Groovu Posted May 31, 2016 Share Posted May 31, 2016 I have a T420 (i5-2540m) without dGPU hooked up to a GTX 950 with PE4C v3. Everything is working currently, but the results seem lackluster. My Firestrike score is 4229. Looking at other systems using the same CPU, the highest I have seen is 6000~. GPU-Z reports that my system supports PCI-E x16 v2, but is currently running PCI-E x16 v1.1. I have checked my BIOS and the only PCI-E option I can see is: use "Gen 1" or "Automatic" detection, no Gen 2 option specifically. Will I have to use DIY eGPU Setup to enable x1.2 speeds or is there a way to force it to happen? Link to comment Share on other sites More sharing options...
Another Tech Inferno Fan Posted June 1, 2016 Share Posted June 1, 2016 (edited) You have to make the GPU do something in order to make it run at x1 gen2 speeds. In GPU-Z there is a question-mark next to the bus speed indicator. Click it and it will give you a menu to run a short render test. This will make the GPU "wake up" and run at x1.2. The "automatic" option in BIOS basically means "Gen2 if available, otherwise gen1". Edited June 1, 2016 by Arbystrider Link to comment Share on other sites More sharing options...
Groovu Posted June 1, 2016 Author Share Posted June 1, 2016 I forgot to mention that I ran GPU-Z and started the render test, it read x1.1. An interesting thing I noticed: rebooting my system and checking GPU-Z, the connection reads x1.2. But as soon as I start the render test, it drops down to x1.1. I also ran Firestrike while it was in x1.2 off a fresh reboot, and my Firestrike score was similar to before. So it's capable of x1.2, detects x1.2, but drops to x1.1 while in use. I do not understand why it would drop to a lower speed. Link to comment Share on other sites More sharing options...
Another Tech Inferno Fan Posted June 1, 2016 Share Posted June 1, 2016 Is the card running at full clock speed under load? Link to comment Share on other sites More sharing options...
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