Haswell (1150) MB - parallel use of integrated graphics and PCIe graphic card

naosuflyor · Mar 18, 2014

Hello everyone,

I am looking for a Socket 1150 motherboard which supports parallel use of the integrated CPU graphics (the CPU is a i5-4670) and graphics from a PCIe graphic card. I want to be able to use one monitor with the integrated graphics, and another with the PCIe graphic card (the reason is multiseat). I googled and people say that most motherboards don't support such behavior. Does anybody knows a Socket 1150 MB which supports this.

Thanks in advance for your infos.

James Mason · Mar 18, 2014

Most graphics cards support more than one monitor anyways, so why do you want to run one off the motherboard and one off the gpu?

naosuflyor · Mar 18, 2014

James Mason :

I need it for multiseat, (https://wiki.archlinux.org/index.php/xorg_multiseat). I dont want to use a single one ( because it has limitations), and i am looking for a way not to buy two graphic cards if I can use the integrated one.

James Mason · Mar 18, 2014

I think all intel boards should be able to, after inferring that from reading through this thread: https://communities.intel.com/message/197087 (it's not in the selected answer)

Everything I'm reading up on about multiseat is old as hell, and they don't mention motherboards being in the equation at all, just some old AMD graphics cards.

And they mention using two graphics cards.

giovase · Mar 18, 2014

I can confirm you that Asus Z87-PRO is capable of running both the discrete GPU and the integrated graphic card in oaraklel, as I used it to run my monitor via HDMI on a gtx650 and to feed my home theatre via HDMI from the iGPU - motherboard. To have the integrated card enabled even if you have a discrete one, it's a aetting in BIOS and that's it.

G

naosuflyor · Mar 19, 2014

giovase :

Thanks for the infos.

The Asus Z87-PRO costs a little bit too much for my situation. I was thinking about a MB in the 70-80€ rang. In germany the Asus Z87-PRO costs 150€, for that money I could buy two GPU cards.

giovase · Mar 19, 2014

You can try the much cheaper Asus B85M-G which is a Micro ATX MB with HDMI and DVI-D outputs.
On Amazon Germany it should cost € 66 including shipping.

Asus BIOS should support the iGPU together with the discrete GPU, but I cannot confirm it for sure as I never tested it.
The user manual on Asus website seems yo imply it should work, see it on
http://dlcdnet.asus.com/pub/ASUS/mb/LGA1150/B85M-G/E8146_B85M-G.pdf
But I would ask directly Asus to confirm it.

Have also a look at www.pcpartpicker.com which helps you select compatible components to what you have or to what you have in mind to buy.

Let us know
G

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Haswell (1150) MB - parallel use of integrated graphics and PCIe graphic card

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