PCI\VEN_8086&DEV_9B33
Chipset driver
PCI\VEN_8086&DEV_9B33 is the Intel Corporation Comet Lake-S 6c Host Bridge/DRAM Controller, 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 intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_9B33 |
|---|---|
| Device name | Comet Lake-S 6c Host Bridge/DRAM Controller |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Chipset |
| Driver guide | Get the Intel chipset driver |
| Latest official package | Intel Chipset Device Software (SetupChipset.exe) 10.1.20658.8883, January 8, 2026 |
How to install the driver for Comet Lake-S 6c Host Bridge/DRAM 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_9B33. - 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. Intel Chipset Device Software (SetupChipset.exe) on intel.com. Our get the intel chipset driver guide explains which package fits.
- Restart and check. Device Manager should list it under System devices with its proper name.
Other Intel chipset IDs
VEN_8086&DEV_9A12Tiger Lake-UP4 4 cores Host Bridge/DRAM RegistersVEN_8086&DEV_9A14Tiger Lake-UP3/H35 4 cores Host Bridge/DRAM RegistersVEN_8086&DEV_9A26Tiger Lake-H 6 cores Host Bridge/DRAM RegistersVEN_8086&DEV_9A36Tiger Lake-H 8 cores Host Bridge/DRAM RegistersVEN_8086&DEV_9B4310th Gen Core Processor Host Bridge/DRAM RegistersVEN_8086&DEV_9B4410th Gen Core Processor Host Bridge/DRAM RegistersVEN_8086&DEV_9B5110th Gen Core Processor Host Bridge/DRAM RegistersVEN_8086&DEV_9B53Comet Lake-S 6c Host Bridge/DRAM Controller
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.