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Thread: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?




  1. #1
    havasuphto is offline Junior Member
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    Default Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    I am planning on possibly using 2 AMD 7970(3gb vram) video cards in Crossfire on my Asrock Z77 OC Formula motherboard. I have a Thermaltake Smart M1000(1000 watt-bronze 80) power supply, which has sufficient power/plugs.
    My question is this; Item#39 on my motherboard is labeled "SLI/XFIRE _PWR1". How does the cover on this plug come off? Does it have retaining clip, or do I just pull the cover straight off.
    Next question is; in the owner's manual, page 42, it says-SLX-XFIRE Power Connector(4-pin SLI/XFIRE_PWR1); "It is not necessary to use this connector, but please connect it with a hard disk power connector when two graphics cards are plugged to this motherboard".

    So, the obvious question is; do I need to plug in a hard drive power connector to this plug, when using 2 cards in X-fire, or not? This manual is so ambivalent and confusing.

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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    Mine didn't have a cover. it's a male 4 pin connector on it's side. you plug it in from the "bottom side"
    Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?-ocz77-png
    I interpret the manual to mean it's not required *unless* you are using 2 video cards in crossfire/slx.

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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    From just now browsing pics on the 'net if you look at the SLI/XFIRE_PWR1 connector from the bottom up you'll find there is no cover.

    Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?-sli-xfire_pwr1-jpg

    You'll notice the 4 pins of the molex just visible in the above pic.

    As to connect it or not:

    From > AnandTech - ASRock Z77 OC Formula Review: Living In The Fast Lane
    Code:
    The 4-pin molex on board for additional PCIe power is not really needed unless you are pushing for competitive overclocks, but I still had to use it to get dual 580s running with a stock system.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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    synack's Avatar
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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    Quote Originally Posted by - wardog - View Post
    From just now browsing pics on the 'net if you look at the SLI/XFIRE_PWR1 connector from the bottom up you'll find there is no cover.

    Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?-sli-xfire_pwr1-jpg

    You'll notice the 4 pins of the molex just visible in the above pic.

    As to connect it or not:

    From > AnandTech - ASRock Z77 OC Formula Review: Living In The Fast Lane
    Code:
    The 4-pin molex on board for additional PCIe power is not really needed unless you are pushing for competitive overclocks, but I still had to use it to get dual 580s running with a stock system.

    Neener.. I JUST beat you :P

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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    synack for the win!
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    Quote Originally Posted by synack View Post
    Neener.. I JUST beat you :P
    Teach me to waste valuable seconds enlarging the pic!

    Next time synack. Next time.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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    havasuphto is offline Junior Member
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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    Thanks all-I see that you plug in the four pin from the bottom, and use it for dual cards-thanks. Could they have put that plug just a little closer to a bottom mounted power supply?? And why bottom up? Why not just straight in? Oh well.....thanks again guys.

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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    Quote Originally Posted by havasuphto View Post
    Could they have put that plug just a little closer to a bottom mounted power supply??
    Can't please everyone all the time :)

    When they're placed in the middle of the board those who are anal with neat wiring whine because they have to drag a wiring harness across the board to clutter an otherwise neat appearance.

    Agreed. It would be a tight fit here too. Neat though.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

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    synack's Avatar
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    Default Re: Asrock Z77 OC Formula X-fire plug on motherboard-do you use it?

    The form factor really calls for a pretty big case. so that little bit of extra space required between the board and power supply isn't that big of a deal. not in my massive 810 anyway.

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