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GA G1 Sniper 3 not detecting 4th video card

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July 14, 2012 11:16:36 AM

I have a Gigabyte G1 Sniper 3, i7 2600k, 16gb ram, and 4 GTX680 installed. Windows device manager only shows 3 GTX 680 and I am trying to make 4way-SLI.

The 4th video card is at the bottom of the mobo, and I can see the video card fan spinning when the computer is powered on. I had also tested the video card on a different slot and it is confirmed working.

Can someone help me with this? thanks.

a c 137 V Motherboard
a b U Graphics card
July 14, 2012 6:59:57 PM



I think it might, actually. If you look on this page http://www.gigabyte.com/microsite/306/images/model.html and go down to the G1. Sniper 3 it DOES actually say that it supports 4-Way SLI.

Quote:
Features & Software

3D Power, 3D BIOS,
Gen. 3 support, Ultra Durable 4,
EZ Smart Response,
Onboard OC buttons,
Creative Sound Core 3D, mSATA,
4 way SLI, 4 way CrossFireX, SLI,
On/off charge, Lucid MVP,
All Japanese Solid capacitors,
WiFi+Bluetooth 4.0, LAN Optimizer


Also, if you look further down the page that you linked, they confirm that.
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a b V Motherboard
a c 87 U Graphics card
July 14, 2012 7:09:18 PM

DJDeCiBeL said:
I think it might, actually. If you look on this page http://www.gigabyte.com/microsite/306/images/model.html and go down to the G1. Sniper 3 it DOES actually say that it supports 4-Way SLI.

Quote:
Features & Software

3D Power, 3D BIOS,
Gen. 3 support, Ultra Durable 4,
EZ Smart Response,
Onboard OC buttons,
Creative Sound Core 3D, mSATA,
4 way SLI, 4 way CrossFireX, SLI,
On/off charge, Lucid MVP,
All Japanese Solid capacitors,
WiFi+Bluetooth 4.0, LAN Optimizer


Also, if you look further down the page that you linked, they confirm that.


Yes, but is it four-way with two dual-GPU cards? Most boards that say that they support 4-way SLI or Quad SLI actually only support it through two dual-GPU cards such as the GTX 590 and the GTX 690.
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a c 137 V Motherboard
a b U Graphics card
July 14, 2012 7:12:25 PM

blazorthon said:
Yes, but is it four-way with two dual-GPU cards?


THAT's a good question, BUT, it should theoretically support true 4-Way SLI because the slots are x16, x16, x8, x8.

I wish board manufactures would make that distinction. Also, a lot of boards that say that only have 2 x16 slots capable of x8 or better. The G1. Sniper 3 has 4 such slots.

This too.

Quote:
The Gigabyte program manager confirmed to Sin that it is 4-way SLI compatible just like the other PLX chip Z77 boards. Nothing in writing yet that I know of but the Gigabyte site is suppose to be updated reflecting the new information soon.
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a c 216 V Motherboard
a c 542 U Graphics card
July 14, 2012 7:14:48 PM

blazorthon said:
http://www.overclock.net/t/1227176/softpedia-gigabyte-g...

This board seems to only support up to three Nvidia graphics cards at once and four graphics card support requires AMD cards.

Why is there a 4-Way SLI bridge connector included with the motherboard if it's not supported?

The PLX Technology PEX 8747 PCIe 48-lane switch chip on the motherboard is what allows it to be supported. Each of the four PCIe x16 slots would be operating in x8 mode.
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a b V Motherboard
a c 87 U Graphics card
July 14, 2012 7:19:30 PM

ko888 said:
Why is there a 4-Way SLI bridge connector included with the motherboard if it's not supported?

The PLX Technology PEX 8747 PCIe 48-lane switch chip on the motherboard is what allows it to be supported. Each of the four PCIe x16 slots would be operating in x8 mode.


Maybe the original BIOS didn't support four Nvidia cards, but a newer version does. OP, try updating your BIOS. Also, make sure that you have the latest drivers. That might solve this issue.
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a b V Motherboard
a c 87 U Graphics card
July 14, 2012 7:29:12 PM

Having read into it a little more OP, did you make sure that you plugged in a SATA power connector to the slot right next to the 24 pin power connector and that your PSU has enough wattage for four GTX 680s? You'd best have, at the very least, a 1KW PSU... I'd recommend more like a 1.2KW PSU at a minimum. If you're running out of power, then the last GTX 680 might not be getting enough power to work properly. The fan should work even if it gets almost no power because it doesn't need nearly as much as the GPU and memory do.
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July 14, 2012 8:49:46 PM

blazorthon said:
Having read into it a little more OP, did you make sure that you plugged in a SATA power connector to the slot right next to the 24 pin power connector and that your PSU has enough wattage for four GTX 680s? You'd best have, at the very least, a 1KW PSU... I'd recommend more like a 1.2KW PSU at a minimum. If you're running out of power, then the last GTX 680 might not be getting enough power to work properly. The fan should work even if it gets almost no power because it doesn't need nearly as much as the GPU and memory do.



i had already updated my bios to f5 version. and still no show on windows device manager.

i have 1.2kw psu already and every card is powered.
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a c 216 V Motherboard
a c 542 U Graphics card
July 14, 2012 9:00:29 PM

unlockingsky said:
i had already updated my bios to f5 version. and still no show on windows device manager.

i have 1.2kw psu already and every card is powered.

But did you connect a SATA power connector from the power supply unit to the motherboard's ATX4P power connector?

The graphics cards also draw some of their power from the +3.3V and +12V power lines in the PCIe x16 Slot. The ATX4P connector on the motherboard is suppose to supply the extra power to the PCIe bus as required when you are using more than two graphics cards.
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July 14, 2012 9:07:42 PM

ko888 said:
But did you connect a SATA power connector from the power supply unit to the motherboard's ATX4P power connector?

The graphics cards also draw some of their power from the +3.3V and +12V power lines in the PCIe x16 Slot. The ATX4P connector on the motherboard is suppose to supply the extra power to the PCIe bus as required when you are using more than two graphics cards.


are you telling me that there is a sata connector on the video card? i have 2x 6pin connected to the video card. if there is a sata connector on the video card, please post screenshots.
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a c 216 V Motherboard
a c 542 U Graphics card
July 14, 2012 9:13:23 PM

unlockingsky said:
are you telling me that there is a sata connector on the video card? i have 2x 6pin connected to the video card. if there is a sata connector on the video card, please post screenshots.

I said that the ATX4P connector is on the motherboard. It's right beside the white SATA3 ports.
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July 14, 2012 9:16:34 PM

i apologize for my previous post... i do see a atx4p according to my motherboard diagram... and i do not have it connected.
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July 14, 2012 9:18:50 PM

F**** page 19 of the manual shows atx4p needed "in fine prints".... now i need to open my case again... :fou:  :fou:  :fou:  :fou: 
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July 14, 2012 9:52:52 PM

i just connected it and device manager still doesnt show it. =(
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a b V Motherboard
a c 87 U Graphics card
July 14, 2012 10:18:15 PM

You didn't say that you made sure that you have the latest drivers yet.
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July 14, 2012 10:34:09 PM

i got it... it was the atx4p that i didn't connect... after a couple reboots and visiting the bios, it finally shows up in windows device manager... i still don't know exactly what cause the delay. but i am a happy fellow now.
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a b V Motherboard
a c 87 U Graphics card
July 14, 2012 10:38:51 PM

unlockingsky said:
i got it... it was the atx4p that i didn't connect... after a couple reboots and visiting the bios, it finally shows up in windows device manager... i still don't know exactly what cause the delay. but i am a happy fellow now.


All right then, I guess that's case closed for now if you've already done an SLI test. Feel free to check back in if there are more problems later on ;) 
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July 14, 2012 10:52:38 PM

Best answer selected by unlockingsky.
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July 14, 2012 10:55:29 PM

blazorthon said:
All right then, I guess that's case closed for now if you've already done an SLI test. Feel free to check back in if there are more problems later on ;) 


hell no more problem... 2sli and 3sli was a easy experience... but 4way sli was a learning curve because of the atx4p. i spent a total of 4 days getting 4way sli to work. on the other part. i will now try to find ways to enhance my case cooling. i have a azza hurriane 2000
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a c 328 V Motherboard
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July 15, 2012 1:24:53 AM

This topic has been closed by Nikorr
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