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Antec TruePower 550watt Power Supply Review

By: Asher Moses | Other PSUs in Cases, Cooling & PSU | Posted: Jul 10, 2002 4:00 am
TweakTown Rating: 9.5%Manufacturer: Antec

Specifications

 

ATX 12v, 2.03 compliant.

 

Can be used with either Pentium 4 or AMD motherboards.

 

Dual ball bearing, thermostatic fans with speed controllers to regulate temperature inside the power supply.

 

Individual voltage outputs and regulation for stable +5v, +3.3v, +12v outputs.

 

Gold plated connectors.

 

MTBF 80,000 hours.

 

Input Voltage: 115v / 230v AC manually switched.

 

Frequency: 60Hz / 50 Hz.

 

Input current: 12A for 115v, 6A for 230v.

 

- Output Voltage

 

+5v at 40 amps

 

+12v at 24 amps

 

+3.3v at 32 amps

 

-5v at 0.5 amp

 

-12v at 1 amp

 

+5v SB at 2 amp

 

- Motherboard Connectors

 

20-pin Main Power Connector

 

6-pin Aux Power Connector

 

4-pin +12v Power Connector (Provide for the extra power needs of Pentium 4 CPUs).

 

- Peripheral Connectors

 

8x 4-pin peripheral connectors

 

2x 4-pin floppy drive connectors

 

2x 2-pin Case fan connectors for controlling 2 case fans for optimum balance between cooling and low noise.

 

- Power_On Signal

 

In the ATX Power Supply, this signal supports the ability to power the system down with software. Windows will automatically shut down the computer, rather than display a message that it is safe to shut down the computer. This also allows the optional use of the keyboard to power the system back on.

 

- +5v_SB (standby) Signal

 

This voltage is always active, giving the motherboard a limited source of power, even when the computer is switched off (case switch).

 

- +5v Power_Good (OK) Signal

 

This is generated in the power supply (+3v to +6v) when it has passed its self-tests and the outputs have stabilised - This takes 100 to 500 milliseconds after the supply is turned on. If the Power_Good signal drops below +3v, it causes the motherboard to issue a systems reset signal and shuts off the CPU clock. The effect of this repeated reset signal stops the computer from operating.

 

- -5v and -12v Voltage Output

 

The -5v and -12v voltages are not used at all in many modern systems, although they are still required for backward compatibility.

 

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