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ePSXe fails to detect HD Radeon 8970m

post #1 of 3
Thread Starter 
I am using a Sager NP8295 with Windows 8 64bit, Intel Haswell 4700MQ, and an HD Radeon 8970m GPU.

I am using ePSXe 1.9 and Pete 2.9 Video Plugin.

The problem is that the ePSXe emulator is not detecting my dedicated GPU. It defaults to the Intel HD Graphics, and this is causing games to run very slowly when using max settings at 1080p. Sure, I can turn down the video settings to get 60fps and smooth gameplay, but I have a GPU that is OVERKILL for ePSXe and it is not even being used while ePSXe is running.

I can verify this two ways:

1) GPU-z shows no activity for my 8970m when ePSXe is running (and lagging)
2) ePSXe has a "select video device" dropdown menu that only contains the "Intel HD Graphics" option.

I realize that this is a rather obscure problem, any advice is appreciated. Even if its only related to 8970m and how it communicates through Intel HD Graphics.
post #2 of 3
Thread Starter 
Figured it out. I had to:

1) Right click on my desktop, choose "Configure Switchable Graphics"
2) Choose the "epsxe.exe" application
3) Set the performance profile to "High Performance"

The result is that it forces the application to use my dedicated GPU. The difference in performance is night and day.
post #3 of 3
I'm not terribly familiar with AMD's recent mobile GPUs, but if your system uses Enduro switchable graphics, I would see if there is an option in CCC somewhere to force the 8970m to be used for the ePSXe executable.
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CPUMotherboardGraphicsRAM
5820K @ 4.3GHz, 1.225v Gigabyte X99 SOC Champion (F4m) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-12-12-28-T1, 1.35v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
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Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 CM Storm Spawn Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 1600MT/s 7-8-8-19-T1,... 
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Prolimatech Genesis + 2x140mm Cougar 1200rpm Windows Server 2008 R2 Antec TP-750 Antec P182 
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ASUS Xonar DS 
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FX-9590 @ 5GHz, 1.55v ASUS Sabertooth 990FX R2.0 Reference NVIDIA GTX 780 2x8GiB G.Skill DDR3-1866 10-11-10-30-T1, 1.5v 
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