My south-bridge chipset heatsink is too tall?

ZeroMagnitude · Dec 28, 2015

I bought an Asus Maximus VIII Extreme and its south-bridge chipset heatsink seems normal height but when I tried to insert my GPU - which are two Asus 980 Ti STRIXs, one of them which does not come into contact with the chipset locked into the Q-slot, but the one which sits above the chipset refused to click into place. Why would Asus design a motherboard which isn't even compatible with their own products, or is mine just an anomaly?

Also, is there any news of anyone else having this similar issue with any other motherboard - where the south-bridge chipset heatsink is too tall for its own good?

Thanks.

clutchc · Dec 28, 2015

The 2nd card should go in the 3rd PCIe x16 slot, not the 2nd. The slots are not all the same. The -1 and -3 slots are the correct slots for dual cards. Look in your manual.

ZeroMagnitude · Dec 28, 2015

Yes, I am aware that the first card goes in the first (top) slot and the second goes in the third (middle-ish) slot. Additionally, only the first slot is PCIe x16, the rest are x8 for this motherboard. The problem I am having however is the fact that the height of the chipset heatsink (height in this case being the axis parallel to the direction of the pushing of the GPU into the slot) is too tall for any GPU, and stops it from fully going into the PCIe slot or clicking into the Q-slot.

clutchc · Dec 29, 2015

ZeroMagnitude :

Obviously, that shouldn't be. The heat sink design should allow a normal gfx card to pass over it. I suspect you may be doing something wrong. There are literally thousands of that board in service with every gfx card imaginable install in those PCIe x16 slots. No one to my knowledge has had this issue. If possible post a pic of the situation.

The only reason I can think of that the card would hit the heat sink, is if the heat sink was sitting too high... not secured properly to the board. Check behind the board and see if the push pin posts (if that's what was used) are properly thru and expanded behind the board.

holyprof · Jan 5, 2016

Judging from the images:

it should be a tight fit but not impossible. I wonder if the heatpipe at the bottom is what touches the chipset heatsink.

I have a motherboard with similar, albeit smaller heatsink and the GPU literally sits on top of it but didn't make the correct insertion impossible:

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My south-bridge chipset heatsink is too tall?

ZeroMagnitude

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ZeroMagnitude

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