Blacklablelive

I'm trying to get my 2 asus 1080 ti turbos to work on my mobo. I'm rocking a asus maximus x formula. My processor is a intel 8700k. Now if asked around for help but havant got far. I'm having trouble getting my mobo to boot up with both gpus installed. When I try to boot up with both. I get a post code of 30. Aka system walking up from s3. Something like that. I get no display to my monitor. Can't get to bios nor boot to windows. Iv tested both cards on other mobos one at a time. Work. So cards arnt bad. My power supply is a evga 1600 supernova. Plenty of power. My mobo calls for 2 gpus on lane 1 and 2.But I get the problem mentioned on these. Lane 3 being the pcie x4. Lane 1 x16. Lane 2 x8. Now if I use lane 1 and 3. It will boot. But the second gpu is useless due to it being in x4 slot. I can't even boot one card on second lane. Am I doing something wrong. Iv tried this on multiple maximus x boards. Yet second slot always seem to be the problem. I find it hard to believe all my boards have dead pcie 2 slots.

Can I even run 2 1080ti on these mobos

Yeah. Slot 1 and 2. But anything in slot 2 will not post nor get to bios. This is on all my asus maximus boards

Iv recently got my hands on a second 1080ti. Hipeing to run SLI. Both cards are same. Tested and both work. My problem comes when. I try to boot my system with both installed. I first installed them into my asus maximus x hero. When I go to boot up. I get no display and a post code of 30. Now the screen will recognize but it's always black and then screen goes to sleep. Ow on my mobo i know the 1st pcie slot is x16. 2nd is x8. And 3rd x4. If i plug my second card into the 2nd slot. The problem accurs. Now if i plug into the 3rd i can boot but not enable SLI do to mobo set up. I also found even one card in 2nd slot and other slots free. No boot post code 30. Had me thinking my mobo was bad. I got a new mobo yesterday. Asus maximus x formula. And all the problems I had with 1st board are same on this one. Am I doing something wrong. Both cards tested and work alone and together in none sli slots. My psu is evga 1600 supernova. I have 32 GB ram. And run a 8700k. Any help will be appreciated.

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Iv also found nothing for the pcie slot in bios. just for slot 3 to go from x2 to x4

I'm on a asus maximus x formula comeing from a asus maximus x hero. Both have the same problem. One card at a time works. But if both installed I get no display and post code 30. My psu is a evga 1600 supernova. If I place cards in slot 1 x16 and slot 3 x4 it will boot. But no sli or linking cards. But if I do slot 1 and slot 2 x8. Wont boot nor display at all. Even one card alone in slot 2 will not boot. Iv bought the second board yesterday. Asus maximus x formula thinking it was my slot on the 1st board. But now both boards don't work in slot 2 and give code 30

I recently bought a second 1080ti and a new mobo. Asus maximus x formula. Whenever I install the second card. My pc turn on. No display and get a post code 30 or sometime 44. When I uninstall it. It boot fine. Iv tested both cards by them self's. Boot to windows fine. But when I try a run both. I get a computer with no display. Pumps and fans turn on. But stuck with post code 30 and black screen. Iv also tried it on another mobo. Maximus x hero. Same thing. 64 bit Psu evga 1600 8700k Asus 1080ti turbo x2 Mobo asus maximus x formula