Topic: Dummy Plugs/ Multiple GPUs - page 3. (Read 30570 times)
I had the same issue but didn't need to do anything in hardware, only software. Not sure if this applies to your setup but it did work for mine (2x5770s) so you may have some luck. I went into the monitor configuration (screen resolution in Windows 7) and enabled my desktop to extend to the display showing from the second card. Nothing is plugged into the card but it did enable it, I set it to 800x600 and moved it to the upper right corner so I don't move into it by accident often.
Would sticking a DVI cable to the monitor in the 2nd GPU, and sticking an HDMI cable to the same monitor in the 3rd GPU work the same?
Yes it would, and I have done that in the past.
I now use a KVM.
If you happen to have enough monitors in your place, you could temporarily attach them to the GPUs prior to start up. Once you are in windows, you can then remove all the monitors you don't want to use on that system and put them back where they came from (wife's PC, Kid's PC, etc). Now windows will see all your GUPs even though they have nothing plugged into them
KVM ftw... 1 monitor, 1 keyboard, 6 GPUs
I'm mining with on Windows my two 5850's and didn't ever thought about need to use the dummy plugs, it isn't needed!
You just need to disable ULPS - this mechanism disables the second card without monitor/workload. Here's how to do it:
You just need to disable ULPS - this mechanism disables the second card without monitor/workload. Here's how to do it:
Quote
Go to registry and disable Ulps:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Cl ass\{4D36E968-E325-11CE-BFC1-08002BE10318}]
and change "EnableUlps" to 0 under the 0000 and 0001 or 0003 keys.
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contro l\Cl ass\{4D36E968-E325-11CE-BFC1-08002BE10318}]
and change "EnableUlps" to 0 under the 0000 and 0001 or 0003 keys.
Would sticking a DVI cable to the monitor in the 2nd GPU, and sticking an HDMI cable to the same monitor in the 3rd GPU work the same?
I don't really understand this totally. Any GPU I plug in for mining other than the one attached to the primary monitor will remain unavailable for mining in windows? If this is so, does cycling the monitor through the GPUs activate them for mining? These steps would work?
1. Install 3 GPUS
2. Start mining on 1st GPU.
3. Switch monitor to 2nd GPU, start mining.
4. Switch monitor to 3rd GPU, start mining.
This would allow me to run all 3 GPUs without a dummy plug in 2 of them, right?
1. Install 3 GPUS
2. Start mining on 1st GPU.
3. Switch monitor to 2nd GPU, start mining.
4. Switch monitor to 3rd GPU, start mining.
This would allow me to run all 3 GPUs without a dummy plug in 2 of them, right?
For Windows, yes, but every time something hiccups you have to do it all again. Just sticking a single resistor into the HDMI socket does make it a lot easier.
I don't really understand this totally. Any GPU I plug in for mining other than the one attached to the primary monitor will remain unavailable for mining in windows? If this is so, does cycling the monitor through the GPUs activate them for mining? These steps would work?
1. Install 3 GPUS
2. Start mining on 1st GPU.
3. Switch monitor to 2nd GPU, start mining.
4. Switch monitor to 3rd GPU, start mining.
This would allow me to run all 3 GPUs without a dummy plug in 2 of them, right?
1. Install 3 GPUS
2. Start mining on 1st GPU.
3. Switch monitor to 2nd GPU, start mining.
4. Switch monitor to 3rd GPU, start mining.
This would allow me to run all 3 GPUs without a dummy plug in 2 of them, right?
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