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UEFI Graphic cards setup

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I have 2 Asus R7-370's graphic cards (not attached at present) in addition to my onboard Intel graphics in my Asus Prime Z390-A setup.


When I install the 2 (likely cross-fired) R7 cards, how should I set the following UEFI parameters? (note, I've attached my Speccy text file)


Graphics Configuration

Allows you to select a primary display from CPU, PCIE and PCI graphical devices.


Primary Display [Auto]

Allows you to select the primary display from CPU, PCIE and PCI graphics devices.

Configuration options: [Auto] [CPU Graphics] [PCIE] [PCI]


iGPU Multi-Monitor [Disabled]

This item allows you to empower both integrated and discrete graphics devices for the

multi-monitor output. The CPU graphics shared system memory size is fixed at 64 MB.

Configuration options: [Disabled] [Enabled]


RC6(Render Standby) [Enabled]

Allows you to enable or disable render standby support. Configuration options:

[Disabled] [Enabled]


DVMT Pre-Allocated [64M]

Allows you to select the DVMT 5.0 pre-allocated (fixed) graphics memory size used by

the internal graphics device. Configuration options: [32M] [64M] [96M] [128M] [160M]

[192M] [224M] [256M] [288M] [320M] [352][384][416][448][480][512][1024]



Also, I have 2 displays.  Both are attached at present to the onboard graphics, one with a Displayport cable, the other with an HDMI cable.  Any suggestions as to the best way to set up this combination of equipment if and when I install the 2 graphic cards?



Attached File  ISAAC.txt   114.52KB   265 downloads



Extraneous background:  I've been having a hardware/software nightmare since early November.  I essentially rebuilt my entire setup, clean installed Win 10 4 times now, etc.,etc.  A week ago, everything was working very smoothly for 5 days when I tried installing the graphics cards.  I kept the output hooked to the onboard graphics, everything was fine.  When I switched the cables to the R7 cards and changed the UEFI settings, everything cratered, BSOD's, endless "Windows repairing" notes ..... Grrrrr!  I won't bore you further, but this is getting to my 76 yr old psyche.  


Thanks, Doug

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