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Weird SLI setup Help - Page 4

post #31 of 129
Thread Starter 
Quote:
Originally Posted by Darylrese View Post

This might be useful....

http://www.overclock.net/t/764214/resolved-no-option-to-enable-sli-in-nvidia-control-panel

1. Disable GTX 670 in device manager and reboot.
2. System recognizes SLI capability - set and reboot.
3. Re-enable GTX 670 and reboot

Well I disabled it & reboot computer
Next Nothing Happend lol
3rd Enabled GPU 2 & flashed black screen then showed screen again Still no Enable anywhere lol
post #32 of 129
Quote:
Originally Posted by NightHawk06 View Post

...no where to Enable SLI

doh.gif Dude, someone from the 3rd post was trying to tell you that you can't run SLI using 2 cards with different memory sizes. This is true. I've tried this before back in the days & I have not seen any hack to make this work.
Quote:
When I configure two graphics cards in SLI mode, do the graphics cards work together to create double the memory size?
No. In SLI mode, each graphics card uses its own frame buffer memory to render a 3D application. The operating system will report a graphics card frame buffer memory size that is found on a single graphics board.

Nvidia clearly explains this whistle.gif ...Click on this link & read it...It's in there. SOURCE
Edited by drBlahMan - 4/27/13 at 6:07am
post #33 of 129
Thread Starter 
Quote:
Originally Posted by Darylrese View Post

OK so your motherboard is detecting two cards which is a start! The problem has got to be driver related or SLI Bridge related.

oh ya even when its showing they both are working it has to be one of these problems?? I mean I have tried 3 different bridges lol they are Brand new in Package never been open since today bought MOBO last month there!!
post #34 of 129
Thread Starter 
Quote:
Originally Posted by drBlahMan View Post

doh.gif Dude, someone from the 3rd post was trying to tell you that you can't run SLI using 2 cards with different memory sizes. This is true. I've tried this before back in the days & I have not seen any hack to make this work.
Nvidia clearly explains this whistle.gif ...Click on this link & read it...It's in there. SOURCE

oh ya well a Couple of people been telling me it would RUn at 2gb instead of 4gb I'm happy with that lol & I just dont know what else to do lol
post #35 of 129
Nvidia does not allow you to sli GTX670's of different memory sizes. Sad but it is true.
If you wanna SLI your going to need to use the SLI hack, I have seen other threads where it works fine when forcing it.
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post #36 of 129
Quote:
Originally Posted by NightHawk06 View Post

oh ya well a Couple of people been telling me it would RUn at 2gb instead of 4gb

If these people did not provide you the proof to do so, you shouldn't be so quick to believe everything you hear teaching.gif

Quote:
Originally Posted by DzillaXx View Post

Nvidia does not allow you to sli GTX670's of different memory sizes. Sad but it is true.
If you wanna SLI your going to need to use the SLI hack, I have seen other threads where it works fine when forcing it.

Please provide the link to this miracle...The OP is running his head into a brick wall trying to get this to work lachen.gif
Edited by drBlahMan - 4/27/13 at 6:13am
post #37 of 129
Thread Starter 
Quote:
Originally Posted by drBlahMan View Post

Please provide the link to this miracle...The OP is running his head into a brick wall trying to get this to work lachen.gif

lol w/e you say Mate!! If someone told me I could run this 4gb with 2gb SLI and they also said it would only be 2gb instead of 4gb........... What couple people been saying on the GTX 670 Overclocking Forum Modded Bios Thread!!! Guy name General123 & Few others!!
post #38 of 129
This is on the NVidia website...my bad

Can I mix and match graphics cards with different sizes of memory?

When purchasing a second graphics card, you should try to match the memory size so that you are ensured full value and performance from your purchase. However, while it is not recommended, NVIDIA does offer the flexibility to run graphics cards with different sized memory by using CoolBits. Using CoolBits (value set to 18), you can force both of the cards to use the lower of the two memory sizes and operate them together in SLI mode. When dissimilar memory sizes are enabled to work together using CoolBits, the effective memory size for each card becomes the smaller of the memory sizes.

CoolBits:

http://www.softpedia.com/get/Tweak/Video-Tweak/GeForce-Overclocking-CoolBits-Reg.shtml
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post #39 of 129
Thread Starter 
So If I cant run this like you're saying you done this before with your Cards or W/e then Why other people telling me you can lol but idk Reason why I come & get help on this Thread!! So if this is not gonna Work def gonna get that other Gtx 670 ftw 2gb for $230 bucks
post #40 of 129
Quote:
Originally Posted by NightHawk06 View Post

Guy name General123 & Few others!!

So pm him & ask him how to do it...Apparently he did not show you or did he? headscratch.gif
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