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Trouble building (connecting)


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#1 Zinus

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Posted 29 January 2011 - 02:36 PM

I bought a roswill Thor case and a gygabyte p67 motherboard; I have a lot of cables that I do not understand. I have looked through both manuals and neither says much about them, they control the buttons on the front of the case is all I really know.

Here is a list of their labels:
FAN A1
FAN A2
FAN A3
FAN B1
FAN B2
FAN B3
VCC/USB-/USB+/GND
as well as two cords that have no label but are engraved with "TKG"

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#2 Zinus

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Posted 29 January 2011 - 04:25 PM

Found out that the FAN connectors were for the fan speed controllers on the front; however, I can not find a slot on my motherboard for them. Am I to assume this means that it is unable to use this feature of my case?

Also have a question about the PWR_FAN pins, is this supposed to be some sort of power supply point for the fans or just a place for the fans to connect?

#3 MrBruce1959

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Posted 29 January 2011 - 05:09 PM

Hello and welcome to Bleepingcomputer.

I am going to link you to the GigaByte support web site for your computer.

http://www.gigabyte.bz/products/product-page.aspx?pid=3648&dl=1#ov

I am providing a link to a PDF version of your motherboard owners manual, you can save this to your desktop once it is fully downloaded.

http://download.gigabyte.us/FileList/Manual/mb_manual_ga-p67a-ud4_e.pdf


The connectors you mentioned above I would assume are part of the PSU wiring and these are connectors for powering up various case fans which require a direct connection to the PSU rather than the motherboard.

I have a link for you which should help you out a bit with connectors found on PSU and what they are for.

http://www.playtool.com/pages/psuconnectors/connectors.html


Please let me know if this has cleared up the mystery for you.


As for the VCC/USB-/USB+/GND connector, is this one coming from the PSU or are you referring to a connector on the motherboard?

The VCC/USB-/USB+/GND is USB power related, VCC is system MAIN Positive (+) from power supply, USB- is Negative power supply. USB+ is positive (+) from power supply. GND is system or chassis ground.

I know those sound confusing, but VCC is a special symbol for the positive phase that is coming directly from a power supply down-step transformer.

Beyond that, it might get to technical if you do not have a basic understanding of electronics theory.

Bruce.


Note: I tried to reply but they moved your topic to another forum section before I could hit the send button.

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#4 Zinus

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Posted 29 January 2011 - 05:32 PM

The VCC/USB-/USB+/GND is a single cable that is coming from the case itself; it is not a slot on the motherboard nor on my PSU. I can not find out where this is supposed to go from any of my owners manuals nor the web.

Edit: your correct the FAN A1-B3 are for manual control over the fan speed via a nob on the front of the case; however, there is not a slot on my motherboard that will take the male connector.

Edited by Zinus, 29 January 2011 - 05:40 PM.


#5 Baltboy

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Posted 29 January 2011 - 10:58 PM

The vcc/usb/gnd cabling should be the hook up for one of the two different usb ports on the front of the case. The case has both USB 2.0 and USB 3.0 on the front of the case there should be a cable for each since the connector is different. According to what you are saying it is most likely the USB 2.0. Look on page 28 of your manual. VCC is the Power (5v), Gnd is ground, and the usb+/- go in the respective places. There should be three of everything because you have three front mounted ports on the case. Each USB header supports two ports so you will only be using half of one of the headers.

Typically the fan speed controls have one or two Molex connections on the back of the controller that powers the fans you connect to it. Peek up there with a flashlight to look for some connectors on the back or underside.
Get your facts first, then you can distort them as you please.
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#6 Zinus

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Posted 30 January 2011 - 12:59 AM

The vcc/usb/gnd cabling should be the hook up for one of the two different usb ports on the front of the case. The case has both USB 2.0 and USB 3.0 on the front of the case there should be a cable for each since the connector is different. According to what you are saying it is most likely the USB 2.0. Look on page 28 of your manual. VCC is the Power (5v), Gnd is ground, and the usb+/- go in the respective places. There should be three of everything because you have three front mounted ports on the case. Each USB header supports two ports so you will only be using half of one of the headers.

Typically the fan speed controls have one or two Molex connections on the back of the controller that powers the fans you connect to it. Peek up there with a flashlight to look for some connectors on the back or underside.



All three F_USBs on the Motherboard are 9 pronged males (4 on top row 5 on bottom)and the connector running from my case is a 4 pronged female(VCC/USB/GND). I am not sure how I should be placing it, espically since it doesn't even look like it should be put there. Also there is only one VCC/USB/GND cable, and only one USB cable that I already have pluged into F_USB1.

You may have to rephrase that second bit, it didn't make any sense to me at all.

Edited by Zinus, 30 January 2011 - 01:00 AM.


#7 dpunisher

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Posted 30 January 2011 - 02:02 AM

First, none of the fan power (apart from the CPU fan) comes from the motherboard. The fan controller pulls juice from the power supply directly. Never run any case fan from the motherboard unless you have to.

All USB connectors are 4 wires per port. Each connector on the motherboard is able to have 2 ports/connector. Not to be rude, but you have a manual that came with the motherboard and all pins are labelled. It's not that big a deal. Your case's USB connector is marked (or should be), your owners manual has a pin diagram, that's it.

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#8 Zinus

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Posted 30 January 2011 - 02:05 PM

Yeah I figured out that you plug FAN A1-B3 into the actual fan and the unmarked plugs were power for the fans. I also found out where the VCC/USB/GND wire went; thanks for attempting to help guys.

P.S. The manual didn't make any sense the diagram didn't label the pins it just had two numbers beside it like I am supposed to know what the heck that means. Also even if I did know it had multiple pins labeled with the same thing with DX and DY infront of them, again how am I supposed to know... sorry just kinda stupid that they couldn't make it easier. (I blaim the Thor manual, not my giga)

#9 tg1911

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Posted 30 January 2011 - 03:48 PM

Yeah, Rosewell is usually lacking clear instruction in their manuals.
I've experienced the same with some of their products.
MOBO: GIGABYTE GA-MA790X-UD4P, CPU: Phenom II X4 955 Deneb BE, HS/F: CoolerMaster V8, RAM: 2 x 1G Kingston HyperX DDR2 800, VGA: ECS GeForce Black GTX 560, PSU: Antec TruePower Modular 750W, Soundcard: Asus Xonar D1, Case: CoolerMaster COSMOS 1000, Storage: Internal - 2 x Seagate 250GB SATA, 2 x WD 1TB SATA; External - Seagate 500GB USB, WD 640GB eSATA, 3 x WD 1TB eSATA

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#10 dpunisher

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Posted 30 January 2011 - 04:00 PM

Yeah, Rosewell is usually lacking clear instruction in their manuals.
I've experienced the same with some of their products.

They aren't the only ones sadly.

I have a no name case here that was built in the early days of USB when the pin layouts weren't standardized. Each case USB connector wire has a tiny single pin connector with really bad printing on it. I admit there is no way I could even see to build it again the way my eyes have aged in the last ten years.

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#11 Zinus

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Posted 30 January 2011 - 06:28 PM

Next is BIOS... yay...




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