My controllers are currently with firmware version 4.0.1.5.0.2īut I would like to update it for version 4.0.2.1.0.3Īnyway as you can see in the picture above my bus addresses are 0x 08 and 0x 09 Here you can see my command prompt with all information: The only thing I found so far was the firmware version and their addresses, with this commands:Ĭ:\uPD720200_uPD720200A_FW_Updater\W200FW35.exe /srom ?Ĭ:\uPD720200_uPD720200A_FW_Updater\W200FW35.exe /srom 4 I tried to follow this guides but without success, I don't know messing with the command prompt, Nothing, same error.Īfter some research I discovered that someone placed here a solution and I also found another here So I have a Maximus IV Extreme Z and this Mobo has two usb 3.0 controllers (µPD720200A)Īnd I would like to update the firmware of both, but the firmware updater says: "Plural host controller detected"ġ- Disabled USB3 controller from BIOS (it disables both),Ģ- Disabled one controller from Device Management in Windows 7 圆4 and the PCI-TO-PCI bridge where it's attached. I decided create this thread with hope someone can help me.
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