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VIA USB3 and textmode XP setup


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#26 cdob

cdob

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Posted 03 March 2016 - 07:40 PM

I've
USB3 card reader/USB3 port/standard SD card = drive letter

USB3 stick/USB3 port = no drive letter, not listed at diskpart.exe, a removable disk

I suspect USB2/USB3 mode. xhcdrv.inf contains a xhci parameter line.

hivesys.inf
HKLM,"SYSTEM\CurrentControlSet\Services\Wdf01000","ImagePath",0x0,"System32\Drivers\wdf01000.sys"

;xhcdrv.inf: 0: by port (usb2/3 port: usb2/3 hub port status), 1: xhci - default 1
HKLM,"SYSTEM\CurrentControlSet\Services\xhcdrv\Parameters", "RootPortStatusFormat",  0x00010001, 0
.
Now:
USB3 stick/USB3 port = drive letter

I suspect USB2 mode at first reboot now. PNP overwrites this settings later.




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