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1.2 Motherboard Components > Power Connections and types > Flashcards

Power Connections and types Flashcards

1
Q

How many pins are on a P1 power connector?

A

20- or 24 pins.

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2
Q

What are the types of power connectors for peripherals?

A

Molex, Mini and SATA power

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3
Q

What kind of power does a molex connector supply?

A

5V and 12V

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4
Q

What kind of power does a mini connector supply?

A

5V and 12V

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5
Q

What’s another name for the mini connector?

A

Floppy power connector

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6
Q

How many pins does a sata power connector have?

A

15 pins.

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7
Q

Which peripheral supports hot swapping?

A

SATA power connector.

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8
Q

What kind of power does the sata power connector provide?

A

3.3, 5 and 12V

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9
Q

What is the standard motherboard power connector in ATX?

A

a 20 pin P1 connector.

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10
Q

What was the first update to the ATX standard

A

ATX 12V 1.3

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11
Q

What did the ATX 12V 1.3 update introduce?

A

an additional 4 pin power connector commonly known as a P4 and a 6 pin auxiliary connector commonly known as AUX to provide additional 3.3 and 5V power to the MB

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12
Q

SATA power connectors also support what sized connectors?

A

most commonly the 15 pin, a slimline 6 pin and micro 9 pin variants also exist

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13
Q

What is the EPSI12V?

A

a SSI developed PSU standard designed for servers. It had its own 24 pin main MB power, an AUX connector, a ATX12V P4, and a unique 8 pin connector as well as the concept of rails

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14
Q

What are rails?

A

They are (Ideally) the three primary power supplies that split off the transformer: 3.3, 5 and 12V

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15
Q

What is the ATX12V 2.0?

A

Update to the ATX12V standard. Incorporated the 24 pin main P1 connector. 8 pin CPU power connector know as EPS12V, EATX12V and ATX12V 2x4, half of which is compatible with the P4, and the 6 or 8 pin PCIe power connector.

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16
Q

What is the mini-ATX and micro-ATX used for?

A

mini-ATX and micro-ATX cases, smaller form factor cases and PSUs

17
Q

What is the TFX12V?

A

A small form factor PSU used for low profile ATX systems

18
Q

What is SFX12V?

A

Small PSU optimized for systems using the flexATX case spec

19
Q

What is Active PFC and what is it for?

A

Active power factor correction, used to dampen harmonics

20
Q

What does a P4 power connector do?

A

provides extra 12V power to the MB

1.2 Motherboard Components (6 decks)

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