Power Supplies, A way to remember voltages from AT / ATX power supplies Options

[thedevilwithin]

Here's a way to remember voltages from AT / ATX power supply units.

Remember the word BOWRBY (bow-re-bii), its an acronym for the coloured wires coming from the PSU.

Black _ 0v
Orange _ +3.3v
White _ -5v
Red _ +5v
Blue _ -12v
Yellow _ +12v

and just the few odd ones,

Grey _ Power_good (+5v)
Purple _ +5v Standby
Green _ PS_On (Power Supply on signal)

AT form factor uses two 6-pin connectors typically identified as P8 and P9, but may be identified as P1 and P2.

ATX uses one 20-pin connector.

[spy1954]

Nice notes on power supply voltages. First time I have seen an acronym for the power supply wires.

spy

[grmcalpin]

Here's a way to remember voltages from AT / ATX power supply units.

Remember the word BOWRBY (bow-re-bii), its an acronym for the coloured wires coming from the PSU.

Black _ 0v
Orange _ +3.3v
White _ -5v
Red _ +5v
Blue _ -12v
Yellow _ +12v

and just the few odd ones,

Grey _ Power_good (+5v)
Purple _ +5v Standby
Green _ PS_On (Power Supply on signal)

AT form factor uses two 6-pin connectors typically identified as P8 and P9, but may be identified as P1 and P2.

ATX uses one 20-pin connector.

Thanks for the help. I have really gotten some great stuff from you guys

[James]

Wonderful! Permanently linked to this from the memorization tips section at:
http://www.proprofs.com/certification/comp...als/index.shtml

[boffin]

Very good tip, thanks

[Heretic]

I didn't know that I had to know the colors of the power cords on the test. All of the practice exams I've taken, both from my book and this site, haven't mentioned the colors. Do they come up on the exam?

[J4M3Z]

I didn't know that I had to know the colors of the power cords on the test. All of the practice exams I've taken, both from my book and this site, haven't mentioned the colors. Do they come up on the exam?

I have seen it mentioned in 4 different books and it was thouroughly covered in my A+ core hardware college class. So I would assume it's on the test or could be. In my opinion, you should know them anyway in case you are testing PSU voltage with a multimeter.

Books were:
Sybex Complete Study guide
Sybex Fast Pass
The New A+ cert for Dummies book
CompTia's A+ guide to Hardware - by JEAN ANDREWS

And yes, I bought the dummies book. It covers the new exams and has 1100 pages.

[lhallman]

There were a few questions with the colors when I attempted the test a few weeks ago.

[nodekill]

thanks this will help alot.

[rfoulger]

Here's a way to remember voltages from AT / ATX power supply units.

Remember the word BOWRBY (bow-re-bii), its an acronym for the coloured wires coming from the PSU.

Black _ 0v
Orange _ +3.3v
White _ -5v
Red _ +5v
Blue _ -12v
Yellow _ +12v

and just the few odd ones,

Grey _ Power_good (+5v)
Purple _ +5v Standby
Green _ PS_On (Power Supply on signal)

AT form factor uses two 6-pin connectors typically identified as P8 and P9, but may be identified as P1 and P2.

ATX uses one 20-pin connector.

Thanks always had a problem with this one

[syedabbas]

hi folkes,

Thanks man......

I too had problem in memorizing this....

But now i finf it easy.....

[SuthernThang]

Thank you for the great tips....

[WaiWai]

Thanks for the info, like others, I did not get this from the books that I have used.

[tunjilly4real]

Here's a way to remember voltages from AT / ATX power supply units.

Remember the word BOWRBY (bow-re-bii), its an acronym for the coloured wires coming from the PSU.

Black _ 0v
Orange _ +3.3v
White _ -5v
Red _ +5v
Blue _ -12v
Yellow _ +12v

and just the few odd ones,

Grey _ Power_good (+5v)
Purple _ +5v Standby
Green _ PS_On (Power Supply on signal)

AT form factor uses two 6-pin connectors typically identified as P8 and P9, but may be identified as P1 and P2.

ATX uses one 20-pin connector.

u right man.

[aspartame]

BOWRBY .... awesome. When I first looked at it I thought there was no way it was going to work, but it then it just stuck... thanks!!!

[pcgeek]

,
Any of u already taken A+ Essentials(220-601) test already?
I hope that i can pass since
it going to be my turn 2 days later .
Anyway i thought the power supply voltage questions are all from the A+hardware Core(220-301).
Hope to hear an answer from you guys.
Can anyone really update me on the question so that i can know which question is CompTIA going to ask?
Ireally need u guys

[brotherbill]

i thought the power supply voltage questions are all from the A+hardware Core(220-301).

The objectives for the Essentials exam specifically state:

Identify the names, purposes and characteristics of power supplies, for example: AC adapter, ATX, proprietary, voltage

There's not that much to power supplies. Take a little time to research the material and you won't have to worry about specific questions.

[norman]

The objectives for the Essentials exam specifically state:
There's not that much to power supplies. Take a little time to research the material and you won't have to worry about specific questions.

this is how i remember it


D/ozen apes
F/ive
T/rees

[stamp11127]

Thanks for the info since I didn't know these.

[Guest_triz_*]

You do not need to know these, lol.