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Author Topic: What type of wiring am I?  (Read 1268 times)

Offline cav58d

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What type of wiring am I?
« on: February 16, 2017, 09:46:17 AM »
Trying to make sense of what lose wires I have remaining in my computer.  The 6 prong blue is obviously PCI Express.  Trying to identify the 2 prong blue, Large 4 prong black (Molex?) small 4 prong black, and then in the second pic the large black.  Is that SATA?

Also, what would you call all this stuff?  Wiring bundle?  This is all standard off a power supply?

Thanks for the education!

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« Last Edit: February 16, 2017, 09:49:14 AM by cav58d »
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Offline Skuzzy

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Re: What type of wiring am I?
« Reply #1 on: February 16, 2017, 09:57:54 AM »
That blue one, with the additional 2 pins is usually ear marked for the motherboard.  Some motherboards need 6 some need 8 pins.  There can be two sets of these types of connections on a motherboard (one right next to the main plug, and another near the external connections/CPU: this latter one can be 2 to 8 pins).  It will depend on the design/layout of the motherboard if they are all needed or not.

The small 4 pin connector is usually for a fan.

The Molex connectors are legacy connectors for fans, and other peripherals (floppy drives, CD/DVD drives...).
« Last Edit: February 16, 2017, 10:00:13 AM by Skuzzy »
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Offline Drano

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Re: What type of wiring am I?
« Reply #2 on: February 16, 2017, 10:24:06 AM »
That blue one marked pci-e is for a video card. I have a modular PSU and all of the pci-e cables are set up like that for whether you have a 6 pin or 8 pin power input on your video card. For example recently going from my dual 6 pin 6950 card to my new single 8 pin 1060 all I had to do was remove one of the cables and bundle the 8 pins on that connector and plug them in. They only go in one way as they're keyed to prevent putting them in wrong.

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Offline Drano

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Re: What type of wiring am I?
« Reply #3 on: February 16, 2017, 10:26:39 AM »
The flat one with a notch at one end is SATA power (for a SATA drive)

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Offline Skuzzy

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Re: What type of wiring am I?
« Reply #4 on: February 16, 2017, 10:28:10 AM »
Oops, missed the second pic.  Thanks guys.
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Offline cav58d

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Re: What type of wiring am I?
« Reply #5 on: February 16, 2017, 10:37:40 AM »
Thanks guys!

So if I want to install another SSD it looks like I have the about to do so wiring wise.  SATA + data which would then plug into the open SATA express port I have?

How would I go about hooking a case Fan up to PSU?  I am out of fan headers on mobo.  I've read about connecting to molex, but if the Fan is four prong could I just hook up to the small black from pic 1?  When hooked up to PSU fan will run constantly at max RPM, right?

Thanks
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Offline Drano

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Re: What type of wiring am I?
« Reply #6 on: February 16, 2017, 11:20:44 AM »
Ok the SATA drive has the data cable that goes to the SATA port on the mobo. That flat connector with the notch at one end is the power connection for it. The notch is a key so that you can only put it on one way. Hopefully it'll reach. If not they make molex adapters for it and for the fans as well.


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Offline Drano

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Re: What type of wiring am I?
« Reply #7 on: February 16, 2017, 11:24:20 AM »
The fan would only run at full speed yes. On my case I have several fans so I have a 6 channel fan controller so I can vary the speeds manually.


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Offline Easyscor

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Re: What type of wiring am I?
« Reply #8 on: February 16, 2017, 02:31:52 PM »
I'd never contradict Skuzzy so this is an addition only.  :bolt:

Isn't that small 4 pin connector a legacy plug for an old 3-1/2" floppy drive?

The large 4 pin connectors in the top picture have become general purpose power tap for fans and legacy ATA hard drives. Some CD/DVD drives still require them. All of them only plug into proper receptacles.
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Offline Easyscor

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Re: What type of wiring am I?
« Reply #9 on: February 16, 2017, 02:38:26 PM »
Quote from: cav58d on February 16, 2017, 10:37:40 AM
How would I go about hooking a case Fan up to PSU?  I am out of fan headers on mobo.  I've read about connecting to molex, but if the Fan is four prong could I just hook up to the small black from pic 1?  When hooked up to PSU fan will run constantly at max RPM, right?
Thanks

Many case fans come with two speed switches. I've seen after market switches at the Fry's but idk if they still them.
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Offline Skuzzy

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Re: What type of wiring am I?
« Reply #10 on: February 16, 2017, 03:42:33 PM »
Quote from: Easyscor on February 16, 2017, 02:31:52 PM
I'd never contradict Skuzzy so this is an addition only.  :bolt:

Isn't that small 4 pin connector a legacy plug for an old 3-1/2" floppy drive?

The large 4 pin connectors in the top picture have become general purpose power tap for fans and legacy ATA hard drives. Some CD/DVD drives still require them. All of them only plug into proper receptacles.

You could be right.  It has been a while since i dealt with those old legacy plugs.

Never be concerned for calling me out when I make an error.  It is more important people get accurate information.
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Offline cav58d

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Re: What type of wiring am I?
« Reply #11 on: February 16, 2017, 07:05:33 PM »
Dummy question, but since I bought a pre-built I didn't spec anything out.  Typically do you get to choose what type of plugs/wires you get?  Is this something that comes standard with a PSU?
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Offline Drano

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Re: What type of wiring am I?
« Reply #12 on: February 16, 2017, 07:24:08 PM »
If you get what's called a modular power supply it won't have that octopus sticking out. You'll get a bunch of plugs so that you only use what you need for your setup. They're nice for making a clean looking box. Problem you may have is depending on the motherboard you have since it's a pre built it may have a non standard plug on it. Or not.

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Offline ToeTag

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Re: What type of wiring am I?
« Reply #13 on: February 16, 2017, 10:15:04 PM »
You guys are so techy..according to the op thread title....the plugs both blue and black regardless of pin count are for things you do not have. Done! :bolt:
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Offline AKIron

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Re: What type of wiring am I?
« Reply #14 on: February 16, 2017, 10:40:28 PM »
Be careful not to cross the streams.
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