PCI-E riser a must in mining?

dency45 · Feb 1, 2014

I am new to mining and running my rig for 2 days now. I saw some info on google about mining that many mining rigs are using a riser. Is it a must? My temp is around 72-75 and VRM max is around 80.

My Specs:
i5 4670k
CM hyper 212x
gigabyte z87x-ud3h
r9 290 tri x
psu seasonic m12ii
nzxt phantom 410

pauls3743 · Feb 1, 2014

I'm not an expert and don't mine myself but I'm assuming they use a riser to plug the mining card into a lower bandwidth socket (x1 or x4) as it doesn't need the bandwidth of a card running games and they don't have a spare x16 socket for it.

smeezekitty · Feb 1, 2014

You only need a riser if you are putting it in a x1 slot or if the motherboard won't accommodate that many cards that close together.

For a 1/2 GPU mining setup there is no reason to use a riser (infact you should avoid risers if you can)

dency45 · Feb 2, 2014

It said here that "Powered PCI-E risers cables are essential when building a Bitcoin or Litecoin mining rig so your motherboard does not get burnt out. Used by Bitcoin and Litecoin miners to rise the important graphics cards from their motherboard and space them out better for cooling and to enable more GPUs to be used."

Here is the link. https://bitcointalk.org/index.php?topic=395770.0

dency45 · Feb 2, 2014

I can't reply to that post. I am having account error so i posted in this forum. I mean why my motherboard burn out?

smeezekitty · Feb 2, 2014

A lot of coin miner people are not all that smart. That is all I can say

It will not burn out your motherboard. The only reason to use risers is if you are running a bunch of GPUs (>2-3)

dency45 · Feb 2, 2014

Thanks. Another question. If my monitor is switched off or not connected to the computer, turn off display and sleep settings to never in power options. Would my GPU idle? If it will be idle it will effect my mining.

smeezekitty · Feb 2, 2014

In my experience, the GPU cannot tell if a monitor is off or on. But if you disconnect it I am not sure.

GPU mining should prevent idling though.

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PCI-E riser a must in mining?

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