Note: This release also contains drivers for the Surface 3 but as I don't have that hardware yet I cannot test/verify.
About the drivers
Here's a breakdown of what those drivers are, the README below describes the versions of the components found in the Surface Pro 3 cumulative firmware and driver update package, released in May 2015.
EC 126.96.36.199 ECFirmware.inf
SAM 3.9.350.0 SamFirmware.inf
TOUCH 4188.8.131.52 TouchFirmware.inf
UEFI 3.11.760.0 UEFI.inf
Accessory SurfaceAccessoryDevice 2.0.1012.0 SurfaceAccessoryDevice.inf
Accessory SurfaceCoverAudio 2.0.722.0 SurfaceCoverAudio.inf
Accessory SurfaceCoverClick 2.0.375.0 SurfaceCoverClick.inf
Accessory SurfaceCoverTelemetry 2.0.722.0 SurfaceCoverTelemetry.inf
Accessory SurfaceTouchCover 2.0.722.0 SurfaceTouchCover.inf
Accessory SurfaceTouchCover2FwUpdate 2.0.722.0 SurfaceTouchCover2FwUpdate.inf
Accessory SurfaceTouchCoverFwUpdate 2.0.722.0 SurfaceTouchCoverFwUpdate.inf
Accessory SurfaceTypeCover 2.0.1193.0 SurfaceTypeCover.inf
Accessory SurfaceTypeCover2FwUpdate 2.0.722.0 SurfaceTypeCover2FwUpdate.inf
Accessory SurfaceTypeCoverFwUpdate 2.0.722.0 SurfaceTypeCoverFwUpdate.inf
Accessory SurfaceTypeCoverV3FwUpdate 2.0.1021.0 SurfaceTypeCoverV3FwUpdate.inf
Accessory SurfaceWirelessAdapter 184.108.40.206 SurfaceWirelessAdapter.inf
Audio DockingStationAudioDevice 220.127.116.11 msdokub.inf
Audio HdAudio 18.104.22.16898 HDXMSSDS1.inf
Camera LifeCam 5.20.1034.0 TrueColor.inf
Display DisplayAudio 6.16.00.3161 IntcDAud.inf
Display Graphics 10.18.14.4029 64dp4029.inf
Display SurfaceDisplayCalibration 2.0.1002.0 SurfaceDisplayCalibration.inf
Network Bluetooth 15.68.3073.151 mbtr8897w81x64.inf
Network SurfaceEthernetAdapter 8.10.0830.2013 msu64w8.inf
Network SurfaceGigabitEthernetAdapter 8.14.0704.2014 msu30x64w8.inf
Network WiFi 15.68.3073.151 mrvlpcie8897.inf
Pen SurfacePen 22.214.171.124 SurfacePen.inf
Pen SurfacePenSettingsDriver 126.96.36.199 SurfacePenDriver.inf
System CapacitiveHomeButton 2.0.1179.0 SurfaceCapacitiveHomeButton.inf
System CardReader 6.2.9200.30164 RtsUStor.inf
System GPIO 188.8.131.52 iaLPSS_GPIO.inf
System I2C 184.108.40.206 iaLPSS_I2C.inf
System LowPinCount 220.127.116.113 LxLpCore.inf
System ManagementEngine 18.104.22.1680 heci.inf
System SATA_AHCI 22.214.171.1243 LxLpAHCI.inf
System SMBus 126.96.36.1993 LxLpSMB.inf
System SurfaceIntegrationDriver 2.0.1182.0 SurfaceIntegrationDriver.inf
System SurfacePciController 2.0.1151.0 SurfacePciController.inf
Download the new PowerShell script
Below you can download the updated PowerShell script to download the new drivers.
Setup MDT 2013 for Microsoft Surface Pro 3 - May 2015.zip 6.33KB 208 downloads
Running the script
Run the PowerShell script in ISE as administrator on a Windows 2012R2 Server with an internet connection, after running it should look like so.
After running the script, the MDT Deployment Workbench will be fully populated with the May 2015 drivers for the Surface Pro 3, you can see there are updated UEFI firmware drivers, keyboard drivers and more and everything is automatically configured by the script so that you can start deploying Surface Pro 3's in your organization immediately.
For details about how the script works see this post.
After successful running the script, you can UEFI network boot a Surface Pro 3 to test the new drivers, below is what you'll see after UEFI network booting your Surface Pro 3.
continue through the lite touch wizard and you'll have your Surface Pro 3 deployed automatically in no time at all.
enjoy ! and spread the word !