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[Official] MSI Z77A Owners/Discussion/Information/Support Thread and Club (GD65, GD55, G45, ...) - Page 54

post #531 of 696
Strange situation with the network on my Z774-G43. When I wake up my PC from sleep mode I can't detect other computers on the network nor can the other computers detect this one. I can still access the internet so the network is still working. Once I disable and then re-enable the network everything returns to normal. Very odd.
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post #532 of 696
I recently got my hands on a z77a GD65 on ebay for 80 bucks. The condition was unknown other then a psu tested on it. The guy didn't have a chip. Anyway, he offered a refund if it didnt work so i tried and so far its been flawless. I have an i5 3570k @ 4.5ghz w/ 1.26vcore. I love my new build. However I also got my hands on my friends 3 GTX 280s. I found out the third slot only runs PCIe3.0 so can't run 3 of those. As of right now though, i can't even run two. Does anybody know if these cards are not compatible for SLI? One works fine, and i got a pcie 1x add on card from work today, and windows sees it fine so it seems the slot works. It's just windows never sees the video card. I"ve tried reseating the cards a dozen times, swapping them around. Everything i could think of and windows never sees the second one. Does anybody know of anything with these cards? I looked on the list of cards on the MSI site and noticed the original gtx 260/280 were not on the list for this board. I plan to upgrade big time this fall with new amd/nvida releases so this was going to just tied me over. I guess i can live with a single gtx280...but eh frown.gif
post #533 of 696
Quote:
Originally Posted by zoenphlux View Post

I recently got my hands on a z77a GD65 on ebay for 80 bucks. The condition was unknown other then a psu tested on it. The guy didn't have a chip. Anyway, he offered a refund if it didnt work so i tried and so far its been flawless. I have an i5 3570k @ 4.5ghz w/ 1.26vcore. I love my new build. However I also got my hands on my friends 3 GTX 280s. I found out the third slot only runs PCIe3.0 so can't run 3 of those. As of right now though, i can't even run two. Does anybody know if these cards are not compatible for SLI? One works fine, and i got a pcie 1x add on card from work today, and windows sees it fine so it seems the slot works. It's just windows never sees the video card. I"ve tried reseating the cards a dozen times, swapping them around. Everything i could think of and windows never sees the second one. Does anybody know of anything with these cards? I looked on the list of cards on the MSI site and noticed the original gtx 260/280 were not on the list for this board. I plan to upgrade big time this fall with new amd/nvida releases so this was going to just tied me over. I guess i can live with a single gtx280...but eh frown.gif

According to the MSI website and the nVidia SLi website you should be able to SLi all three cards on that board. What GTX 280's are they? Might be an idea to update the BIOS for the board, BIOS 10.8 is supposed to update PCI-E card compatibility. All the compatibility list on MSI's site really means is "these are the cards we tested on the board and they worked". Also look on the forums, someone else is sure to have had a similar problem.
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post #534 of 696
Well since my 1x pcie add on card worked in the bottom two x16 slots, i went back last night and tried the cards again. I added one to the bottom slot first and boom! windows saw them. So i shutdown and put the third card into the second slot and it worked as well....i guess adding one at a time in this order made the board happy? I don't know, but it worked. The problem I have now is 1) Sli isn't coming up as an option....possible driver issue even though I've re installed a few times and changed drivers too. And 2) I had to unplug the front panel usb/power/reset connectors for the bottom card to seat properly. Anybody else have this issue? I am relieved to know the board doesnt have to be RMA'd. MSI support has been more then useless.
post #535 of 696
Glad you at least making progress. Maybe try different SLi bridges? Still don't know what model GTX 260's they are. Maybe those model cards have an issue with SLi? Some manufacturers cheap out on their cards remove certain standard features. When you say you had to remove the front panel headers for them to work do you mean it wouldn't boot or the card wouldn't fit otherwise?
This is one of the reasons I don't like buying 2nd hand components. You have no idea what the history of it is.
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post #536 of 696
I have read that i need a 3 way sli bridge, or a combination. I have two 2 way sli bridges, but it seems i need a third. I have a 3 way sli bridge i was given with the cards, but the cards are not spaced evenly so it will not work.
post #537 of 696
Just checked the SLi site again. I must have misread earlier as the board only supports 2 way SLi. I guess that explains why they only include a regular SLi connector with it. I guess you could use the other card for physx?
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post #538 of 696
Well, that would explain why it was designed this way. In my reading i know i saw somewhere you can add a third card. I found it on Tom's

"The Z77A-GD65's most surprising feature, perhaps, is a pair of tiny two-lane PCIe 3.0 switches between its second x16-length slot and its clock battery. While all of today’s boards automatically switch from single-slot x16 to dual-slot x8/x8 modes for CrossFire and SLI, the Z77A-GD65 can further switch to x8/x4/x4 transfers for three-way graphics arrays. This causes quite a bit of commotion amongst some of MSI’s competitors, but keep in mind that third-gen PCIe x4 slots offers the same bandwidth as second-gen PCIe x8 slots. That should be enough for three-way CrossFire, so long as your hardware (CPU and GPUs) are PCIe 3.0-compliant."

And a few paragraphs down..

"We doubt that MSI could ever get an official thumbs-up from Nvidia for its x8/x4/x4 design, so the inclusion of a two-way SLI bridge is acceptable. Three-way CrossFireX is possible using the bridges included with two of the cards, and MSI’s inclusion of four SATA cables is adequate, if not generous."

So i will have to go with AMD if i want 3 way. I see you dont need to connect all cards together for it to work like you do with SLI. I am really wanting the CUDA option though in case I get heavier into things like audio/video rendering, Photoshop, and the like. I guess I will live with just two cards for now so i can have my front panel back without modifying the connectors.
post #539 of 696
Honestly unless you using multiple monitors in a ultra high resolution setup 2 cards should be ample. I only have a HD 7850 and it runs everything I've tried at high/ultra settings fine. But then I'm only gaming on one monitor for now.
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Intel i5 3750k MSI Z77A-G43 Saphire Radeon HD 7850 2GB OC Crucial Ballistix S XT DDR3 1866 
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Crucial M500 Seagate 500Gb SATA Seagate Expansion External USB3 LG 
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post #540 of 696
Eyefinity/nvidia surround is my goal within the next six months. I know i can get away with just two cards, and upgrade a little sooner then planned if needed. I just wanted three cards lol. 3 way doesn't seem to offer as much performance increases except on a few games. My goal was to make this a 5 year machine. Unless i find a steal on ebay I dont think two dual GPU cards are worth the money at all, especially since the 4th is never used beyond synthetic. I could get two Nvidia dual gpu cards and make the fourth gpu the phyxs processor. lol biggrin.gif

I'm really bummed to have made it this far, and finally get the cards to worki n windows just to find out it more then likely will not work. I would need to try to find a long enough bridge, and even then there is no guarantee it will even work. I found this, but i'm not sure if the spacing maches.

http://www.ebay.com/itm/ASROCK-SLI-2S1S-3-Way-SLI-Bridge-/121068568629?pt=LH_DefaultDomain_0&hash=item1c303fc035

If it doesn't match, or even work i'm out 11$ frown.gif Stupid curiosity. >:|
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