

Voltage

VoltageVoltage GND BLACK 1 GND BLACK 2 GND BLACK 3 +3.3V ORANGE 4 +3.3V ORANGE 5 +5V RED 6

VoltageVoltage

Voltage

VoltageVoltage +12V YELLOW 1 GND BLACK 2 GND BLACK 3 +5V RED 4

ColorColor

Color

ColorColor

Color

ColorColor

Color

ColorColor

PinPin

English

5.5.

Floppy disk connector (4-pin)Floppy disk connector (4-pin)

Floppy disk connector (4-pin)

5.5.

Floppy disk connector (4-pin)Floppy disk connector (4-pin) This connector is for a 3.5” floppy

disk drive.

6.6.

Serial ATA (SATA) connectorSerial ATA (SATA) connector

Serial ATA (SATA) connector

6.6.

Serial ATA (SATA) connectorSerial ATA (SATA) connector (5-pin) [optional](5-pin) [optional]

(5-pin) [optional]

(5-pin) [optional](5-pin) [optional] This connector is for Serial

ATA devices.

7.7.

PCI Express™ connectorPCI Express™ connector

PCI Express™ connector

7.7.

PCI Express™ connectorPCI Express™ connector (6-pin)(6-pin)

(6-pin)

(6-pin)(6-pin) This connector is for PCI

Express high-end graphics add-in cards.

VoltageVoltage

Voltage

VoltageVoltage +5V RED 1 GND BLACK 2 GND BLACK 3 +12V YELLOW 4

VoltageVoltage

Voltage

VoltageVoltage +3.3V ORANGE 1 GND BLACK 2 +5V RED 3 GND BLACK 4 +12V YELLOW 5

VoltageVoltage

Voltage

VoltageVoltage +12V YELLOW 1 +12V YELLOW 2 +12V YELLOW 3 GND BLACK 4 SENSE BLACK 5 GND BLACK 6

ColorColor

Color

ColorColor

Color

ColorColor

Color

ColorColor

PinPin

ASUS power supplyASUS power supply

ASUS power supply

ASUS power supplyASUS power supply

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Protection features

1.1.

Over-power protectionOver-power protection

Over-power protection

1.1.

Over-power protectionOver-power protection

English

The power supply shuts down and latches off when output power is within 120 ~ 150 percent of rated DC output.

2.2.

Over-voltage protectionOver-voltage protection

Over-voltage protection

2.2.

Over-voltage protectionOver-voltage protection No single point fault causes a sustained over-voltage condition on any or all

outputs. The power supply provides latch-mode over-voltage protection as defined in the following table.

OutputOutput

Output

OutputOutput

+12V1DC 13.4 15.0 15.6 Volts +12V2DC 13.4 15.0 15.6 Volts +5VDC 5.74 6.3 7.0 Volts +3.3VDC 3.76 4.2 4.3 Volts

3. Short-circuit protection3. Short-circuit protection

3. Short-circuit protection

3. Short-circuit protection3. Short-circuit protection

MinimumMinimum

Minimum

MinimumMinimum

NominalNominal

Nominal

NominalNominal

MaximumMaximum

Maximum

MaximumMaximum

UnitUnit

Unit

UnitUnit

The power supply can withstand a continuous short-circuit to the output without damaging or overstressing the unit. The power supply shuts down and latches off for shorting the +3.3V, +5V, +12V1, +12V2, or -12V rails to return. Shorts between main output rails and +5VSB do not cause any damage to the power supply.

4. Over-current protection4. Over-current protection

4. Over-current protection

4. Over-current protection4. Over-current protection Overload currents applied to each tested output rail will cause the output to trip

before reaching or exceeding 240 VA. For testing purposes, the overload currents should be ramped at a minimum rate of 10 A/s starting from full load.

Warning!

To reduce the risk of fire, electric shock, body injury, or damage to the power supply and/or your computer system, take the following safety precautions:

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Never open or dismantle the power supply!

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Do not remove the power supply while the system is on.

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Do not unplug the AC power cord while the system is on.

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Do not put the power supply where it can get wet.

Troubleshooting

If the power supply fails to function properly, do the following:

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Check if the AC power cord is plugged firmly.

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Check if the extension power cord is switched on.

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Check if the voltage switch is set to the appropriate position (115V or 230V).

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Check if the main power connector is firmly plugged into the socket.

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Disconnect the power cord to reset the power supply. Reconnect after 30 seconds or so.

For more information, visit the ASUS website at www.asus.com.For more information, visit the ASUS website at www.asus.com.

For more information, visit the ASUS website at www.asus.com.

For more information, visit the ASUS website at www.asus.com.For more information, visit the ASUS website at www.asus.com.

ASUS power supplyASUS power supply

ASUS power supply

ASUS power supplyASUS power supply