PCI\VEN_1022&DEV_1123
Krackan/Krackan2 IOMMU driver
PCI\VEN_1022&DEV_1123 is the Advanced Micro Devices, Inc. [AMD] Krackan/Krackan2 IOMMU, a chipset device. It is a platform part of the chipset or processor. Windows usually works without its named driver, but the chipset package gives it the right name and power settings. Get it from Windows Update or your PC maker first; the chip maker's own package is on amd.com.
Device details
| Hardware ID | PCI\VEN_1022&DEV_1123 |
|---|---|
| Device name | Krackan/Krackan2 IOMMU |
| Maker | Advanced Micro Devices, Inc. [AMD] (PCI vendor ID 1022) |
| Device type | Chipset |
| Driver guide | Get the right AMD chipset driver |
| Latest official package | AMD Chipset Drivers (includes Ryzen Power Plans) 8.09.28.1124, October 21, 2026 |
How to install the driver for Krackan/Krackan2 IOMMU
- 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_1022&DEV_1123. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Chipset INF updates sometimes appear here.
- Check your PC maker. Enter your model or serial number on its support site and look under Chipset.
- Use the chip maker's package. AMD Chipset Drivers (includes Ryzen Power Plans) on amd.com. Our get the right amd chipset driver guide explains which package fits.
- Restart and check. Device Manager should list it under System devices with its proper name.
Other Advanced Micro Devices chipset IDs
VEN_1022&DEV_1113Krackan PCIe Dummy FunctionVEN_1022&DEV_1116Krackan PCIe Dummy FunctionVEN_1022&DEV_1117Krackan PCIe Dummy FunctionVEN_1022&DEV_1122Krackan/Krackan2 Root ComplexVEN_1022&DEV_1124Krackan/Krackan2 Dummy Host BridgeVEN_1022&DEV_1126Krackan/Krackan2 GPP BridgeVEN_1022&DEV_1130Krackan2 Internal PCIe GPP Bridge 0 to Bus AVEN_1022&DEV_1131Krackan2 Internal PCIe GPP Bridge 0 to Bus B
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.