Windows 10: Intel Dual-Band 8260AC PCIe not found in Win10, found in Ubuntu

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  1.    02 Dec 2017 #11

    That's very weird. For some reason Windows isn't enumerating bus 4 where your WiFi card is. But there is one PCIe lane assigned to it so the card is being detected by the chipset.

    [0 - 28 - 6] 11 8086-A116-00000000-F1 PCI Bridge (0-4) x1@1 (x1@3)Intel Z170 Chipset PCIe Port #7

    Did you move the hard drive from the old mobo directly to the new one? Have you tried updating the Intel chipset drivers?

    In SIV can you click on the [0 - 28 -6] and copy+paste the contents? It should look like:

    Code:
    [0 - 28 - 2] <- [PCI Bus] <- SIV64X - System Information Viewer V5.25
    
    Intel Skylake-U/Y PCIe Port #3 - Vendor ID 8086-9D12-00000000-F1  size 1000  PCIe BAR 0000F0000000 (127)
    
    Device Class             0x060400       PCI Bridge
    Command                  0x0406         Memory Access  Bus Master
    Status                   0x0010         Fast Timing  Has Capabilities List
                                            
    Cache Line Size 0        0 ULONGs       Latency Timer 0 PCI clocks
    Header Type 0x81         Prof IF 0x00   Built-in Self Test 0x00
    Interrupt Line 255                      Interrupt Pin  0x03
    
    Primary Bus # 0          Control 0x00   Controls Enabled
    Secondary Bus # 2        Status 0x2000
    Subordinate Bus # 2      Latency 0      Address Ranges beyond Bridge
                             Memory         0xEC000000 to 0xEC0FFFFF  (32-bit)  1MB
      My ComputerSystem Spec


  2. Posts : 10
    Windows 10 64-bit / Ubuntu
    Thread Starter
       02 Dec 2017 #12

    I did move the SSDs and HDD directly over to the new MB and I updated all the drivers and the BIOS. Here are the results from SIV:
    Code:
    [0 - 28 - 6] <- [PCI Bus] <- SIV64X - System Information Viewer V5.25 BAMBAM10::benja
    
    
    Intel Z170 Chipset PCIe Port #7 - Vendor ID 8086-A116-00000000-F1  size 1000  PCIe BAR 0000E0000000 (255)
    
    
    Device Class             0x060400       PCI Bridge
    Command                  0x0406         Memory Access  Bus Master
    Status                   0x0010         Fast Timing  Has Capabilities List
                                            
    Cache Line Size 16       4 ULONGs       Latency Timer 0 PCI clocks
    Header Type 0x81         Prof IF 0x00   Built-in Self Test 0x00
    Interrupt Line 11                       Interrupt Pin  0x03
    
    
    Primary Bus # 0          Control 0x00   Controls Enabled
    Secondary Bus # 4        Status 0x2000
    Subordinate Bus # 4      Latency 0      Address Ranges beyond Bridge
                             Memory         0xDFC00000 to 0xDFCFFFFF  (32-bit)  1MB
    
    
    Capabilities 0x40
      PCI Express V2 Port 7  Device Type 4  Root Port of PCI Express Root Complex  Interrupt Message Number 0
        DCAP  0x44           0x00008001     Max Payload 256 (Supported)
        DCTL  0x48           0x0000         Max Payload 128  Max Read Request 128 (Current)
        LCTL  0x50           0x0040         Power Management Disabled
        LCAP  0x4C           0x07724013     Link Rate 8.0GT/s  Width x1  (Maximum)
        LSTS  0x52           0x5011         Link Rate 2.5GT/s  Width x1  (Negotiated)
        SCAP  0x54           0x0054B200     Slot 10 Power 10000 mW  Capabilities
    
    
      Message Interrupt      [_]Disabled    Message Address 00000000
    
    
      Subsystem IDs          SSID 0x7971    SSVID 0x1462
    
    
      Power Management       Current D0     D0 - Device fully-operational, no power saving
    
    
    [  OK ]  [ Copy]   [ First]  [ Prev]   [ This]  [ Next]   [ Last]   [Dump PCI]
      My ComputerSystem Spec

  3.    02 Dec 2017 #13

    Unfortunately I'm not seeing anything wrong. One more thing to check if you would indulge me:

    1. In SIV, click on [0 - 0 - 0] and look for "PCIE Express Address... PCIEXBAR." The address is usually 0xE0000000 or 0xF0000000.
    2. Download RWEverything (Download RWEverything) - you can get the portable version if you don't want to install it.
    3. In RWEverything click on Access->Memory. Click on Address and enter the address from #1 plus 0x400000. So if you get 0xE0000000 in step 1 then enter address 0xE0400000.
    4. Take a screenshot like:
    Click image for larger version. 

Name:	image.png 
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ID:	166500

    Then can you try going to Device Manager, right-click on System Devices->PCI Express Root Port #7, and hit Uninstall. Then hit Scan for Hardware Changes.
      My ComputerSystem Spec


  4. Posts : 10
    Windows 10 64-bit / Ubuntu
    Thread Starter
       02 Dec 2017 #14

    Sorry, my RWEverything looks a little different than yours, and I'm not sure what I'm doing with that. I got the latest version 1.7 I think.

    Edit: Never mind. I clicked on dword 32bit and now it looks like yours. So then I modify everything to match your screenshot?
    Click image for larger version. 

Name:	RWEverything.PNG 
Views:	8 
Size:	26.1 KB 
ID:	166509Click image for larger version. 

Name:	RWEverything2.PNG 
Views:	8 
Size:	9.5 KB 
ID:	166510
      My ComputerSystem Spec

  5.    02 Dec 2017 #15

    Thanks. At least that confirms that the card really isn't accessible and it's not just Windows ignoring it.

    Unfortunately I'm not familiar with how Windows handles PCI configuration so that's about the limit of what I can check. Are there other ports you can plug the card into? Do you see any errors in the Event Log? Otherwise I'd start playing with PCIe-related BIOS settings if reinstalling Windows isn't an option.
      My ComputerSystem Spec


  6. Posts : 10
    Windows 10 64-bit / Ubuntu
    Thread Starter
       04 Dec 2017 #16

    Hey so I was looking through the MB manual and saw this page detailing out lanes and bandwidth and stuff for the PCIe slots. I honestly don't know anything about this, but is there anything worth trying given what you see? Also, if it is a conflict like this with actual slots and lanes and such, what kind of magic is Ubuntu working to make it all run just fine?

    Click image for larger version. 

Name:	PCI_slots.PNG 
Views:	1 
Size:	123.3 KB 
ID:	166690

    For reference, wifi card in slot 1, graphics in slot 2, sound in PCI slot 2.
      My ComputerSystem Spec


 
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