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EVGA GE Force 640 issues on GA Z77X-UD5H

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Aug 27, 2012
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Motherboard
Gigabyte Z270X-UD5
CPU
7700k @ 4.2 ghz
Graphics
NVidia GeForce GTX 760 2GB
Mac
  1. iMac
EVGA GE Force 640 error

I'm having trouble getting my GE Force 640 in a GA Z77X-UD5H (bios f14) motherboard. Its listed in Hardware but the VRAM changes with each boot. Right now its listed at 8 mb's but it should be a 2gb. Youtube videos don't play correctly (though oddly the ads do). Also in display i only get one resolution option even if I force it to something higher like:
1680X1050x32
I've installed Cuda + GraphicsEnabler=0

If the GPU is working correctly must I set the resolution in chameleon.plist? I'm not sure what else to try. Any ideas? thanks!!


Here's my mulitbeast install. (audio works great):::
EasyBeast Install
System Utils
Kexts + Enablers
-Audio/Realtek ALC8xx/AppleHDA Rollback
-Audio/Realtek ALC8xx/Non-DSDT HDAEnabler/ALC898
-Audio/Realtek ALC8xx/Patched AppleHDA/ALC898
-Graphics/NVIDIA/10.7.2 + Combo Open CL
-Network/maolj's AtherosL1cEthernet
 

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Since last post I installed FakeSMC but my system crashed and so i rolled back changes:
FakeSMC
FakeSMC/NVidia Plugin

I also tried LuxMark and noticed that no OpenCL device is available, or in Cinebench only 2 not 4 cores are listed.

Help!:)
thanks!
 
I'm having trouble getting my GE Force 640 in a GA Z77X-UD5H (bios f14) motherboard. Its listed in Hardware but the VRAM changes with each boot. Right now its listed at 8 mb's but it should be a 2gb. Youtube videos don't play correctly (though oddly the ads do). Also in display i only get one resolution option even if I force it to something higher like:
1680X1050x32
I've installed Cuda + GraphicsEnabler=0

If the GPU is working correctly must I set the resolution in chameleon.plist? I'm not sure what else to try. Any ideas? thanks!!


Here's my mulitbeast install. (audio works great):::
EasyBeast Install
System Utils
Kexts + Enablers
-Audio/Realtek ALC8xx/AppleHDA Rollback
-Audio/Realtek ALC8xx/Non-DSDT HDAEnabler/ALC898
-Audio/Realtek ALC8xx/Patched AppleHDA/ALC898
-Graphics/NVIDIA/10.7.2 + Combo Open CL
-Network/maolj's AtherosL1cEthernet

-Graphics/NVIDIA/10.7.2 + Combo Open CL .....Why this?

Are you running Lion not ML?
 
I'm running Lion. I just did a re-install minus Graphics/NVIDIA/10.7.2 + Combo Open CL.
Still no luck. Do I need Cuda?? What else do i need from MultiBeast if anything?
thx!

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>EthernetBuiltIn</key>
<string>Yes</string>
<key>GraphicsEnabler</key>
<string>No</string>
<key>Kernel</key>
<string>mach_kernel</string>
<key>Kernel Flags</key>
<string>npci=0x3000 darkwake=0</string>
<key>Legacy Logo</key>
<string>Yes</string>
<key>Timeout</key>
<string>2</string>
<key>UseKernelCache</key>
<string>Yes</string>
</dict>
</plist>
 
I've removed my GPU and running native now. Videos on VLC still don't playback correctly and general graphics performance is sluggish just as before with the Ge Force 640.
Was I supposed to install a driver of some sort? I thought 640 would work out of the box...???
Any suggestions what i should try next?? Any help would be great!
thx!
 
Anybody help??

clean install with only recommended hardware but still no graphics, openGL supported or usb3. audio is good. Could I have a bad GPU??
 
You need Mountain Lion if you wanna use this card.
 
I'm building an editing system for Final Cut Pro 7 + Pro Tools so i'm hesitant go up to Mountain Lion.
What would be a ML + L compatible card??
Is this way usb3 isnt' working either or is that a sepparate issue.
Thanks!
 
I'm building an editing system for Final Cut Pro 7 + Pro Tools so i'm hesitant go up to Mountain Lion.
What would be a ML + L compatible card??
Is this way usb3 isnt' working either or is that a sepparate issue.
Thanks!

Support for USB 3.0 and the GT 640 come in Mountain Lion natively..... I cant comment on Lion as I dont use it anymore.....
 
Wow, i made the leap switched to ML and everything works perfectly! I wish i had figured that out sooner 40 hours earlier;.)
System is fast, and running great except for app store. Thanks!!
 
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