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Chapter 8 Power Supplies

Chapter 8 Power Supplies - b EPS 12v power supply came with...

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Chapter 8 Power Supplies I. Volts a. Pressure of electrons in the wire is called voltage II. Amperage a. Amount of electrons moving past a certain point i. Or current b. Watts = V x A III. Continuity a. Test whether the electrons can flow from 1 end of the wire to the other end IV. Volt-amps a. Amount of power the UPS could supply to the computer V. ATX 12 1.3 a. 4-pin motherboard connector i. Unofficially called P-14 b. Introduced a 6-pin auxiliary connector (AUX) Connector c. Motherboards using AMD needed AUX d. Intel Needed only P-4 VI. EPS 12V a. Server System Infrastructure (SSI) b. EPS 12v power supply came with a 24- pin motherboard connector
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Unformatted text preview: b. EPS 12v power supply came with a 24- pin motherboard connector c. Not interchangeable with ATX 12V power supplies VII. Rails a. From the transformer the voltages are split from 3.3V to 5.0V to 12.0V VIII. ATX 12V 2.0 a. 24-pin connector b. ATX 12V 2.0 PSU have a convertible 20-24-pin connector i. Can plug 20-pin connector in a 24 pin motherboard’ IX. Active PFC (power factor correction) a. Circuitry that smoothes out the way of the power supply b. Eliminates Harmonics c. Harmonics i. Create humming sounds heard from electronics...
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