-
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
|
|
