PCI\VEN_8086&DEV_A1B1
Thermal and platform driver
PCI\VEN_8086&DEV_A1B1 is the Intel Corporation C620 Series Chipset Family Thermal Subsystem, a thermal and platform device. It is a thermal or power management part. Without its driver the fan and performance profiles may not work as designed. 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_A1B1 |
|---|---|
| Device name | C620 Series Chipset Family Thermal Subsystem |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Thermal and platform |
| Driver guide | Signal Processing Controller |
| 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 C620 Series Chipset Family Thermal Subsystem is built into that maker's product.
| Full hardware ID ending | Maker | Product |
|---|---|---|
SUBSYS_095D15D9 | Super Micro Computer Inc | X11SPM-TF |
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 C620 Series Chipset Family Thermal Subsystem
- 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_A1B1. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Thermal framework drivers may be offered here.
- Check your PC maker. Enter your model or serial number on its support site and look under Chipset or Power Management.
- Use the chip maker's package. Intel: which Dynamic Tuning Technology / DPTF driver to install on intel.com. Our signal processing controller guide explains which package fits.
- Restart and check. Device Manager should show it without a yellow mark.
Other Intel thermal and platform IDs
VEN_8086&DEV_9CA4Wildcat Point-LP Thermal Management ControllerVEN_8086&DEV_9D31Sunrise Point-LP Thermal subsystemVEN_8086&DEV_9DF9Cannon Point-LP Thermal ControllerVEN_8086&DEV_A131100/C230 Series Chipset Family Thermal SubsystemVEN_8086&DEV_A231C620 Series Chipset Family (Super) Thermal SubsystemVEN_8086&DEV_A2B1200 Series/Z370 Chipset Family Thermal SubsystemVEN_8086&DEV_A379300/C240 Series Chipset Family Thermal SubsystemVEN_8086&DEV_A3B1B460/H410 Chipset Thermal Subsystem
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.