Tech Inferno Fan

Experiment with chainloader settings (mode=MBR/bootmgr, remap=selected/inselected) until can get it to chainload to the Windows bootmenu upon which select Windows. The you too set your eGPU gear to run at Gen1 speed using the PCIe Ports->Gen1 Setup 1.30 menu. If using a EXP GDC then note it doesn't use a soldered cable like PE4C 3.0 does and is reknown for causing Gen2 instability as a result.

Set your eGPU gear to run at Gen1 speed using the PCIe Ports->Gen1 Setup 1.30 menu. EXP GDC doesn't use a soldered cable like PE4C 3.0 does and is reknown for causing Gen2 instability as a result.

A couple of points: 1. Your system unfortunately does not have a iGPU+dGPU switchable configuration. Instead you only have a dGPU. Hence you cannot disable the dGPU in Setup 1.30 because that's the GPU that your LCD is attached to. 2. You have an AMD dGPU and eGPU. This is causing a problem because you require a different AMD driver for either. Try disabling the AMD dGPU in device manager, removing it's driver and using 'ddu' software to switch off auto driver reinstall. Then download and install the desktop AMD driver for your eGPU. 3. This messy driver disabling could be alleviated if you had a NVidia eGPU instead using it's own unique driver without conflicting your dGPU.

Diag shows no eGPU. Refer to following for suggested procedures to get eGPU detected:

You may want to test the 75W bypass mod at https://www.techinferno.com/index.php?/forums/topic/5661-us189-akitio-thunder2-pcie-box-16gbps-tb2/&page=48#comment-115060 which if successful, would refute the AKiTiO engineer comments linked there (which were always suspect to me). I don't recall if other GTX750Ti owners without PCIe power plugs who experienced instability tried that or not.

Is your WWAN card in the 2570P whitelist athttps://www.techinferno.com/index.php?/forums/topic/1982-125-hp-elitebook-2570p-owners-lounge/&page=10#comment-60111 If not, consider getting one of those listed cards instead or wiring say your docking connector USB pins to your WLAN slot to gain an unwhitelisted port and use it there instead as done by @invait53 at https://www.techinferno.com/index.php?/forums/topic/1982-125-hp-elitebook-2570p-owners-lounge/&page=47#comment-132577

We've seen many GTX750Ti issues previously when the card had no PCIe power connector, as you have. Suggest changing the card out for one that does have 6pin PCIe power, eg: EVGA GTX750Ti FTW.

@beingben, @Chrishnaw pls review @igel's implementation at

To apply any of the PCIe changes made in Setup 1.30 requires that you perform Chainloading rather that a reboot. Proceed then to do this by: 1. Set Chainloader->mode=MBR. Confirm Chainloading to your Windows bootmenu, then into Windows works by doing Chainloader->Test Run. If not, alter the Chainloader settings until it does. 2. Perform your PCI compaction as outlined when highlight PCI Compaction->Run compact and hit F1 (help) 3. Test your PCI compaction by doing Chainloader->Test Run. If system fails to chainload or is unstable review the PCI compaction settings (highlight PCI Compaction->Run compact and hit F1 (help)) as well as (temporarily at least) set your eGPU port to Gen1 speed by selecting PCIe Ports->Gen1 until stability is reached.

@Creativie, would you mind doing 3dmark11 and 3dmark13 (Firestrike) runs using an external LCD and posting links to the results? Those would allow me to add you to the appropriate spot on the leaderboard.

@diegovb, would you mind doing 3dmark11 and 3dmark13 (Firestrike) runs using an external LCD and posting links to the results? Those would allow me to add you to the appropriate spot on the leaderboard.

1. Ensure the expresscard is enabled in BIOS. 2. Try hotplugging after boot and/or within Windows followed by a device manager rescan. Ensure the delay switches are turned off if trying this. 3. Try sleeping machine, attaching EC slot, then resuming machine followed by a device manager rescan. Ensure the delay switches are turned off if trying this. 4. Failing that, see if you have access to another expresscard equipped to test if it works. If not I'd suspect faulty eGPU adapter.

Use the expresscard slot with a BPlus PE4C 3.0 for the most fuss free x1 2.0 (4Gbps) eGPU solution.

Accelerated internal LCD mode similar to Optimus has recently been documented by @mrdatamx at

Ensure you disable the HD8690M in Device Manager and never allow it to load it's drivers. Remove any existing ones, then use DDU to clear registry entries and reload the iGPU and NVidia drivers. Otherwise the AMD drivers hooks into the iGPU preventing NVidia Optimus from working.

Your imac has no Intel iGPU, hence no NVidia Optimus. Quite rightly then your external LCD attached to your eGPU is working. You can drag a *windowed* app started on the eGPU attached LCD to your GT650M-attached internal LCD.

Is in the install instructions supplied titled How to do an uninterrupted Setup 1.30 [disk image] boot into Windows? that explains how to do this

With your existing mbr configuration, pls install Setup 1.20 and perform exact steps as given in w4vz's guide at https://www.techinferno.com/index.php?/forums/topic/6962-2012-15-macbook-pro-gtx97010gbps-tb1-akitio-thunder2-win10osx1011-w4vz/#comment-107769

The BSOD with EXP GDC is probably due to running the port at Gen2 speed when it's only a Gen1 capable adapter. Pls change ' call iport gen2 2 ' to ' call iport gen1 2 ' in your startup.bat to set the port at Gen1 speed and test further.

Setup 1.30 can set the eGPU to run at x1 2.0 speed on a 2nd-gen i-core system or newer. See https://www.techinferno.com/index.php?/forums/topic/1650-diy-egpu-setup-130-previously-setup-1x/

Pls review these threads to solve error 12: https://www.techinferno.com/index.php?/forums/topic/5874-guide-dsdt-override-to-fix-error-12/ https://www.techinferno.com/index.php?/forums/topic/1650-diy-egpu-setup-130-previously-setup-1x/

Sry.. won't work. http://www.bplus.com.tw/Adapter/PP1142.html provides USB-C and SATA to a desktop machine via it's pci-e slot. Either look at a TB3 or mPCIe/M.2 eGPU adapter/enclosure to connect via the TB3 port or wifi slot respectively.

Might be possible. Maybe have a go and report your results? I'd be inclined to try this instead: https://www.techinferno.com/index.php?/forums/topic/10212-us280-inxtron-thunderbolt-3-hdk/

It has been done by others on this board mostly before the affordable AKiTiO Thunder2 appeared. Though with your 16Gbps-TB2 capable machine, why would you go for 4Gbps-EC2 performance when you can get the full bandwidth for not that much more? Pls review https://www.techinferno.com/index.php?/forums/topic/6249-rip-off-alert-thunderbolt-vidockbizonbox-are-crippled-tb-to-ec-4gbps-units/

1. Extract archive to c:\eGPU 2. Run a DOS Prompt window (as admin) 3. Type "cd c:\eGPU" 4. Type "setup-disk-image" to run the installer. Note if any significant errors or warnings appear. 5. Reboot and check if the DIY eGPU Setup bootitem appears.