PCI\VEN_8086&DEV_1BCD
USB controller driver
PCI\VEN_8086&DEV_1BCD is the Intel Corporation C740 Series (Emmitsburg) Chipsets USB 3.2 Gen 1 xHCI Controller, an USB controller device. Without the right controller driver, ports may stop working or devices may show as not recognized. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_1BCD |
|---|---|
| Device name | C740 Series (Emmitsburg) Chipsets USB 3.2 Gen 1 xHCI Controller |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | USB controller |
| Driver guide | Fix USB Controller driver |
| Known OEM variants | 1 |
PCs and boards that use this chip
Each line is a subsystem ID: the full hardware ID ends in SUBSYS_ plus these eight characters when the C740 Series (Emmitsburg) Chipsets USB 3.2 Gen 1 xHCI Controller is built into that maker's product.
| Full hardware ID ending | Maker | Product |
|---|---|---|
SUBSYS_00A51BD4 | IEIT SYSTEMS Co., Ltd | RS0800I5H16i |
If your SUBSYS matches a laptop or board maker in this list, that maker's support page has the version tested for your model.
How to install the driver for C740 Series (Emmitsburg) Chipsets USB 3.2 Gen 1 xHCI Controller
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_8086&DEV_1BCD. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Windows includes drivers for most USB controllers; updates may appear here.
- Check your PC maker. Enter your model or serial number on its support site and look under Chipset or USB.
- Use the chip maker's package. Intel Chipset INF Utility on intel.com. Our fix usb controller driver guide explains which package fits.
- Restart and check. Plug a USB device into each port and check that it is recognized.
Other Intel usb controller IDs
VEN_8086&DEV_15B5DSL6340 USB 3.1 ControllerVEN_8086&DEV_15B6DSL6540 USB 3.1 ControllerVEN_8086&DEV_18D0Atom Processor P5xxx Series USB xHCI ControllerVEN_8086&DEV_19D0Atom Processor C3000 Series USB 3.0 xHCI ControllerVEN_8086&DEV_1E317 Series/C210 Series Chipset Family USB xHCI Host ControllerVEN_8086&DEV_22B5Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series USB xHCI CoVEN_8086&DEV_2BB5Puma 7 xHCI ControllerVEN_8086&DEV_31A8Celeron/Pentium Silver Processor USB 3.0 xHCI Controller
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.