what if i have an old motherboard asus maximus formula v? T_T mine still 5 gpus. 1gpu undetected
I have an ASUS Maximus Formula V with 6 GPUs and it works with the above driver trick. You might need to look at your bios settings. If I remember correctly, I had to put Gen 2 on all three PCIE - and there is an option under those three PCIE's option that I can't quite remember what it was called. Something setup - I chose the first setup and gave it a try.
Its up and running and works great. So I know it's possible.
I already changed to Gen 2 for PCIEX16_1 and PCIEX_2
then the last one is Gen3 Preset which I changed to Preset 1. but still I don't get to detect the other gpu
Double checked my settings - and that's it. I have Gen 2, Gen 2, Gen 2 and then preset 1. You might double check your risers, power and or maybe even put it in a different slot. I do remember a slight delay when it recognized my card. I started it up, went to device manager and seen a line item that said unrecognized VGA device under something other than the display adapters. 2-3 minutes went by and then the screen flickered and it installed the driver and recognized all the cards.
You might also check your device manager to see if you see anything along those lines - unrecognized VGA device.
I'm assuming you have the most up to date bios too?
Windows 10?
what is your bios? also yeah im using windows 10.
mine only shows two PCIE that I can put Gen 2. then Preset1 that's it. also which slots did you used? did you use all 3 red pcie slots?
laat, did you install card 1 by 1 or altogether? just want to be sure that im doing correctly thanks
I'm using BIOS 1903
I'm not using all 3 red pcie slots. I'm using the first 6 from top to bottom.
I did initially only use the first 2 red pcie slots to make sure it recognized the cards. Once I realized it recognized the cards - then I put all of them in there. I never installed the drivers at this point. I wanted to make sure that the mobo and windows recognized them. At that time, it was only 5 cards, because I experienced the issue with other rigs. Then I installed the driver 17.4.4. Ran, but was unstable. Kept get GPU 1 hangs in open cl errors.
Then once the driver trick came out - I DDU the AMD driver. Restarted my computer. Did the driver trick and restarted with 5 cards. I first wanted to make sure it was stable with just the 5 cards, because of the error in claymore I kept getting. Then about an hour later when I realized it was stable, I shut it down and inserted the 6th card. Started it - opened up the device manager right away. Seen the incompatible VGA card message. Then waited about 2-4 minutes and the system caught it. It installed the driver and the sixth card showed up.
But at this point - I think you should see if your machine will at least see all six cards without the drivers. No one had a problem with their mobo/windows seeing all six or seven cards without the drivers. It was as soon as the driver was installed that it would not boot if you had more than 5 cards. If your machine sees the cards - then I think you'll have no problem making it work.
On my bios - it says this. PCIEx16_1 - Gen 2, PCIEx16_2 - gen 2, PCIEx16_3 - gen 2 (but also says "not used," because I have nothing in this slot). Then lastly it says Gen3 preset - preset 1. I'm pretty sure that the gen 3 doesn't do much, but for consistency that's what I have it on and mine is working.
CPU - just in case is I5-3570 Ivy Bridge.
Hopefully this info helps you, but if it doesn't feel free to ask more questions. I'll help anyway I can. I know it works. I'm not pulling your leg, promise - I think it's just a matter of fiddling with it.
thanks for all the info. mine doesn't have the PCIEx16_3. hmm? i need to recheck the bios if updated. Later i will put more time on it just to make sure there's no fault in all the risers and gpus. i'm also thinking that i don't have to use the 3rd red pcie slot. but I did. later i will reinstall 1 by 1 all the gpu to make sure everything is detected. to sort out whats wrong. thanks man!
i will update you once it works
btw, did you mod your bios for your 580s? also which brand you have? i got the XFX Black Edition GTS 8gb. left it mining eth then after an hour it freezes. im using now teamviewer so i cannot solve the problem.
i will visit my rig later XD
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