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what are the four parts of electricity:
Watts - work or amount of power - 250watts
Amps- Flow (will kill you) higher the amp rating the more dangerous
Volts- Pressue (USA uses 110-115v
Ohms- resistance (impedance)
Main Connectors
P8/P9- AT older no power switch on back
P1/P4- ATX has on/off switch can go into sleep mode
Install process for P8/P9
Must go into an AT socket which is a single row and black wires must face each other and chips face out
Install process for ATX and ATX 12v 2.0
Must go in ATX socket which is 20-24 pin double row
Goes only one way
Some PS also have added P4 12V 6pin AUX 3.3v and 5v and PCIe 6pin connectors
what does the mini (Berg) connector supply power to?
floppy drive
the Molex power connectors connects everything else or at least 15 devices name those:
1. CD ROM, R, RW
2. DVD ROM, HD, Blu Ray, R and RW
3. Super Drives
4. Hard Drive
5. Zip Drives
6. Internal hard drive
7. Tape drives
8.SCSI devices
9. Cooling Fans
10. Video Cards
what are 3 Wire colors and what do they represent
Yellow - +12V
Black- Ground
Red- +5V
describe the sata 15 pin connector
black long and flat connects SATA hard drives newer device
Name Trouble shooting steps for Power supply
1. Plugged In
2. Check Connection
3. Is it turned on
4. check AC outlet
5. check surge protector
6. check UPS
7. Check on/off switch on back of PC
8. check front panel connectors
9. check correct voltage
10. check motherboard power sockets
11. check for weird noises
12. check for dusty
13. check for erractic behavior and long shut downs
what are 3 devices to check power supply
multimeter, volt meter, or power tester
Author
shadrinaff
ID
8936
Card Set
Power Supply
Description
Power supply and connectors for PC A+ certs
Updated
2010-03-03T06:52:17Z
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