Cooling and Power Flashcards
● OBJ 3.4: Given a scenario, install and configure motherboards, central processing units (CPUs), and add-on cards ● OBJ 3.5: Given a scenario, install or replace the appropriate power supply
Heat from different components inside the computer
Thermal load
Type of cooling that doesn’t rely on moving parts or power
Passive cooling
Finned metal device that radiates heat away from the processor
Heat sink
Compound that ensures heat transfer by eliminating air gaps
Thermal Paste
Uses a fan to cool down the heat from the device
Active cooling
type of cooling used in high performance systems
Liquid Cooling
Cooling of a single component
Closed loop system
Liquid cooling-based system of different components
Open loop system
Cycled between positives and negatives repeatedly
Alternating current (AC)
The main purpose of power supply is to deliver ______ to all components inside the PC when receiving an AC power supply
DC
Allows to unhook the connectors and detach from the unit
▪ frees up space inside of the computer
Modular PSU / Modular Power Supply Unit
Provides power to the motherboard
Main Board / Motherboard Adapter
20-pin connector
ATX Standard
24-pin connector
ATX 12V
Two connectors are coupled together before plugging into
a 24-pin connector
20+4 Pin
Has a four, six, or eight-pin connector
Processor Power/ CPU Power
Used for IDE and PATA hard disks, CDs, and DVD drives
Molex Connector
One connector that can support multiple devices
Y Connector
US-based power supply
120V AC (Low Line Power)
Europe and Asia power supply
230V AC (High Line Power)
Detects the outlet and converts it into the voltage of DC
Voltage Sensing / Dual Voltage Power Supplies
Wire that provides current at a particular voltage
Rail
Cable or wire that provides 12 VDC
o most used voltage in the PC
12 VDC Rail
Power supply’s output capacity or capability
▪ The devices inside a computer require power from a power supply
Wattage Rating
