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01-09-2019 09:09 AM #1ROG Enthusiast Array walrbe PC Specs
walrbe PC Specs Motherboard Maximus XI Hero Processor i7-8700K Memory (part number) G Skill TridentZ RGB F4-3200C16-8GTZR Monitor Philips BDM3270 CPU Cooler DeepCool Castle 280 AIO Case Fractal Design R6 Power Supply Antec Gamer power 520W OS Windows 10Pro
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Device Manager PCI Device and SM Bus Controller no drivers? need suggestions
Does anyone have a suggestion on how to install or have system recognise these two devices
PCI Device and SM Bus Controller.
I have installed all relevant software from Asus, tried windows update but still devices show up as unknown.
My MB is the Maximus XI Hero. I'm using the onboard Graphics and don't have the PIC slots used at the moment. The only thing I can think of is some setting change in BIOS. Any suggestions would be helpful, thanks.
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02-10-2019 11:19 AM #2ROG Enthusiast Array m4x2012 PC Specs
m4x2012 PC Specs Laptop (Model) Surface Pro 4 Motherboard Maximus Hero XI Processor 9900k@5000 Memory (part number) G.Skill 16Gb 3200Mhz DDR4 Graphics Card #1 AORUS 1080Ti Xtreme 11Gb Monitor PG278Q Storage #1 970 EVO 256Gb Storage #2 850 PRO 512Gb CPU Cooler Noctua NH-D15 Case Carbide 400r Power Supply Corsair AX 750i Keyboard G110 Mouse Steelseries Rival 700 Headset Sennheiser G4m3 Mouse Pad QcK OS W10 64bit
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+1 for this request, bought a Hero 11 same issue.
Already upgrade all Intel drivers both from ASUS website then Intel one.
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02-12-2019 01:40 PM #3ROG Member Array
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I am also wondering this.
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02-13-2019 12:00 AM #4ROG Enthusiast Array
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Did you update to the lastest BIOS? I had these after I updated but when I went back from 805 to 702 on my M11E they disappeared.
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02-13-2019 10:21 AM #5ROG Member Array
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The mysterious case of the unidentified hardware that goes and comes as it pleases. One minute its soldered on the board next minute bios update.......its gone. Abracadabra presto change-o Figure someone at Asus could put this to rest if they took 5 min to reply.
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02-16-2019 03:54 PM #6ROG Guru: Orange Belt Array XYchromosone PC Specs
XYchromosone PC Specs Motherboard ASUS Maximux XI Extreme [BIOS 1602] Processor i9 9900KS Memory (part number) G.Skill Trident Z RGB CL17 3600MHz 32GB [4x8] Graphics Card #1 ASUS ROG Strix Gaming GTX 1080Ti 11GB Monitor AOC AGON AG271QG 27" 144Hz [165Hz OC] Storage #1 2 X Samsung 970 Pro NVMe 1TB M.2 SSD [DIMM.2_1+ DIMM.2_2] Storage #2 Samsung 850 Evo SSD 500GB SATA 3 CPU Cooler Thermaltake Floe Riing 360 Premium AIO Case Fractal Design Define R6 Black Power Supply Corsair AX1600i Keyboard RAZER Blackwidow X Tournament Chroma Mouse RAZER Lancehead [ambidextrous] Chroma Headset Sennheiser RS165 Wireless Headset/Speakers Sennheiser CX 100 inner ear headphones OS Windows 10 Pro x64 + Ubuntu Studio 20.04 Network Router ASUS DSL-AC68U
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have you run the chipset inf file often called intel chipset software for your motherboard?
https://dlcdnets.asus.com/pub/ASUS/m..._Interface.zip
that chipset file lets Windows recognize unknown hardware in System Devices and in most cases it fixes the issue you are having
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02-16-2019 09:46 PM #7ROG Member Array
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Fails to install ...
Originally Posted by XYchromosone
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02-17-2019 06:10 AM #8ROG Guru: Green Belt Array geneo PC Specs
geneo PC Specs Laptop (Model) 13" Macbook Pro M1 Motherboard ROG Maximus XIII Hero (WiFi) Processor i9-10900k 5.2 GHz AVX0 all core, 1.28v Memory (part number) 64 GB G.Skill TridentZ RGB 4200 @ CL18 Graphics Card #1 Asus ROG Strix 2070 Super A8G Sound Card On-board Monitor EIZO Coloredge CG2730 and Viewsonic QHD displays Storage #1 Hynix 2TB P43, WDC SN850 1TB, Samsung 980 1TB Storage #2 1TB 850 x 1 TB 860 EVO RAID0, 6 TB WDC Black, 6TB IronWolf Pro CPU Cooler EK-AIO 360 D-RGB w/Phanteks T30 -120 fans, 1 Noctua Chromax 140 case fan Case Fractal Design Meshify 2 dark tint Power Supply 750W Seasonic Prime Ultra Titanium Plus Keyboard Glorious GMMK TKL Mouse Logitech G305 Headset Bose QC15 Headset/Speakers Vanatoo T1, Klipsch R-12SWi Sub OS Windows 11 Pro X64, 22H2 Network Router Asus RT-AX82U + RT-AX86S mesh Accessory #1 Logitech c920e webcam Accessory #2 Sabrent DS-SC5B 5-Bay USB-C HDD docking station Accessory #3 xrite i1 Display monitor calibration 
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SMBUS doesn't have or need a driver. It must be the chipset inf is wrong. Find the latest chipset "drivers" and install them.
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02-18-2019 07:07 AM #9ROG Guru: White Belt Array kens30 PC Specs
kens30 PC Specs Motherboard Asus Maximus X Code Processor Core i7 8700K Memory (part number) G.Skill Trident Z RGB F4-3200C14D-32GTZR Graphics Card #1 ? RTX3080 Sound Card Sound Blaster Z Monitor Samsung 32inch 1080p Storage #1 Samsung 970 pro 500gb Storage #2 Samsung 970 evo plus 500gb 860 evo 500gb + WD 8tb CPU Cooler Corsair H110i gt Case Corsair Graphite 780T Power Supply Corsair AX860 Platinum Keyboard Corsair K70 RGB LUX Mouse Logitech G pro OS Windows 10 pro Accessory #1 Microsoft Xbox One Controller 
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Installing latest chipset drivers should fix the SM Bus Controller unknown device.
Also installing Intel Management Engine Interface driver should also fix the unknown PCI Device.
Make sure the downloaded drivers .zip package isn't blocked before extracting drivers and installing.
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02-20-2019 11:38 AM #10ROG Guru: Orange Belt Array XYchromosone PC Specs
XYchromosone PC Specs Motherboard ASUS Maximux XI Extreme [BIOS 1602] Processor i9 9900KS Memory (part number) G.Skill Trident Z RGB CL17 3600MHz 32GB [4x8] Graphics Card #1 ASUS ROG Strix Gaming GTX 1080Ti 11GB Monitor AOC AGON AG271QG 27" 144Hz [165Hz OC] Storage #1 2 X Samsung 970 Pro NVMe 1TB M.2 SSD [DIMM.2_1+ DIMM.2_2] Storage #2 Samsung 850 Evo SSD 500GB SATA 3 CPU Cooler Thermaltake Floe Riing 360 Premium AIO Case Fractal Design Define R6 Black Power Supply Corsair AX1600i Keyboard RAZER Blackwidow X Tournament Chroma Mouse RAZER Lancehead [ambidextrous] Chroma Headset Sennheiser RS165 Wireless Headset/Speakers Sennheiser CX 100 inner ear headphones OS Windows 10 Pro x64 + Ubuntu Studio 20.04 Network Router ASUS DSL-AC68U
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you could have better luck to force to install the inf files, which the file you download from ASUS actually installs so that all devices in Device Manager>System devices are recognized correctly by windows [it removes Unknown Device" in most situations]. Originally Posted by Sineira1
II recommend to download the chipset software files, from here:
https://dlcdnets.asus.com/pub/ASUS/m..._Interface.zip
Then unzip the file you downloaded "Intel_Management_Engine_Interface.zip" to a folder on your C drive that you create e.g., C:\inf
Once you unzip the files to that folder there will be a file called "AsusSetup.exe" among others. Next open the Run box by clicking the Windows key + R and type the following command:
C:\nf\AsusSetup.exe -overall
You can instead run the above "switch" command in a elevated Dos terminal.
If this does not work then I would download the latest Chipset software file from intel.com, and follow the above instructions on the file from intel. The reason i suggest this is because ASUS have altered the installation routine for the original file they get from intel, and might interfere with the -overall switch.
If you do decide to use the latest chipset software file from intel follow the above instructions and if you go the dos terminal rout, make sure to first change directory to where you unzipped the files e.g., at the dos prompt type [per my example]:
cd c:\infLast edited by XYchromosone; 02-21-2019 at 03:42 PM.
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