I had a similar problem a while back ... the only way I got all cards back was to add them to the system ONE by ONE.
Yes, it takes ages, but connect card 1 ... start the system and check its recognised, if all OK, shutdown, add the second card and restart. Etc ... until hopefully all cards are back online.
EDIT: Make sure you are using the latest BIOS for the MOBO.
Topic: My Asrock H110 Pro BTC and H81 do not detect all of my GTX 1060S! (Read 307 times)
October 22, 2017, 04:26:40 PM
How are the cards powered? How many risers per power cable? Make sure that nothing burned due to overload. Best way is to check that no cable is burned.
October 22, 2017, 04:13:26 PM
You mentioned that you did not have this issue before. Is this a new rig or an update to your OS/BIOS?
October 22, 2017, 04:06:34 PM
didn't work.
still detecting only 1/6.
all my cards work on MB.
still detecting only 1/6.
all my cards work on MB.
October 22, 2017, 03:45:25 PM
switching to gen1/gen2 and going to test.. hopefully this works 
October 22, 2017, 12:00:47 PM
I would do the following:
1. Check each card individually and make sure it works properly (to be 100% sure put it into the MB Slot without the riser)
2. Make sure all relevant options in the BIOS are activated. I only have the H81 MB there you need to switch the PCI-E Link Speed to GEN1/GEN2
3. After confirming that all the cards work add one after the other to the Rig and confirm that everything is working fine. If the OS doesn't detect the card, can you at least see it in the device manager with an error code?
1. Check each card individually and make sure it works properly (to be 100% sure put it into the MB Slot without the riser)
2. Make sure all relevant options in the BIOS are activated. I only have the H81 MB there you need to switch the PCI-E Link Speed to GEN1/GEN2
3. After confirming that all the cards work add one after the other to the Rig and confirm that everything is working fine. If the OS doesn't detect the card, can you at least see it in the device manager with an error code?
October 22, 2017, 10:38:04 AM
Using updated ethos. Never had this problem before.
Running 2 GPUS max per SATA and power line. I have tried with two motherboards, I initially had a H81 setup for my six 1060's and it only ended up detecting 3/6 (that's after playing around, initially 2/6 for a long time )
Now after pulling out my secondary board, H110. I am receiving only 4/6.
Running 2 GPUS max per SATA and power line. I have tried with two motherboards, I initially had a H81 setup for my six 1060's and it only ended up detecting 3/6 (that's after playing around, initially 2/6 for a long time
)Now after pulling out my secondary board, H110. I am receiving only 4/6.
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