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PCIe Bifurcation Issue

BACKGROUND
1 SIGNALFIRST DETECTED 27 March 2026
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How the story developed
27 Mar
PCIe Bifurcation Issue
OPINION · WHAT · LocalLLaMA
3.3
Other feeds and industry voices
29 Mar
Need help with the logistics of two BIG 3090s in the same case.

<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1s748ho/need_help_with_the_logistics_of_two_big_3090s_in/"> <img alt="Need help with the logistics of two

OPINION · WHAT · LocalLLaMAOPEN STORY
15 Oct
Upgrade advice for 4th card

<!-- SC_OFF --><div class="md"><p>I have a 3rd gen Threadripper paired with this board, which annoyingly has only three PCIe slots.</p> <p><a

OPINION · HOW · LocalLLaMAOPEN STORY
7 May
9700 pro users, undervolting nets crazy clocks

<table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1t6d9la/9700_pro_users_undervolting_nets_crazy_clocks/"> <img alt="9700 pro users, undervolting nets crazy

OPINION · WHAT · LocalLLaMAOPEN STORY
8 Sept
Off the bus: It wasn't pcie / oculink... it was the PSU

<!-- SC_OFF --><div class="md"><p>For weeks I've had problems with GPU constantly disconnecting and locking the OS. It would load the model fine, then crash when I passed the

OPINION · WHEN · LocalLLaMAOPEN STORY
1 May
Whats the latest status on 7900xtx multi-GPU setups?

<!-- SC_OFF --><div class="md"><p>I am currently running dual RTX 5060 ti 16gb (both of which are easy to sell or re-use in other PCs at home) and monitoring the used market for

OPINION · WHAT · LocalLLaMAOPEN STORY
22 Mar
Attaching an extra GPU via pcie slot

<!-- SC_OFF --><div class="md"><p>Used to to do eth and other cryptomining where all attached GPUs with a 1x pcie cable, powered pcb adapter was sufficient as it was just data

OPINION · WHERE · LocalLLaMAOPEN STORY
1 May
Setting up bifurcation x16 to x4x4x4x4

<!-- SC_OFF --><div class="md"><p>i want to turn on gpu bifurcation, but as my CPU doesn't have integrated graphics i have to plug in one of my GPU, to access BIOS. </p> <p>can i

OPINION · WHAT · LocalLLaMAOPEN STORY
16 Apr
Anyone got a problem with PCIe speeds and AMD MI-50 ?

<!-- SC_OFF --><div class="md"><p>So I got an MI-50 that I use for my local inference but I recently discovered that it is connected with PCIe 3 speeds to my motherboard. Even

OPINION · HOW · LocalLLaMAOPEN STORY
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