Power Connections and types Flashcards
How many pins are on a P1 power connector?
20- or 24 pins.
What are the types of power connectors for peripherals?
Molex, Mini and SATA power
What kind of power does a molex connector supply?
5V and 12V
What kind of power does a mini connector supply?
5V and 12V
What’s another name for the mini connector?
Floppy power connector
How many pins does a sata power connector have?
15 pins.
Which peripheral supports hot swapping?
SATA power connector.
What kind of power does the sata power connector provide?
3.3, 5 and 12V
What is the standard motherboard power connector in ATX?
a 20 pin P1 connector.
What was the first update to the ATX standard
ATX 12V 1.3
What did the ATX 12V 1.3 update introduce?
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
SATA power connectors also support what sized connectors?
most commonly the 15 pin, a slimline 6 pin and micro 9 pin variants also exist
What is the EPSI12V?
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
What are rails?
They are (Ideally) the three primary power supplies that split off the transformer: 3.3, 5 and 12V
What is the ATX12V 2.0?
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.
What is the mini-ATX and micro-ATX used for?
mini-ATX and micro-ATX cases, smaller form factor cases and PSUs
What is the TFX12V?
A small form factor PSU used for low profile ATX systems
What is SFX12V?
Small PSU optimized for systems using the flexATX case spec
What is Active PFC and what is it for?
Active power factor correction, used to dampen harmonics
What does a P4 power connector do?
provides extra 12V power to the MB
