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Question about PCI-E lane switches

post #1 of 4
Thread Starter 
So boards are coming out with PCI-E lane switches to help diagnose what card in a SLI rig died or is having problems. This really helps with multiple cards with waterblocks all in a loop. I am just wondering why couldn't you just unplug the 6/8 pin connectors to disable the card? When the system is powered down of course. Does it hurt the card or is it just easier to flip the tiniest switch ever made for a human finger then pull a plug?
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post #2 of 4
You can run into a lot of issues leaving a card plugged in with no PCIE power as there is still power being supplied through the PCIE slot - using a switch as such cuts all power from the card.
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post #3 of 4
Agreed it's not a good idea, but probably nothing wrong will happen; it just won't boot at all. You should just remove it from the PCIe slot and remove the PCIe power cables. You can keep it in place with on some CD cases or something else solid non-metallic close to its running position; the only thing is that it shouldn't touch any metallic objects like the board or the PCIe motherboard slot.
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post #4 of 4
Thread Starter 
Quote:
Originally Posted by appleg33k85 View Post
You can run into a lot of issues leaving a card plugged in with no PCIE power as there is still power being supplied through the PCIE slot - using a switch as such cuts all power from the card.
Can you specify what kind of issues? I'm curious. Has anyone done this and had something go wrong?
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Gojira
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Mosura
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CoolingCoolingOSMonitor
Corsair ML120 Pro x3 Corsair ML140 Pro x1 Windows 10 Pro x64 3x ASUS VS248H-P 
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