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MetaBaron

Can't seem to fix error 43 (X220 / Exp GDC / GTX680 / Win10)

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Hi All,


I'm trying to setup a eGPU rig -  but no matter what I do I seem to be running into the infamous error code 43.

 

My setup:

 

  • Thinkpad X220 i5 2.5GHz, 16GB ram (2x8GB @ 1600)
  • Modified 1.43 Bios
  • EXP GDC V8.4D PCI-express
  • Sparkle NVIDIA GeForce GTX680
  • Dell DA-2 power supply

 

Seemed like a common setup from what I could read before attempting the build, so I wasn't expecting any specific troubles. How wrong I was...

Steps I followed:

  • Connect GPU and power plug into GDC, plug express card in laptop while power off
  • Power on the laptop, GDC starts fine, generic VGA adapter is detected
  • Install nvidia drivers, reboot
  • Card shows up, but with error code 43

 

Sometimes I'd get a blue / black screen of death, and changing the PTD switch to 14s would fix this, but error 43 would still be present. In both cases, hot-plugging the card would work fine - it gets detected in the device manager, but the error would be still there.

 

I had a few times where I got error 12 instead, so I went to the BIOS and changed the TOLUD to 3GB as suggested in some online discussions. That fixed error 12 but would just show error 43 again after reboot.

 

I read it might be a driver issue (although people said it should happen only with the new 10xx series of cards), so  I tried several versions of the drivers: latest, 375.64, 372.70, 372.54, but with no luck.

 

Here's a list of other stuff I tried by reading about other people's successful setups / troubleshooting experiences and looking for error 43 related threads:

  • Setting PCIe Power Management off / on in the bios
  • Setting PCIe speed to gen1 manually
  • Enabling / disabling hotplugging for the pcie interface the card is installed in

 

But still no luck. Going crazy over this. Has anyone been in a similar position and can offer me advice? Thanks!

Edited by MetaBaron

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