ATX AND MICROATX

Question 1

Form Factor MicroATX- Benefits of, how many pins

Answer 1

Reduces total cost of system
Reduces number of expansion slots
Reduces power supplied to motherboard
Smaller case size.
Less wires and connectors
Uses 24-pin connector

Question 2

ATX (Advanced Technology Extended)

Answer 2

Most common used form factor.
Open, nonproprietary industry specification
Originally developed by Intel.
Variety of power connectors

Question 3

ATX Power Connectors

Answer 3

4-pin Molex
8-pin Aux
4-pin Aux
6-pin PCle
8-pin PCle
SATA
Berg 
24-pin P1

Question 4

20-pin P1 connector

Answer 4

Main motherboard power connector used in early ATX systems.

Original P1 connector.

Question 5

24-pin P1 connector

Answer 5

20+4-pin
Main motherboard power connector used today.
4 pins can be removed to fit into a 20-pin P1 motherboard connector.
Extra 4 pins provide +12V, +5V, and +3.3V

Question 6

4-pin 12-V connector

Answer 6

Called ATX12V power supply.
Auxiliary motherboard connector.
Used for extra 12-V power to processor.

Question 7

8-pin 12-V connector

Answer 7

Auxiliary motherboard connector.
Used for extra 12-V power to processor.
Provides more power than the older 4-pin auxiliary connector.

Question 8

Molex Connector

Answer 8

4-pins
Used for older IDE drives, some newer SATA drives, and provides extra power to video cards.
Can provide +5V and +12V to device.

Question 9

SATA power connector

Answer 9

15-pin
Used for SATA (Serial ATA) drives
Can provide +3.3V, +5V, and +12V.
+3.3V is seldom used.

Question 10

PCIe 6-pin

Answer 10

Provides extra +12 for high-end video cards using PCI Express

Question 11

PCIe 8-pin connector

Answer 11

Provides an extra +12V for high-end video cards using PCI Express.

Question 12

PCIe 6/8-pin connector

Answer 12

Used for high-end video cards using PCIe x16 slots to provide extra voltage
Accommodates a 6-hole or 8-hole port
To get 8-pin connector, combine 6-pin and 2-pin connectors.