A technician is preparing specs for several custom PC builds requiring specific motherboar… — CompTIA A+ (Core 1 & Core 2)

A technician is preparing specs for several custom PC builds requiring specific motherboard form factors and power configurations. Match each motherboard form factor or connector on the left with its corresponding physical dimension or functional specification on the right.

ATX Form FactorMeasures 12 × 9.6 inches ( $305 \times 244$ mm) and supports up to 7 expansion slots.
Micro-ATX Form FactorMeasures 9.6 × 9.6 inches ( $244 \times 244$ mm) and supports up to 4 expansion slots.
Mini-ITX Form FactorMeasures 6.7 × 6.7 inches ( $170 \times 170$ mm) and supports 1 expansion slot.
24-pin P1 ConnectorProvides main $+3.3\text{V}$ , $+5\text{V}$ , and $\pm 12\text{V}$ power directly to the motherboard.

Cevap

ATX Form Factor matches 12 × 9.6 inches (up to 7 expansion slots); Micro-ATX Form Factor matches 9.6 × 9.6 inches (up to 4 expansion slots); Mini-ITX Form Factor matches 6.7 × 6.7 inches (1 expansion slot); 24-pin P1 Connector matches providing main

+3.3\text{V}

+5\text{V}

, and

\pm 12\text{V}

power to the motherboard.

Each motherboard specification correctly pairs with its official dimension/expansion standard or electrical power delivery role: ATX (

12 \times 9.6

in, 7 slots), Micro-ATX (

9.6 \times 9.6

in, 4 slots), Mini-ITX (

6.7 \times 6.7

in, 1 slot), and 24-pin P1 (primary DC voltages to system board).

Adım Adım Çözüm

Identify the standard dimensions and expansion slot limits for common motherboard form factors.

ATX is standard full-size (

12 \times 9.6

in, 7 slots), Micro-ATX is square (

9.6 \times 9.6

in, 4 slots), and Mini-ITX is small form factor (

6.7 \times 6.7

in, 1 slot).

CompTIA A+ objectives require memorization of dimensions and expansion limits for ATX family form factors.

Identify the main power connector specification.

The 24-pin P1 ATX connector supplies primary motherboard voltages (

+3.3\text{V}

+5\text{V}

\pm 12\text{V}

Differentiates primary system board power delivery from auxiliary CPU (EPS12V) and GPU (PCIe) power connectors.

Anahtar Kavram

Motherboard Form Factors, Dimensions, and Power Connectors

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